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+#!/usr/bin/perl
+
+# gitweb - simple web interface to track changes in git repositories
+#
+# (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
+# (C) 2005, Christian Gierke
+#
+# This program is licensed under the GPLv2
+
+use 5.008;
+use strict;
+use warnings;
+# handle ACL in file access tests
+use filetest 'access';
+use CGI qw(:standard :escapeHTML -nosticky);
+use CGI::Util qw(unescape);
+use CGI::Carp qw(fatalsToBrowser set_message);
+use Encode;
+use Fcntl ':mode';
+use File::Find qw();
+use File::Basename qw(basename);
+use Time::HiRes qw(gettimeofday tv_interval);
+use Digest::MD5 qw(md5_hex);
+
+binmode STDOUT, ':utf8';
+
+if (!defined($CGI::VERSION) || $CGI::VERSION < 4.08) {
+ eval 'sub CGI::multi_param { CGI::param(@_) }'
+}
+
+our $t0 = [ gettimeofday() ];
+our $number_of_git_cmds = 0;
+
+BEGIN {
+ CGI->compile() if $ENV{'MOD_PERL'};
+}
+
+our $version = "++GIT_VERSION++";
+
+our ($my_url, $my_uri, $base_url, $path_info, $home_link);
+sub evaluate_uri {
+ our $cgi;
+
+ our $my_url = $cgi->url();
+ our $my_uri = $cgi->url(-absolute => 1);
+
+ # Base URL for relative URLs in gitweb ($logo, $favicon, ...),
+ # needed and used only for URLs with nonempty PATH_INFO
+ our $base_url = $my_url;
+
+ # When the script is used as DirectoryIndex, the URL does not contain the name
+ # of the script file itself, and $cgi->url() fails to strip PATH_INFO, so we
+ # have to do it ourselves. We make $path_info global because it's also used
+ # later on.
+ #
+ # Another issue with the script being the DirectoryIndex is that the resulting
+ # $my_url data is not the full script URL: this is good, because we want
+ # generated links to keep implying the script name if it wasn't explicitly
+ # indicated in the URL we're handling, but it means that $my_url cannot be used
+ # as base URL.
+ # Therefore, if we needed to strip PATH_INFO, then we know that we have
+ # to build the base URL ourselves:
+ our $path_info = decode_utf8($ENV{"PATH_INFO"});
+ if ($path_info) {
+ # $path_info has already been URL-decoded by the web server, but
+ # $my_url and $my_uri have not. URL-decode them so we can properly
+ # strip $path_info.
+ $my_url = unescape($my_url);
+ $my_uri = unescape($my_uri);
+ if ($my_url =~ s,\Q$path_info\E$,, &&
+ $my_uri =~ s,\Q$path_info\E$,, &&
+ defined $ENV{'SCRIPT_NAME'}) {
+ $base_url = $cgi->url(-base => 1) . $ENV{'SCRIPT_NAME'};
+ }
+ }
+
+ # target of the home link on top of all pages
+ our $home_link = $my_uri || "/";
+}
+
+# core git executable to use
+# this can just be "git" if your webserver has a sensible PATH
+our $GIT = "++GIT_BINDIR++/git";
+
+# absolute fs-path which will be prepended to the project path
+#our $projectroot = "/pub/scm";
+our $projectroot = "++GITWEB_PROJECTROOT++";
+
+# fs traversing limit for getting project list
+# the number is relative to the projectroot
+our $project_maxdepth = "++GITWEB_PROJECT_MAXDEPTH++";
+
+# string of the home link on top of all pages
+our $home_link_str = "++GITWEB_HOME_LINK_STR++";
+
+# extra breadcrumbs preceding the home link
+our @extra_breadcrumbs = ();
+
+# name of your site or organization to appear in page titles
+# replace this with something more descriptive for clearer bookmarks
+our $site_name = "++GITWEB_SITENAME++"
+ || ($ENV{'SERVER_NAME'} || "Untitled") . " Git";
+
+# html snippet to include in the <head> section of each page
+our $site_html_head_string = "++GITWEB_SITE_HTML_HEAD_STRING++";
+# filename of html text to include at top of each page
+our $site_header = "++GITWEB_SITE_HEADER++";
+# html text to include at home page
+our $home_text = "++GITWEB_HOMETEXT++";
+# filename of html text to include at bottom of each page
+our $site_footer = "++GITWEB_SITE_FOOTER++";
+
+# URI of stylesheets
+our @stylesheets = ("++GITWEB_CSS++");
+# URI of a single stylesheet, which can be overridden in GITWEB_CONFIG.
+our $stylesheet = undef;
+# URI of GIT logo (72x27 size)
+our $logo = "++GITWEB_LOGO++";
+# URI of GIT favicon, assumed to be image/png type
+our $favicon = "++GITWEB_FAVICON++";
+# URI of gitweb.js (JavaScript code for gitweb)
+our $javascript = "++GITWEB_JS++";
+
+# URI and label (title) of GIT logo link
+#our $logo_url = "http://www.kernel.org/pub/software/scm/git/docs/";
+#our $logo_label = "git documentation";
+our $logo_url = "http://git-scm.com/";
+our $logo_label = "git homepage";
+
+# source of projects list
+our $projects_list = "++GITWEB_LIST++";
+
+# the width (in characters) of the projects list "Description" column
+our $projects_list_description_width = 25;
+
+# group projects by category on the projects list
+# (enabled if this variable evaluates to true)
+our $projects_list_group_categories = 0;
+
+# default category if none specified
+# (leave the empty string for no category)
+our $project_list_default_category = "";
+
+# default order of projects list
+# valid values are none, project, descr, owner, and age
+our $default_projects_order = "project";
+
+# show repository only if this file exists
+# (only effective if this variable evaluates to true)
+our $export_ok = "++GITWEB_EXPORT_OK++";
+
+# don't generate age column on the projects list page
+our $omit_age_column = 0;
+
+# don't generate information about owners of repositories
+our $omit_owner=0;
+
+# show repository only if this subroutine returns true
+# when given the path to the project, for example:
+# sub { return -e "$_[0]/git-daemon-export-ok"; }
+our $export_auth_hook = undef;
+
+# only allow viewing of repositories also shown on the overview page
+our $strict_export = "++GITWEB_STRICT_EXPORT++";
+
+# list of git base URLs used for URL to where fetch project from,
+# i.e. full URL is "$git_base_url/$project"
+our @git_base_url_list = grep { $_ ne '' } ("++GITWEB_BASE_URL++");
+
+# default blob_plain mimetype and default charset for text/plain blob
+our $default_blob_plain_mimetype = 'text/plain';
+our $default_text_plain_charset = undef;
+
+# file to use for guessing MIME types before trying /etc/mime.types
+# (relative to the current git repository)
+our $mimetypes_file = undef;
+
+# assume this charset if line contains non-UTF-8 characters;
+# it should be valid encoding (see Encoding::Supported(3pm) for list),
+# for which encoding all byte sequences are valid, for example
+# 'iso-8859-1' aka 'latin1' (it is decoded without checking, so it
+# could be even 'utf-8' for the old behavior)
+our $fallback_encoding = 'latin1';
+
+# rename detection options for git-diff and git-diff-tree
+# - default is '-M', with the cost proportional to
+# (number of removed files) * (number of new files).
+# - more costly is '-C' (which implies '-M'), with the cost proportional to
+# (number of changed files + number of removed files) * (number of new files)
+# - even more costly is '-C', '--find-copies-harder' with cost
+# (number of files in the original tree) * (number of new files)
+# - one might want to include '-B' option, e.g. '-B', '-M'
+our @diff_opts = ('-M'); # taken from git_commit
+
+# Disables features that would allow repository owners to inject script into
+# the gitweb domain.
+our $prevent_xss = 0;
+
+# Path to the highlight executable to use (must be the one from
+# http://www.andre-simon.de due to assumptions about parameters and output).
+# Useful if highlight is not installed on your webserver's PATH.
+# [Default: highlight]
+our $highlight_bin = "++HIGHLIGHT_BIN++";
+
+# information about snapshot formats that gitweb is capable of serving
+our %known_snapshot_formats = (
+ # name => {
+ # 'display' => display name,
+ # 'type' => mime type,
+ # 'suffix' => filename suffix,
+ # 'format' => --format for git-archive,
+ # 'compressor' => [compressor command and arguments]
+ # (array reference, optional)
+ # 'disabled' => boolean (optional)}
+ #
+ 'tgz' => {
+ 'display' => 'tar.gz',
+ 'type' => 'application/x-gzip',
+ 'suffix' => '.tar.gz',
+ 'format' => 'tar',
+ 'compressor' => ['gzip', '-n']},
+
+ 'tbz2' => {
+ 'display' => 'tar.bz2',
+ 'type' => 'application/x-bzip2',
+ 'suffix' => '.tar.bz2',
+ 'format' => 'tar',
+ 'compressor' => ['bzip2']},
+
+ 'txz' => {
+ 'display' => 'tar.xz',
+ 'type' => 'application/x-xz',
+ 'suffix' => '.tar.xz',
+ 'format' => 'tar',
+ 'compressor' => ['xz'],
+ 'disabled' => 1},
+
+ 'zip' => {
+ 'display' => 'zip',
+ 'type' => 'application/x-zip',
+ 'suffix' => '.zip',
+ 'format' => 'zip'},
+);
+
+# Aliases so we understand old gitweb.snapshot values in repository
+# configuration.
+our %known_snapshot_format_aliases = (
+ 'gzip' => 'tgz',
+ 'bzip2' => 'tbz2',
+ 'xz' => 'txz',
+
+ # backward compatibility: legacy gitweb config support
+ 'x-gzip' => undef, 'gz' => undef,
+ 'x-bzip2' => undef, 'bz2' => undef,
+ 'x-zip' => undef, '' => undef,
+);
+
+# Pixel sizes for icons and avatars. If the default font sizes or lineheights
+# are changed, it may be appropriate to change these values too via
+# $GITWEB_CONFIG.
+our %avatar_size = (
+ 'default' => 16,
+ 'double' => 32
+);
+
+# Used to set the maximum load that we will still respond to gitweb queries.
+# If server load exceed this value then return "503 server busy" error.
+# If gitweb cannot determined server load, it is taken to be 0.
+# Leave it undefined (or set to 'undef') to turn off load checking.
+our $maxload = 300;
+
+# configuration for 'highlight' (http://www.andre-simon.de/)
+# match by basename
+our %highlight_basename = (
+ #'Program' => 'py',
+ #'Library' => 'py',
+ 'SConstruct' => 'py', # SCons equivalent of Makefile
+ 'Makefile' => 'make',
+);
+# match by extension
+our %highlight_ext = (
+ # main extensions, defining name of syntax;
+ # see files in /usr/share/highlight/langDefs/ directory
+ (map { $_ => $_ } qw(py rb java css js tex bib xml awk bat ini spec tcl sql)),
+ # alternate extensions, see /etc/highlight/filetypes.conf
+ (map { $_ => 'c' } qw(c h)),
+ (map { $_ => 'sh' } qw(sh bash zsh ksh)),
+ (map { $_ => 'cpp' } qw(cpp cxx c++ cc)),
+ (map { $_ => 'php' } qw(php php3 php4 php5 phps)),
+ (map { $_ => 'pl' } qw(pl perl pm)), # perhaps also 'cgi'
+ (map { $_ => 'make'} qw(make mak mk)),
+ (map { $_ => 'xml' } qw(xml xhtml html htm)),
+);
+
+# You define site-wide feature defaults here; override them with
+# $GITWEB_CONFIG as necessary.
+our %feature = (
+ # feature => {
+ # 'sub' => feature-sub (subroutine),
+ # 'override' => allow-override (boolean),
+ # 'default' => [ default options...] (array reference)}
+ #
+ # if feature is overridable (it means that allow-override has true value),
+ # then feature-sub will be called with default options as parameters;
+ # return value of feature-sub indicates if to enable specified feature
+ #
+ # if there is no 'sub' key (no feature-sub), then feature cannot be
+ # overridden
+ #
+ # use gitweb_get_feature(<feature>) to retrieve the <feature> value
+ # (an array) or gitweb_check_feature(<feature>) to check if <feature>
+ # is enabled
+
+ # Enable the 'blame' blob view, showing the last commit that modified
+ # each line in the file. This can be very CPU-intensive.
+
+ # To enable system wide have in $GITWEB_CONFIG
+ # $feature{'blame'}{'default'} = [1];
+ # To have project specific config enable override in $GITWEB_CONFIG
+ # $feature{'blame'}{'override'} = 1;
+ # and in project config gitweb.blame = 0|1;
+ 'blame' => {
+ 'sub' => sub { feature_bool('blame', @_) },
+ 'override' => 0,
+ 'default' => [0]},
+
+ # Enable the 'snapshot' link, providing a compressed archive of any
+ # tree. This can potentially generate high traffic if you have large
+ # project.
+
+ # Value is a list of formats defined in %known_snapshot_formats that
+ # you wish to offer.
+ # To disable system wide have in $GITWEB_CONFIG
+ # $feature{'snapshot'}{'default'} = [];
+ # To have project specific config enable override in $GITWEB_CONFIG
+ # $feature{'snapshot'}{'override'} = 1;
+ # and in project config, a comma-separated list of formats or "none"
+ # to disable. Example: gitweb.snapshot = tbz2,zip;
+ 'snapshot' => {
+ 'sub' => \&feature_snapshot,
+ 'override' => 0,
+ 'default' => ['tgz']},
+
+ # Enable text search, which will list the commits which match author,
+ # committer or commit text to a given string. Enabled by default.
+ # Project specific override is not supported.
+ #
+ # Note that this controls all search features, which means that if
+ # it is disabled, then 'grep' and 'pickaxe' search would also be
+ # disabled.
+ 'search' => {
+ 'override' => 0,
+ 'default' => [1]},
+
+ # Enable grep search, which will list the files in currently selected
+ # tree containing the given string. Enabled by default. This can be
+ # potentially CPU-intensive, of course.
+ # Note that you need to have 'search' feature enabled too.
+
+ # To enable system wide have in $GITWEB_CONFIG
+ # $feature{'grep'}{'default'} = [1];
+ # To have project specific config enable override in $GITWEB_CONFIG
+ # $feature{'grep'}{'override'} = 1;
+ # and in project config gitweb.grep = 0|1;
+ 'grep' => {
+ 'sub' => sub { feature_bool('grep', @_) },
+ 'override' => 0,
+ 'default' => [1]},
+
+ # Enable the pickaxe search, which will list the commits that modified
+ # a given string in a file. This can be practical and quite faster
+ # alternative to 'blame', but still potentially CPU-intensive.
+ # Note that you need to have 'search' feature enabled too.
+
+ # To enable system wide have in $GITWEB_CONFIG
+ # $feature{'pickaxe'}{'default'} = [1];
+ # To have project specific config enable override in $GITWEB_CONFIG
+ # $feature{'pickaxe'}{'override'} = 1;
+ # and in project config gitweb.pickaxe = 0|1;
+ 'pickaxe' => {
+ 'sub' => sub { feature_bool('pickaxe', @_) },
+ 'override' => 0,
+ 'default' => [1]},
+
+ # Enable showing size of blobs in a 'tree' view, in a separate
+ # column, similar to what 'ls -l' does. This cost a bit of IO.
+
+ # To disable system wide have in $GITWEB_CONFIG
+ # $feature{'show-sizes'}{'default'} = [0];
+ # To have project specific config enable override in $GITWEB_CONFIG
+ # $feature{'show-sizes'}{'override'} = 1;
+ # and in project config gitweb.showsizes = 0|1;
+ 'show-sizes' => {
+ 'sub' => sub { feature_bool('showsizes', @_) },
+ 'override' => 0,
+ 'default' => [1]},
+
+ # Make gitweb use an alternative format of the URLs which can be
+ # more readable and natural-looking: project name is embedded
+ # directly in the path and the query string contains other
+ # auxiliary information. All gitweb installations recognize
+ # URL in either format; this configures in which formats gitweb
+ # generates links.
+
+ # To enable system wide have in $GITWEB_CONFIG
+ # $feature{'pathinfo'}{'default'} = [1];
+ # Project specific override is not supported.
+
+ # Note that you will need to change the default location of CSS,
+ # favicon, logo and possibly other files to an absolute URL. Also,
+ # if gitweb.cgi serves as your indexfile, you will need to force
+ # $my_uri to contain the script name in your $GITWEB_CONFIG.
+ 'pathinfo' => {
+ 'override' => 0,
+ 'default' => [0]},
+
+ # Make gitweb consider projects in project root subdirectories
+ # to be forks of existing projects. Given project $projname.git,
+ # projects matching $projname/*.git will not be shown in the main
+ # projects list, instead a '+' mark will be added to $projname
+ # there and a 'forks' view will be enabled for the project, listing
+ # all the forks. If project list is taken from a file, forks have
+ # to be listed after the main project.
+
+ # To enable system wide have in $GITWEB_CONFIG
+ # $feature{'forks'}{'default'} = [1];
+ # Project specific override is not supported.
+ 'forks' => {
+ 'override' => 0,
+ 'default' => [0]},
+
+ # Insert custom links to the action bar of all project pages.
+ # This enables you mainly to link to third-party scripts integrating
+ # into gitweb; e.g. git-browser for graphical history representation
+ # or custom web-based repository administration interface.
+
+ # The 'default' value consists of a list of triplets in the form
+ # (label, link, position) where position is the label after which
+ # to insert the link and link is a format string where %n expands
+ # to the project name, %f to the project path within the filesystem,
+ # %h to the current hash (h gitweb parameter) and %b to the current
+ # hash base (hb gitweb parameter); %% expands to %.
+
+ # To enable system wide have in $GITWEB_CONFIG e.g.
+ # $feature{'actions'}{'default'} = [('graphiclog',
+ # '/git-browser/by-commit.html?r=%n', 'summary')];
+ # Project specific override is not supported.
+ 'actions' => {
+ 'override' => 0,
+ 'default' => []},
+
+ # Allow gitweb scan project content tags of project repository,
+ # and display the popular Web 2.0-ish "tag cloud" near the projects
+ # list. Note that this is something COMPLETELY different from the
+ # normal Git tags.
+
+ # gitweb by itself can show existing tags, but it does not handle
+ # tagging itself; you need to do it externally, outside gitweb.
+ # The format is described in git_get_project_ctags() subroutine.
+ # You may want to install the HTML::TagCloud Perl module to get
+ # a pretty tag cloud instead of just a list of tags.
+
+ # To enable system wide have in $GITWEB_CONFIG
+ # $feature{'ctags'}{'default'} = [1];
+ # Project specific override is not supported.
+
+ # In the future whether ctags editing is enabled might depend
+ # on the value, but using 1 should always mean no editing of ctags.
+ 'ctags' => {
+ 'override' => 0,
+ 'default' => [0]},
+
+ # The maximum number of patches in a patchset generated in patch
+ # view. Set this to 0 or undef to disable patch view, or to a
+ # negative number to remove any limit.
+
+ # To disable system wide have in $GITWEB_CONFIG
+ # $feature{'patches'}{'default'} = [0];
+ # To have project specific config enable override in $GITWEB_CONFIG
+ # $feature{'patches'}{'override'} = 1;
+ # and in project config gitweb.patches = 0|n;
+ # where n is the maximum number of patches allowed in a patchset.
+ 'patches' => {
+ 'sub' => \&feature_patches,
+ 'override' => 0,
+ 'default' => [16]},
+
+ # Avatar support. When this feature is enabled, views such as
+ # shortlog or commit will display an avatar associated with
+ # the email of the committer(s) and/or author(s).
+
+ # Currently available providers are gravatar and picon.
+ # If an unknown provider is specified, the feature is disabled.
+
+ # Picon currently relies on the indiana.edu database.
+
+ # To enable system wide have in $GITWEB_CONFIG
+ # $feature{'avatar'}{'default'} = ['<provider>'];
+ # where <provider> is either gravatar or picon.
+ # To have project specific config enable override in $GITWEB_CONFIG
+ # $feature{'avatar'}{'override'} = 1;
+ # and in project config gitweb.avatar = <provider>;
+ 'avatar' => {
+ 'sub' => \&feature_avatar,
+ 'override' => 0,
+ 'default' => ['']},
+
+ # Enable displaying how much time and how many git commands
+ # it took to generate and display page. Disabled by default.
+ # Project specific override is not supported.
+ 'timed' => {
+ 'override' => 0,
+ 'default' => [0]},
+
+ # Enable turning some links into links to actions which require
+ # JavaScript to run (like 'blame_incremental'). Not enabled by
+ # default. Project specific override is currently not supported.
+ 'javascript-actions' => {
+ 'override' => 0,
+ 'default' => [0]},
+
+ # Enable and configure ability to change common timezone for dates
+ # in gitweb output via JavaScript. Enabled by default.
+ # Project specific override is not supported.
+ 'javascript-timezone' => {
+ 'override' => 0,
+ 'default' => [
+ 'local', # default timezone: 'utc', 'local', or '(-|+)HHMM' format,
+ # or undef to turn off this feature
+ 'gitweb_tz', # name of cookie where to store selected timezone
+ 'datetime', # CSS class used to mark up dates for manipulation
+ ]},
+
+ # Syntax highlighting support. This is based on Daniel Svensson's
+ # and Sham Chukoury's work in gitweb-xmms2.git.
+ # It requires the 'highlight' program present in $PATH,
+ # and therefore is disabled by default.
+
+ # To enable system wide have in $GITWEB_CONFIG
+ # $feature{'highlight'}{'default'} = [1];
+
+ 'highlight' => {
+ 'sub' => sub { feature_bool('highlight', @_) },
+ 'override' => 0,
+ 'default' => [0]},
+
+ # Enable displaying of remote heads in the heads list
+
+ # To enable system wide have in $GITWEB_CONFIG
+ # $feature{'remote_heads'}{'default'} = [1];
+ # To have project specific config enable override in $GITWEB_CONFIG
+ # $feature{'remote_heads'}{'override'} = 1;
+ # and in project config gitweb.remoteheads = 0|1;
+ 'remote_heads' => {
+ 'sub' => sub { feature_bool('remote_heads', @_) },
+ 'override' => 0,
+ 'default' => [0]},
+
+ # Enable showing branches under other refs in addition to heads
+
+ # To set system wide extra branch refs have in $GITWEB_CONFIG
+ # $feature{'extra-branch-refs'}{'default'} = ['dirs', 'of', 'choice'];
+ # To have project specific config enable override in $GITWEB_CONFIG
+ # $feature{'extra-branch-refs'}{'override'} = 1;
+ # and in project config gitweb.extrabranchrefs = dirs of choice
+ # Every directory is separated with whitespace.
+
+ 'extra-branch-refs' => {
+ 'sub' => \&feature_extra_branch_refs,
+ 'override' => 0,
+ 'default' => []},
+
+ # Redact e-mail addresses.
+
+ # To enable system wide have in $GITWEB_CONFIG
+ # $feature{'email-privacy'}{'default'} = [1];
+ 'email-privacy' => {
+ 'sub' => sub { feature_bool('email-privacy', @_) },
+ 'override' => 1,
+ 'default' => [0]},
+);
+
+sub gitweb_get_feature {
+ my ($name) = @_;
+ return unless exists $feature{$name};
+ my ($sub, $override, @defaults) = (
+ $feature{$name}{'sub'},
+ $feature{$name}{'override'},
+ @{$feature{$name}{'default'}});
+ # project specific override is possible only if we have project
+ our $git_dir; # global variable, declared later
+ if (!$override || !defined $git_dir) {
+ return @defaults;
+ }
+ if (!defined $sub) {
+ warn "feature $name is not overridable";
+ return @defaults;
+ }
+ return $sub->(@defaults);
+}
+
+# A wrapper to check if a given feature is enabled.
+# With this, you can say
+#
+# my $bool_feat = gitweb_check_feature('bool_feat');
+# gitweb_check_feature('bool_feat') or somecode;
+#
+# instead of
+#
+# my ($bool_feat) = gitweb_get_feature('bool_feat');
+# (gitweb_get_feature('bool_feat'))[0] or somecode;
+#
+sub gitweb_check_feature {
+ return (gitweb_get_feature(@_))[0];
+}
+
+
+sub feature_bool {
+ my $key = shift;
+ my ($val) = git_get_project_config($key, '--bool');
+
+ if (!defined $val) {
+ return ($_[0]);
+ } elsif ($val eq 'true') {
+ return (1);
+ } elsif ($val eq 'false') {
+ return (0);
+ }
+}
+
+sub feature_snapshot {
+ my (@fmts) = @_;
+
+ my ($val) = git_get_project_config('snapshot');
+
+ if ($val) {
+ @fmts = ($val eq 'none' ? () : split /\s*[,\s]\s*/, $val);
+ }
+
+ return @fmts;
+}
+
+sub feature_patches {
+ my @val = (git_get_project_config('patches', '--int'));
+
+ if (@val) {
+ return @val;
+ }
+
+ return ($_[0]);
+}
+
+sub feature_avatar {
+ my @val = (git_get_project_config('avatar'));
+
+ return @val ? @val : @_;
+}
+
+sub feature_extra_branch_refs {
+ my (@branch_refs) = @_;
+ my $values = git_get_project_config('extrabranchrefs');
+
+ if ($values) {
+ $values = config_to_multi ($values);
+ @branch_refs = ();
+ foreach my $value (@{$values}) {
+ push @branch_refs, split /\s+/, $value;
+ }
+ }
+
+ return @branch_refs;
+}
+
+# checking HEAD file with -e is fragile if the repository was
+# initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed
+# and then pruned.
+sub check_head_link {
+ my ($dir) = @_;
+ my $headfile = "$dir/HEAD";
+ return ((-e $headfile) ||
+ (-l $headfile && readlink($headfile) =~ /^refs\/heads\//));
+}
+
+sub check_export_ok {
+ my ($dir) = @_;
+ return (check_head_link($dir) &&
+ (!$export_ok || -e "$dir/$export_ok") &&
+ (!$export_auth_hook || $export_auth_hook->($dir)));
+}
+
+# process alternate names for backward compatibility
+# filter out unsupported (unknown) snapshot formats
+sub filter_snapshot_fmts {
+ my @fmts = @_;
+
+ @fmts = map {
+ exists $known_snapshot_format_aliases{$_} ?
+ $known_snapshot_format_aliases{$_} : $_} @fmts;
+ @fmts = grep {
+ exists $known_snapshot_formats{$_} &&
+ !$known_snapshot_formats{$_}{'disabled'}} @fmts;
+}
+
+sub filter_and_validate_refs {
+ my @refs = @_;
+ my %unique_refs = ();
+
+ foreach my $ref (@refs) {
+ die_error(500, "Invalid ref '$ref' in 'extra-branch-refs' feature") unless (is_valid_ref_format($ref));
+ # 'heads' are added implicitly in get_branch_refs().
+ $unique_refs{$ref} = 1 if ($ref ne 'heads');
+ }
+ return sort keys %unique_refs;
+}
+
+# If it is set to code reference, it is code that it is to be run once per
+# request, allowing updating configurations that change with each request,
+# while running other code in config file only once.
+#
+# Otherwise, if it is false then gitweb would process config file only once;
+# if it is true then gitweb config would be run for each request.
+our $per_request_config = 1;
+
+# read and parse gitweb config file given by its parameter.
+# returns true on success, false on recoverable error, allowing
+# to chain this subroutine, using first file that exists.
+# dies on errors during parsing config file, as it is unrecoverable.
+sub read_config_file {
+ my $filename = shift;
+ return unless defined $filename;
+ # die if there are errors parsing config file
+ if (-e $filename) {
+ do $filename;
+ die $@ if $@;
+ return 1;
+ }
+ return;
+}
+
+our ($GITWEB_CONFIG, $GITWEB_CONFIG_SYSTEM, $GITWEB_CONFIG_COMMON);
+sub evaluate_gitweb_config {
+ our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
+ our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "++GITWEB_CONFIG_SYSTEM++";
+ our $GITWEB_CONFIG_COMMON = $ENV{'GITWEB_CONFIG_COMMON'} || "++GITWEB_CONFIG_COMMON++";
+
+ # Protect against duplications of file names, to not read config twice.
+ # Only one of $GITWEB_CONFIG and $GITWEB_CONFIG_SYSTEM is used, so
+ # there possibility of duplication of filename there doesn't matter.
+ $GITWEB_CONFIG = "" if ($GITWEB_CONFIG eq $GITWEB_CONFIG_COMMON);
+ $GITWEB_CONFIG_SYSTEM = "" if ($GITWEB_CONFIG_SYSTEM eq $GITWEB_CONFIG_COMMON);
+
+ # Common system-wide settings for convenience.
+ # Those settings can be overridden by GITWEB_CONFIG or GITWEB_CONFIG_SYSTEM.
+ read_config_file($GITWEB_CONFIG_COMMON);
+
+ # Use first config file that exists. This means use the per-instance
+ # GITWEB_CONFIG if exists, otherwise use GITWEB_SYSTEM_CONFIG.
+ read_config_file($GITWEB_CONFIG) and return;
+ read_config_file($GITWEB_CONFIG_SYSTEM);
+}
+
+# Get loadavg of system, to compare against $maxload.
+# Currently it requires '/proc/loadavg' present to get loadavg;
+# if it is not present it returns 0, which means no load checking.
+sub get_loadavg {
+ if( -e '/proc/loadavg' ){
+ open my $fd, '<', '/proc/loadavg'
+ or return 0;
+ my @load = split(/\s+/, scalar <$fd>);
+ close $fd;
+
+ # The first three columns measure CPU and IO utilization of the last one,
+ # five, and 10 minute periods. The fourth column shows the number of
+ # currently running processes and the total number of processes in the m/n
+ # format. The last column displays the last process ID used.
+ return $load[0] || 0;
+ }
+ # additional checks for load average should go here for things that don't export
+ # /proc/loadavg
+
+ return 0;
+}
+
+# version of the core git binary
+our $git_version;
+sub evaluate_git_version {
+ our $git_version = qx("$GIT" --version) =~ m/git version (.*)$/ ? $1 : "unknown";
+ $number_of_git_cmds++;
+}
+
+sub check_loadavg {
+ if (defined $maxload && get_loadavg() > $maxload) {
+ die_error(503, "The load average on the server is too high");
+ }
+}
+
+# ======================================================================
+# input validation and dispatch
+
+# Various hash size-related values.
+my $sha1_len = 40;
+my $sha256_extra_len = 24;
+my $sha256_len = $sha1_len + $sha256_extra_len;
+
+# A regex matching $len hex characters. $len may be a range (e.g. 7,64).
+sub oid_nlen_regex {
+ my $len = shift;
+ my $hchr = qr/[0-9a-fA-F]/;
+ return qr/(?:(?:$hchr){$len})/;
+}
+
+# A regex matching two sets of $nlen hex characters, prefixed by the literal
+# string $prefix and with the literal string $infix between them.
+sub oid_nlen_prefix_infix_regex {
+ my $nlen = shift;
+ my $prefix = shift;
+ my $infix = shift;
+
+ my $rx = oid_nlen_regex($nlen);
+
+ return qr/^\Q$prefix\E$rx\Q$infix\E$rx$/;
+}
+
+# A regex matching a valid object ID.
+our $oid_regex;
+{
+ my $x = oid_nlen_regex($sha1_len);
+ my $y = oid_nlen_regex($sha256_extra_len);
+ $oid_regex = qr/(?:$x(?:$y)?)/;
+}
+
+# input parameters can be collected from a variety of sources (presently, CGI
+# and PATH_INFO), so we define an %input_params hash that collects them all
+# together during validation: this allows subsequent uses (e.g. href()) to be
+# agnostic of the parameter origin
+
+our %input_params = ();
+
+# input parameters are stored with the long parameter name as key. This will
+# also be used in the href subroutine to convert parameters to their CGI
+# equivalent, and since the href() usage is the most frequent one, we store
+# the name -> CGI key mapping here, instead of the reverse.
+#
+# XXX: Warning: If you touch this, check the search form for updating,
+# too.
+
+our @cgi_param_mapping = (
+ project => "p",
+ action => "a",
+ file_name => "f",
+ file_parent => "fp",
+ hash => "h",
+ hash_parent => "hp",
+ hash_base => "hb",
+ hash_parent_base => "hpb",
+ page => "pg",
+ order => "o",
+ searchtext => "s",
+ searchtype => "st",
+ snapshot_format => "sf",
+ extra_options => "opt",
+ search_use_regexp => "sr",
+ ctag => "by_tag",
+ diff_style => "ds",
+ project_filter => "pf",
+ # this must be last entry (for manipulation from JavaScript)
+ javascript => "js"
+);
+our %cgi_param_mapping = @cgi_param_mapping;
+
+# we will also need to know the possible actions, for validation
+our %actions = (
+ "blame" => \&git_blame,
+ "blame_incremental" => \&git_blame_incremental,
+ "blame_data" => \&git_blame_data,
+ "blobdiff" => \&git_blobdiff,
+ "blobdiff_plain" => \&git_blobdiff_plain,
+ "blob" => \&git_blob,
+ "blob_plain" => \&git_blob_plain,
+ "commitdiff" => \&git_commitdiff,
+ "commitdiff_plain" => \&git_commitdiff_plain,
+ "commit" => \&git_commit,
+ "forks" => \&git_forks,
+ "heads" => \&git_heads,
+ "history" => \&git_history,
+ "log" => \&git_log,
+ "patch" => \&git_patch,
+ "patches" => \&git_patches,
+ "remotes" => \&git_remotes,
+ "rss" => \&git_rss,
+ "atom" => \&git_atom,
+ "search" => \&git_search,
+ "search_help" => \&git_search_help,
+ "shortlog" => \&git_shortlog,
+ "summary" => \&git_summary,
+ "tag" => \&git_tag,
+ "tags" => \&git_tags,
+ "tree" => \&git_tree,
+ "snapshot" => \&git_snapshot,
+ "object" => \&git_object,
+ # those below don't need $project
+ "opml" => \&git_opml,
+ "project_list" => \&git_project_list,
+ "project_index" => \&git_project_index,
+);
+
+# finally, we have the hash of allowed extra_options for the commands that
+# allow them
+our %allowed_options = (
+ "--no-merges" => [ qw(rss atom log shortlog history) ],
+);
+
+# fill %input_params with the CGI parameters. All values except for 'opt'
+# should be single values, but opt can be an array. We should probably
+# build an array of parameters that can be multi-valued, but since for the time
+# being it's only this one, we just single it out
+sub evaluate_query_params {
+ our $cgi;
+
+ while (my ($name, $symbol) = each %cgi_param_mapping) {
+ if ($symbol eq 'opt') {
+ $input_params{$name} = [ map { decode_utf8($_) } $cgi->multi_param($symbol) ];
+ } else {
+ $input_params{$name} = decode_utf8($cgi->param($symbol));
+ }
+ }
+}
+
+# now read PATH_INFO and update the parameter list for missing parameters
+sub evaluate_path_info {
+ return if defined $input_params{'project'};
+ return if !$path_info;
+ $path_info =~ s,^/+,,;
+ return if !$path_info;
+
+ # find which part of PATH_INFO is project
+ my $project = $path_info;
+ $project =~ s,/+$,,;
+ while ($project && !check_head_link("$projectroot/$project")) {
+ $project =~ s,/*[^/]*$,,;
+ }
+ return unless $project;
+ $input_params{'project'} = $project;
+
+ # do not change any parameters if an action is given using the query string
+ return if $input_params{'action'};
+ $path_info =~ s,^\Q$project\E/*,,;
+
+ # next, check if we have an action
+ my $action = $path_info;
+ $action =~ s,/.*$,,;
+ if (exists $actions{$action}) {
+ $path_info =~ s,^$action/*,,;
+ $input_params{'action'} = $action;
+ }
+
+ # list of actions that want hash_base instead of hash, but can have no
+ # pathname (f) parameter
+ my @wants_base = (
+ 'tree',
+ 'history',
+ );
+
+ # we want to catch, among others
+ # [$hash_parent_base[:$file_parent]..]$hash_parent[:$file_name]
+ my ($parentrefname, $parentpathname, $refname, $pathname) =
+ ($path_info =~ /^(?:(.+?)(?::(.+))?\.\.)?([^:]+?)?(?::(.+))?$/);
+
+ # first, analyze the 'current' part
+ if (defined $pathname) {
+ # we got "branch:filename" or "branch:dir/"
+ # we could use git_get_type(branch:pathname), but:
+ # - it needs $git_dir
+ # - it does a git() call
+ # - the convention of terminating directories with a slash
+ # makes it superfluous
+ # - embedding the action in the PATH_INFO would make it even
+ # more superfluous
+ $pathname =~ s,^/+,,;
+ if (!$pathname || substr($pathname, -1) eq "/") {
+ $input_params{'action'} ||= "tree";
+ $pathname =~ s,/$,,;
+ } else {
+ # the default action depends on whether we had parent info
+ # or not
+ if ($parentrefname) {
+ $input_params{'action'} ||= "blobdiff_plain";
+ } else {
+ $input_params{'action'} ||= "blob_plain";
+ }
+ }
+ $input_params{'hash_base'} ||= $refname;
+ $input_params{'file_name'} ||= $pathname;
+ } elsif (defined $refname) {
+ # we got "branch". In this case we have to choose if we have to
+ # set hash or hash_base.
+ #
+ # Most of the actions without a pathname only want hash to be
+ # set, except for the ones specified in @wants_base that want
+ # hash_base instead. It should also be noted that hand-crafted
+ # links having 'history' as an action and no pathname or hash
+ # set will fail, but that happens regardless of PATH_INFO.
+ if (defined $parentrefname) {
+ # if there is parent let the default be 'shortlog' action
+ # (for http://git.example.com/repo.git/A..B links); if there
+ # is no parent, dispatch will detect type of object and set
+ # action appropriately if required (if action is not set)
+ $input_params{'action'} ||= "shortlog";
+ }
+ if ($input_params{'action'} &&
+ grep { $_ eq $input_params{'action'} } @wants_base) {
+ $input_params{'hash_base'} ||= $refname;
+ } else {
+ $input_params{'hash'} ||= $refname;
+ }
+ }
+
+ # next, handle the 'parent' part, if present
+ if (defined $parentrefname) {
+ # a missing pathspec defaults to the 'current' filename, allowing e.g.
+ # someproject/blobdiff/oldrev..newrev:/filename
+ if ($parentpathname) {
+ $parentpathname =~ s,^/+,,;
+ $parentpathname =~ s,/$,,;
+ $input_params{'file_parent'} ||= $parentpathname;
+ } else {
+ $input_params{'file_parent'} ||= $input_params{'file_name'};
+ }
+ # we assume that hash_parent_base is wanted if a path was specified,
+ # or if the action wants hash_base instead of hash
+ if (defined $input_params{'file_parent'} ||
+ grep { $_ eq $input_params{'action'} } @wants_base) {
+ $input_params{'hash_parent_base'} ||= $parentrefname;
+ } else {
+ $input_params{'hash_parent'} ||= $parentrefname;
+ }
+ }
+
+ # for the snapshot action, we allow URLs in the form
+ # $project/snapshot/$hash.ext
+ # where .ext determines the snapshot and gets removed from the
+ # passed $refname to provide the $hash.
+ #
+ # To be able to tell that $refname includes the format extension, we
+ # require the following two conditions to be satisfied:
+ # - the hash input parameter MUST have been set from the $refname part
+ # of the URL (i.e. they must be equal)
+ # - the snapshot format MUST NOT have been defined already (e.g. from
+ # CGI parameter sf)
+ # It's also useless to try any matching unless $refname has a dot,
+ # so we check for that too
+ if (defined $input_params{'action'} &&
+ $input_params{'action'} eq 'snapshot' &&
+ defined $refname && index($refname, '.') != -1 &&
+ $refname eq $input_params{'hash'} &&
+ !defined $input_params{'snapshot_format'}) {
+ # We loop over the known snapshot formats, checking for
+ # extensions. Allowed extensions are both the defined suffix
+ # (which includes the initial dot already) and the snapshot
+ # format key itself, with a prepended dot
+ while (my ($fmt, $opt) = each %known_snapshot_formats) {
+ my $hash = $refname;
+ unless ($hash =~ s/(\Q$opt->{'suffix'}\E|\Q.$fmt\E)$//) {
+ next;
+ }
+ my $sfx = $1;
+ # a valid suffix was found, so set the snapshot format
+ # and reset the hash parameter
+ $input_params{'snapshot_format'} = $fmt;
+ $input_params{'hash'} = $hash;
+ # we also set the format suffix to the one requested
+ # in the URL: this way a request for e.g. .tgz returns
+ # a .tgz instead of a .tar.gz
+ $known_snapshot_formats{$fmt}{'suffix'} = $sfx;
+ last;
+ }
+ }
+}
+
+our ($action, $project, $file_name, $file_parent, $hash, $hash_parent, $hash_base,
+ $hash_parent_base, @extra_options, $page, $searchtype, $search_use_regexp,
+ $searchtext, $search_regexp, $project_filter);
+sub evaluate_and_validate_params {
+ our $action = $input_params{'action'};
+ if (defined $action) {
+ if (!is_valid_action($action)) {
+ die_error(400, "Invalid action parameter");
+ }
+ }
+
+ # parameters which are pathnames
+ our $project = $input_params{'project'};
+ if (defined $project) {
+ if (!is_valid_project($project)) {
+ undef $project;
+ die_error(404, "No such project");
+ }
+ }
+
+ our $project_filter = $input_params{'project_filter'};
+ if (defined $project_filter) {
+ if (!is_valid_pathname($project_filter)) {
+ die_error(404, "Invalid project_filter parameter");
+ }
+ }
+
+ our $file_name = $input_params{'file_name'};
+ if (defined $file_name) {
+ if (!is_valid_pathname($file_name)) {
+ die_error(400, "Invalid file parameter");
+ }
+ }
+
+ our $file_parent = $input_params{'file_parent'};
+ if (defined $file_parent) {
+ if (!is_valid_pathname($file_parent)) {
+ die_error(400, "Invalid file parent parameter");
+ }
+ }
+
+ # parameters which are refnames
+ our $hash = $input_params{'hash'};
+ if (defined $hash) {
+ if (!is_valid_refname($hash)) {
+ die_error(400, "Invalid hash parameter");
+ }
+ }
+
+ our $hash_parent = $input_params{'hash_parent'};
+ if (defined $hash_parent) {
+ if (!is_valid_refname($hash_parent)) {
+ die_error(400, "Invalid hash parent parameter");
+ }
+ }
+
+ our $hash_base = $input_params{'hash_base'};
+ if (defined $hash_base) {
+ if (!is_valid_refname($hash_base)) {
+ die_error(400, "Invalid hash base parameter");
+ }
+ }
+
+ our @extra_options = @{$input_params{'extra_options'}};
+ # @extra_options is always defined, since it can only be (currently) set from
+ # CGI, and $cgi->param() returns the empty array in array context if the param
+ # is not set
+ foreach my $opt (@extra_options) {
+ if (not exists $allowed_options{$opt}) {
+ die_error(400, "Invalid option parameter");
+ }
+ if (not grep(/^$action$/, @{$allowed_options{$opt}})) {
+ die_error(400, "Invalid option parameter for this action");
+ }
+ }
+
+ our $hash_parent_base = $input_params{'hash_parent_base'};
+ if (defined $hash_parent_base) {
+ if (!is_valid_refname($hash_parent_base)) {
+ die_error(400, "Invalid hash parent base parameter");
+ }
+ }
+
+ # other parameters
+ our $page = $input_params{'page'};
+ if (defined $page) {
+ if ($page =~ m/[^0-9]/) {
+ die_error(400, "Invalid page parameter");
+ }
+ }
+
+ our $searchtype = $input_params{'searchtype'};
+ if (defined $searchtype) {
+ if ($searchtype =~ m/[^a-z]/) {
+ die_error(400, "Invalid searchtype parameter");
+ }
+ }
+
+ our $search_use_regexp = $input_params{'search_use_regexp'};
+
+ our $searchtext = $input_params{'searchtext'};
+ our $search_regexp = undef;
+ if (defined $searchtext) {
+ if (length($searchtext) < 2) {
+ die_error(403, "At least two characters are required for search parameter");
+ }
+ if ($search_use_regexp) {
+ $search_regexp = $searchtext;
+ if (!eval { qr/$search_regexp/; 1; }) {
+ (my $error = $@) =~ s/ at \S+ line \d+.*\n?//;
+ die_error(400, "Invalid search regexp '$search_regexp'",
+ esc_html($error));
+ }
+ } else {
+ $search_regexp = quotemeta $searchtext;
+ }
+ }
+}
+
+# path to the current git repository
+our $git_dir;
+sub evaluate_git_dir {
+ our $git_dir = "$projectroot/$project" if $project;
+}
+
+our (@snapshot_fmts, $git_avatar, @extra_branch_refs);
+sub configure_gitweb_features {
+ # list of supported snapshot formats
+ our @snapshot_fmts = gitweb_get_feature('snapshot');
+ @snapshot_fmts = filter_snapshot_fmts(@snapshot_fmts);
+
+ our ($git_avatar) = gitweb_get_feature('avatar');
+ $git_avatar = '' unless $git_avatar =~ /^(?:gravatar|picon)$/s;
+
+ our @extra_branch_refs = gitweb_get_feature('extra-branch-refs');
+ @extra_branch_refs = filter_and_validate_refs (@extra_branch_refs);
+}
+
+sub get_branch_refs {
+ return ('heads', @extra_branch_refs);
+}
+
+# custom error handler: 'die <message>' is Internal Server Error
+sub handle_errors_html {
+ my $msg = shift; # it is already HTML escaped
+
+ # to avoid infinite loop where error occurs in die_error,
+ # change handler to default handler, disabling handle_errors_html
+ set_message("Error occurred when inside die_error:\n$msg");
+
+ # you cannot jump out of die_error when called as error handler;
+ # the subroutine set via CGI::Carp::set_message is called _after_
+ # HTTP headers are already written, so it cannot write them itself
+ die_error(undef, undef, $msg, -error_handler => 1, -no_http_header => 1);
+}
+set_message(\&handle_errors_html);
+
+# dispatch
+sub dispatch {
+ if (!defined $action) {
+ if (defined $hash) {
+ $action = git_get_type($hash);
+ $action or die_error(404, "Object does not exist");
+ } elsif (defined $hash_base && defined $file_name) {
+ $action = git_get_type("$hash_base:$file_name");
+ $action or die_error(404, "File or directory does not exist");
+ } elsif (defined $project) {
+ $action = 'summary';
+ } else {
+ $action = 'project_list';
+ }
+ }
+ if (!defined($actions{$action})) {
+ die_error(400, "Unknown action");
+ }
+ if ($action !~ m/^(?:opml|project_list|project_index)$/ &&
+ !$project) {
+ die_error(400, "Project needed");
+ }
+ $actions{$action}->();
+}
+
+sub reset_timer {
+ our $t0 = [ gettimeofday() ]
+ if defined $t0;
+ our $number_of_git_cmds = 0;
+}
+
+our $first_request = 1;
+sub run_request {
+ reset_timer();
+
+ evaluate_uri();
+ if ($first_request) {
+ evaluate_gitweb_config();
+ evaluate_git_version();
+ }
+ if ($per_request_config) {
+ if (ref($per_request_config) eq 'CODE') {
+ $per_request_config->();
+ } elsif (!$first_request) {
+ evaluate_gitweb_config();
+ }
+ }
+ check_loadavg();
+
+ # $projectroot and $projects_list might be set in gitweb config file
+ $projects_list ||= $projectroot;
+
+ evaluate_query_params();
+ evaluate_path_info();
+ evaluate_and_validate_params();
+ evaluate_git_dir();
+
+ configure_gitweb_features();
+
+ dispatch();
+}
+
+our $is_last_request = sub { 1 };
+our ($pre_dispatch_hook, $post_dispatch_hook, $pre_listen_hook);
+our $CGI = 'CGI';
+our $cgi;
+our $FCGI_Stream_PRINT_raw = \&FCGI::Stream::PRINT;
+sub configure_as_fcgi {
+ require CGI::Fast;
+ our $CGI = 'CGI::Fast';
+ # FCGI is not Unicode aware hence the UTF-8 encoding must be done manually.
+ # However no encoding must be done within git_blob_plain() and git_snapshot()
+ # which must still output in raw binary mode.
+ no warnings 'redefine';
+ my $enc = Encode::find_encoding('UTF-8');
+ *FCGI::Stream::PRINT = sub {
+ my @OUTPUT = @_;
+ for (my $i = 1; $i < @_; $i++) {
+ $OUTPUT[$i] = $enc->encode($_[$i], Encode::FB_CROAK|Encode::LEAVE_SRC);
+ }
+ @_ = @OUTPUT;
+ goto $FCGI_Stream_PRINT_raw;
+ };
+
+ my $request_number = 0;
+ # let each child service 100 requests
+ our $is_last_request = sub { ++$request_number > 100 };
+}
+sub evaluate_argv {
+ my $script_name = $ENV{'SCRIPT_NAME'} || $ENV{'SCRIPT_FILENAME'} || __FILE__;
+ configure_as_fcgi()
+ if $script_name =~ /\.fcgi$/;
+
+ return unless (@ARGV);
+
+ require Getopt::Long;
+ Getopt::Long::GetOptions(
+ 'fastcgi|fcgi|f' => \&configure_as_fcgi,
+ 'nproc|n=i' => sub {
+ my ($arg, $val) = @_;
+ return unless eval { require FCGI::ProcManager; 1; };
+ my $proc_manager = FCGI::ProcManager->new({
+ n_processes => $val,
+ });
+ our $pre_listen_hook = sub { $proc_manager->pm_manage() };
+ our $pre_dispatch_hook = sub { $proc_manager->pm_pre_dispatch() };
+ our $post_dispatch_hook = sub { $proc_manager->pm_post_dispatch() };
+ },
+ );
+}
+
+sub run {
+ evaluate_argv();
+
+ $first_request = 1;
+ $pre_listen_hook->()
+ if $pre_listen_hook;
+
+ REQUEST:
+ while ($cgi = $CGI->new()) {
+ $pre_dispatch_hook->()
+ if $pre_dispatch_hook;
+
+ run_request();
+
+ $post_dispatch_hook->()
+ if $post_dispatch_hook;
+ $first_request = 0;
+
+ last REQUEST if ($is_last_request->());
+ }
+
+ DONE_GITWEB:
+ 1;
+}
+
+run();
+
+if (defined caller) {
+ # wrapped in a subroutine processing requests,
+ # e.g. mod_perl with ModPerl::Registry, or PSGI with Plack::App::WrapCGI
+ return;
+} else {
+ # pure CGI script, serving single request
+ exit;
+}
+
+## ======================================================================
+## action links
+
+# possible values of extra options
+# -full => 0|1 - use absolute/full URL ($my_uri/$my_url as base)
+# -replay => 1 - start from a current view (replay with modifications)
+# -path_info => 0|1 - don't use/use path_info URL (if possible)
+# -anchor => ANCHOR - add #ANCHOR to end of URL, implies -replay if used alone
+sub href {
+ my %params = @_;
+ # default is to use -absolute url() i.e. $my_uri
+ my $href = $params{-full} ? $my_url : $my_uri;
+
+ # implicit -replay, must be first of implicit params
+ $params{-replay} = 1 if (keys %params == 1 && $params{-anchor});
+
+ $params{'project'} = $project unless exists $params{'project'};
+
+ if ($params{-replay}) {
+ while (my ($name, $symbol) = each %cgi_param_mapping) {
+ if (!exists $params{$name}) {
+ $params{$name} = $input_params{$name};
+ }
+ }
+ }
+
+ my $use_pathinfo = gitweb_check_feature('pathinfo');
+ if (defined $params{'project'} &&
+ (exists $params{-path_info} ? $params{-path_info} : $use_pathinfo)) {
+ # try to put as many parameters as possible in PATH_INFO:
+ # - project name
+ # - action
+ # - hash_parent or hash_parent_base:/file_parent
+ # - hash or hash_base:/filename
+ # - the snapshot_format as an appropriate suffix
+
+ # When the script is the root DirectoryIndex for the domain,
+ # $href here would be something like http://gitweb.example.com/
+ # Thus, we strip any trailing / from $href, to spare us double
+ # slashes in the final URL
+ $href =~ s,/$,,;
+
+ # Then add the project name, if present
+ $href .= "/".esc_path_info($params{'project'});
+ delete $params{'project'};
+
+ # since we destructively absorb parameters, we keep this
+ # boolean that remembers if we're handling a snapshot
+ my $is_snapshot = $params{'action'} eq 'snapshot';
+
+ # Summary just uses the project path URL, any other action is
+ # added to the URL
+ if (defined $params{'action'}) {
+ $href .= "/".esc_path_info($params{'action'})
+ unless $params{'action'} eq 'summary';
+ delete $params{'action'};
+ }
+
+ # Next, we put hash_parent_base:/file_parent..hash_base:/file_name,
+ # stripping nonexistent or useless pieces
+ $href .= "/" if ($params{'hash_base'} || $params{'hash_parent_base'}
+ || $params{'hash_parent'} || $params{'hash'});
+ if (defined $params{'hash_base'}) {
+ if (defined $params{'hash_parent_base'}) {
+ $href .= esc_path_info($params{'hash_parent_base'});
+ # skip the file_parent if it's the same as the file_name
+ if (defined $params{'file_parent'}) {
+ if (defined $params{'file_name'} && $params{'file_parent'} eq $params{'file_name'}) {
+ delete $params{'file_parent'};
+ } elsif ($params{'file_parent'} !~ /\.\./) {
+ $href .= ":/".esc_path_info($params{'file_parent'});
+ delete $params{'file_parent'};
+ }
+ }
+ $href .= "..";
+ delete $params{'hash_parent'};
+ delete $params{'hash_parent_base'};
+ } elsif (defined $params{'hash_parent'}) {
+ $href .= esc_path_info($params{'hash_parent'}). "..";
+ delete $params{'hash_parent'};
+ }
+
+ $href .= esc_path_info($params{'hash_base'});
+ if (defined $params{'file_name'} && $params{'file_name'} !~ /\.\./) {
+ $href .= ":/".esc_path_info($params{'file_name'});
+ delete $params{'file_name'};
+ }
+ delete $params{'hash'};
+ delete $params{'hash_base'};
+ } elsif (defined $params{'hash'}) {
+ $href .= esc_path_info($params{'hash'});
+ delete $params{'hash'};
+ }
+
+ # If the action was a snapshot, we can absorb the
+ # snapshot_format parameter too
+ if ($is_snapshot) {
+ my $fmt = $params{'snapshot_format'};
+ # snapshot_format should always be defined when href()
+ # is called, but just in case some code forgets, we
+ # fall back to the default
+ $fmt ||= $snapshot_fmts[0];
+ $href .= $known_snapshot_formats{$fmt}{'suffix'};
+ delete $params{'snapshot_format'};
+ }
+ }
+
+ # now encode the parameters explicitly
+ my @result = ();
+ for (my $i = 0; $i < @cgi_param_mapping; $i += 2) {
+ my ($name, $symbol) = ($cgi_param_mapping[$i], $cgi_param_mapping[$i+1]);
+ if (defined $params{$name}) {
+ if (ref($params{$name}) eq "ARRAY") {
+ foreach my $par (@{$params{$name}}) {
+ push @result, $symbol . "=" . esc_param($par);
+ }
+ } else {
+ push @result, $symbol . "=" . esc_param($params{$name});
+ }
+ }
+ }
+ $href .= "?" . join(';', @result) if scalar @result;
+
+ # final transformation: trailing spaces must be escaped (URI-encoded)
+ $href =~ s/(\s+)$/CGI::escape($1)/e;
+
+ if ($params{-anchor}) {
+ $href .= "#".esc_param($params{-anchor});
+ }
+
+ return $href;
+}
+
+
+## ======================================================================
+## validation, quoting/unquoting and escaping
+
+sub is_valid_action {
+ my $input = shift;
+ return undef unless exists $actions{$input};
+ return 1;
+}
+
+sub is_valid_project {
+ my $input = shift;
+
+ return unless defined $input;
+ if (!is_valid_pathname($input) ||
+ !(-d "$projectroot/$input") ||
+ !check_export_ok("$projectroot/$input") ||
+ ($strict_export && !project_in_list($input))) {
+ return undef;
+ } else {
+ return 1;
+ }
+}
+
+sub is_valid_pathname {
+ my $input = shift;
+
+ return undef unless defined $input;
+ # no '.' or '..' as elements of path, i.e. no '.' or '..'
+ # at the beginning, at the end, and between slashes.
+ # also this catches doubled slashes
+ if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) {
+ return undef;
+ }
+ # no null characters
+ if ($input =~ m!\0!) {
+ return undef;
+ }
+ return 1;
+}
+
+sub is_valid_ref_format {
+ my $input = shift;
+
+ return undef unless defined $input;
+ # restrictions on ref name according to git-check-ref-format
+ if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
+ return undef;
+ }
+ return 1;
+}
+
+sub is_valid_refname {
+ my $input = shift;
+
+ return undef unless defined $input;
+ # textual hashes are O.K.
+ if ($input =~ m/^$oid_regex$/) {
+ return 1;
+ }
+ # it must be correct pathname
+ is_valid_pathname($input) or return undef;
+ # check git-check-ref-format restrictions
+ is_valid_ref_format($input) or return undef;
+ return 1;
+}
+
+# decode sequences of octets in utf8 into Perl's internal form,
+# which is utf-8 with utf8 flag set if needed. gitweb writes out
+# in utf-8 thanks to "binmode STDOUT, ':utf8'" at beginning
+sub to_utf8 {
+ my $str = shift;
+ return undef unless defined $str;
+
+ if (utf8::is_utf8($str) || utf8::decode($str)) {
+ return $str;
+ } else {
+ return decode($fallback_encoding, $str, Encode::FB_DEFAULT);
+ }
+}
+
+# quote unsafe chars, but keep the slash, even when it's not
+# correct, but quoted slashes look too horrible in bookmarks
+sub esc_param {
+ my $str = shift;
+ return undef unless defined $str;
+ $str =~ s/([^A-Za-z0-9\-_.~()\/:@ ]+)/CGI::escape($1)/eg;
+ $str =~ s/ /\+/g;
+ return $str;
+}
+
+# the quoting rules for path_info fragment are slightly different
+sub esc_path_info {
+ my $str = shift;
+ return undef unless defined $str;
+
+ # path_info doesn't treat '+' as space (specially), but '?' must be escaped
+ $str =~ s/([^A-Za-z0-9\-_.~();\/;:@&= +]+)/CGI::escape($1)/eg;
+
+ return $str;
+}
+
+# quote unsafe chars in whole URL, so some characters cannot be quoted
+sub esc_url {
+ my $str = shift;
+ return undef unless defined $str;
+ $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&= ]+)/CGI::escape($1)/eg;
+ $str =~ s/ /\+/g;
+ return $str;
+}
+
+# quote unsafe characters in HTML attributes
+sub esc_attr {
+
+ # for XHTML conformance escaping '"' to '&quot;' is not enough
+ return esc_html(@_);
+}
+
+# replace invalid utf8 character with SUBSTITUTION sequence
+sub esc_html {
+ my $str = shift;
+ my %opts = @_;
+
+ return undef unless defined $str;
+
+ $str = to_utf8($str);
+ $str = $cgi->escapeHTML($str);
+ if ($opts{'-nbsp'}) {
+ $str =~ s/ /&nbsp;/g;
+ }
+ $str =~ s|([[:cntrl:]])|(($1 ne "\t") ? quot_cec($1) : $1)|eg;
+ return $str;
+}
+
+# quote control characters and escape filename to HTML
+sub esc_path {
+ my $str = shift;
+ my %opts = @_;
+
+ return undef unless defined $str;
+
+ $str = to_utf8($str);
+ $str = $cgi->escapeHTML($str);
+ if ($opts{'-nbsp'}) {
+ $str =~ s/ /&nbsp;/g;
+ }
+ $str =~ s|([[:cntrl:]])|quot_cec($1)|eg;
+ return $str;
+}
+
+# Sanitize for use in XHTML + application/xml+xhtml (valid XML 1.0)
+sub sanitize {
+ my $str = shift;
+
+ return undef unless defined $str;
+
+ $str = to_utf8($str);
+ $str =~ s|([[:cntrl:]])|(index("\t\n\r", $1) != -1 ? $1 : quot_cec($1))|eg;
+ return $str;
+}
+
+# Make control characters "printable", using character escape codes (CEC)
+sub quot_cec {
+ my $cntrl = shift;
+ my %opts = @_;
+ my %es = ( # character escape codes, aka escape sequences
+ "\t" => '\t', # tab (HT)
+ "\n" => '\n', # line feed (LF)
+ "\r" => '\r', # carriage return (CR)
+ "\f" => '\f', # form feed (FF)
+ "\b" => '\b', # backspace (BS)
+ "\a" => '\a', # alarm (bell) (BEL)
+ "\e" => '\e', # escape (ESC)
+ "\013" => '\v', # vertical tab (VT)
+ "\000" => '\0', # nul character (NUL)
+ );
+ my $chr = ( (exists $es{$cntrl})
+ ? $es{$cntrl}
+ : sprintf('\%2x', ord($cntrl)) );
+ if ($opts{-nohtml}) {
+ return $chr;
+ } else {
+ return "<span class=\"cntrl\">$chr</span>";
+ }
+}
+
+# Alternatively use unicode control pictures codepoints,
+# Unicode "printable representation" (PR)
+sub quot_upr {
+ my $cntrl = shift;
+ my %opts = @_;
+
+ my $chr = sprintf('&#%04d;', 0x2400+ord($cntrl));
+ if ($opts{-nohtml}) {
+ return $chr;
+ } else {
+ return "<span class=\"cntrl\">$chr</span>";
+ }
+}
+
+# git may return quoted and escaped filenames
+sub unquote {
+ my $str = shift;
+
+ sub unq {
+ my $seq = shift;
+ my %es = ( # character escape codes, aka escape sequences
+ 't' => "\t", # tab (HT, TAB)
+ 'n' => "\n", # newline (NL)
+ 'r' => "\r", # return (CR)
+ 'f' => "\f", # form feed (FF)
+ 'b' => "\b", # backspace (BS)
+ 'a' => "\a", # alarm (bell) (BEL)
+ 'e' => "\e", # escape (ESC)
+ 'v' => "\013", # vertical tab (VT)
+ );
+
+ if ($seq =~ m/^[0-7]{1,3}$/) {
+ # octal char sequence
+ return chr(oct($seq));
+ } elsif (exists $es{$seq}) {
+ # C escape sequence, aka character escape code
+ return $es{$seq};
+ }
+ # quoted ordinary character
+ return $seq;
+ }
+
+ if ($str =~ m/^"(.*)"$/) {
+ # needs unquoting
+ $str = $1;
+ $str =~ s/\\([^0-7]|[0-7]{1,3})/unq($1)/eg;
+ }
+ return $str;
+}
+
+# escape tabs (convert tabs to spaces)
+sub untabify {
+ my $line = shift;
+
+ while ((my $pos = index($line, "\t")) != -1) {
+ if (my $count = (8 - ($pos % 8))) {
+ my $spaces = ' ' x $count;
+ $line =~ s/\t/$spaces/;
+ }
+ }
+
+ return $line;
+}
+
+sub project_in_list {
+ my $project = shift;
+ my @list = git_get_projects_list();
+ return @list && scalar(grep { $_->{'path'} eq $project } @list);
+}
+
+## ----------------------------------------------------------------------
+## HTML aware string manipulation
+
+# Try to chop given string on a word boundary between position
+# $len and $len+$add_len. If there is no word boundary there,
+# chop at $len+$add_len. Do not chop if chopped part plus ellipsis
+# (marking chopped part) would be longer than given string.
+sub chop_str {
+ my $str = shift;
+ my $len = shift;
+ my $add_len = shift || 10;
+ my $where = shift || 'right'; # 'left' | 'center' | 'right'
+
+ # Make sure perl knows it is utf8 encoded so we don't
+ # cut in the middle of a utf8 multibyte char.
+ $str = to_utf8($str);
+
+ # allow only $len chars, but don't cut a word if it would fit in $add_len
+ # if it doesn't fit, cut it if it's still longer than the dots we would add
+ # remove chopped character entities entirely
+
+ # when chopping in the middle, distribute $len into left and right part
+ # return early if chopping wouldn't make string shorter
+ if ($where eq 'center') {
+ return $str if ($len + 5 >= length($str)); # filler is length 5
+ $len = int($len/2);
+ } else {
+ return $str if ($len + 4 >= length($str)); # filler is length 4
+ }
+
+ # regexps: ending and beginning with word part up to $add_len
+ my $endre = qr/.{$len}\w{0,$add_len}/;
+ my $begre = qr/\w{0,$add_len}.{$len}/;
+
+ if ($where eq 'left') {
+ $str =~ m/^(.*?)($begre)$/;
+ my ($lead, $body) = ($1, $2);
+ if (length($lead) > 4) {
+ $lead = " ...";
+ }
+ return "$lead$body";
+
+ } elsif ($where eq 'center') {
+ $str =~ m/^($endre)(.*)$/;
+ my ($left, $str) = ($1, $2);
+ $str =~ m/^(.*?)($begre)$/;
+ my ($mid, $right) = ($1, $2);
+ if (length($mid) > 5) {
+ $mid = " ... ";
+ }
+ return "$left$mid$right";
+
+ } else {
+ $str =~ m/^($endre)(.*)$/;
+ my $body = $1;
+ my $tail = $2;
+ if (length($tail) > 4) {
+ $tail = "... ";
+ }
+ return "$body$tail";
+ }
+}
+
+# takes the same arguments as chop_str, but also wraps a <span> around the
+# result with a title attribute if it does get chopped. Additionally, the
+# string is HTML-escaped.
+sub chop_and_escape_str {
+ my ($str) = @_;
+
+ my $chopped = chop_str(@_);
+ $str = to_utf8($str);
+ if ($chopped eq $str) {
+ return esc_html($chopped);
+ } else {
+ $str =~ s/[[:cntrl:]]/?/g;
+ return $cgi->span({-title=>$str}, esc_html($chopped));
+ }
+}
+
+# Highlight selected fragments of string, using given CSS class,
+# and escape HTML. It is assumed that fragments do not overlap.
+# Regions are passed as list of pairs (array references).
+#
+# Example: esc_html_hl_regions("foobar", "mark", [ 0, 3 ]) returns
+# '<span class="mark">foo</span>bar'
+sub esc_html_hl_regions {
+ my ($str, $css_class, @sel) = @_;
+ my %opts = grep { ref($_) ne 'ARRAY' } @sel;
+ @sel = grep { ref($_) eq 'ARRAY' } @sel;
+ return esc_html($str, %opts) unless @sel;
+
+ my $out = '';
+ my $pos = 0;
+
+ for my $s (@sel) {
+ my ($begin, $end) = @$s;
+
+ # Don't create empty <span> elements.
+ next if $end <= $begin;
+
+ my $escaped = esc_html(substr($str, $begin, $end - $begin),
+ %opts);
+
+ $out .= esc_html(substr($str, $pos, $begin - $pos), %opts)
+ if ($begin - $pos > 0);
+ $out .= $cgi->span({-class => $css_class}, $escaped);
+
+ $pos = $end;
+ }
+ $out .= esc_html(substr($str, $pos), %opts)
+ if ($pos < length($str));
+
+ return $out;
+}
+
+# return positions of beginning and end of each match
+sub matchpos_list {
+ my ($str, $regexp) = @_;
+ return unless (defined $str && defined $regexp);
+
+ my @matches;
+ while ($str =~ /$regexp/g) {
+ push @matches, [$-[0], $+[0]];
+ }
+ return @matches;
+}
+
+# highlight match (if any), and escape HTML
+sub esc_html_match_hl {
+ my ($str, $regexp) = @_;
+ return esc_html($str) unless defined $regexp;
+
+ my @matches = matchpos_list($str, $regexp);
+ return esc_html($str) unless @matches;
+
+ return esc_html_hl_regions($str, 'match', @matches);
+}
+
+
+# highlight match (if any) of shortened string, and escape HTML
+sub esc_html_match_hl_chopped {
+ my ($str, $chopped, $regexp) = @_;
+ return esc_html_match_hl($str, $regexp) unless defined $chopped;
+
+ my @matches = matchpos_list($str, $regexp);
+ return esc_html($chopped) unless @matches;
+
+ # filter matches so that we mark chopped string
+ my $tail = "... "; # see chop_str
+ unless ($chopped =~ s/\Q$tail\E$//) {
+ $tail = '';
+ }
+ my $chop_len = length($chopped);
+ my $tail_len = length($tail);
+ my @filtered;
+
+ for my $m (@matches) {
+ if ($m->[0] > $chop_len) {
+ push @filtered, [ $chop_len, $chop_len + $tail_len ] if ($tail_len > 0);
+ last;
+ } elsif ($m->[1] > $chop_len) {
+ push @filtered, [ $m->[0], $chop_len + $tail_len ];
+ last;
+ }
+ push @filtered, $m;
+ }
+
+ return esc_html_hl_regions($chopped . $tail, 'match', @filtered);
+}
+
+## ----------------------------------------------------------------------
+## functions returning short strings
+
+# CSS class for given age value (in seconds)
+sub age_class {
+ my $age = shift;
+
+ if (!defined $age) {
+ return "noage";
+ } elsif ($age < 60*60*2) {
+ return "age0";
+ } elsif ($age < 60*60*24*2) {
+ return "age1";
+ } else {
+ return "age2";
+ }
+}
+
+# convert age in seconds to "nn units ago" string
+sub age_string {
+ my $age = shift;
+ my $age_str;
+
+ if ($age > 60*60*24*365*2) {
+ $age_str = (int $age/60/60/24/365);
+ $age_str .= " years ago";
+ } elsif ($age > 60*60*24*(365/12)*2) {
+ $age_str = int $age/60/60/24/(365/12);
+ $age_str .= " months ago";
+ } elsif ($age > 60*60*24*7*2) {
+ $age_str = int $age/60/60/24/7;
+ $age_str .= " weeks ago";
+ } elsif ($age > 60*60*24*2) {
+ $age_str = int $age/60/60/24;
+ $age_str .= " days ago";
+ } elsif ($age > 60*60*2) {
+ $age_str = int $age/60/60;
+ $age_str .= " hours ago";
+ } elsif ($age > 60*2) {
+ $age_str = int $age/60;
+ $age_str .= " min ago";
+ } elsif ($age > 2) {
+ $age_str = int $age;
+ $age_str .= " sec ago";
+ } else {
+ $age_str .= " right now";
+ }
+ return $age_str;
+}
+
+use constant {
+ S_IFINVALID => 0030000,
+ S_IFGITLINK => 0160000,
+};
+
+# submodule/subproject, a commit object reference
+sub S_ISGITLINK {
+ my $mode = shift;
+
+ return (($mode & S_IFMT) == S_IFGITLINK)
+}
+
+# convert file mode in octal to symbolic file mode string
+sub mode_str {
+ my $mode = oct shift;
+
+ if (S_ISGITLINK($mode)) {
+ return 'm---------';
+ } elsif (S_ISDIR($mode & S_IFMT)) {
+ return 'drwxr-xr-x';
+ } elsif (S_ISLNK($mode)) {
+ return 'lrwxrwxrwx';
+ } elsif (S_ISREG($mode)) {
+ # git cares only about the executable bit
+ if ($mode & S_IXUSR) {
+ return '-rwxr-xr-x';
+ } else {
+ return '-rw-r--r--';
+ };
+ } else {
+ return '----------';
+ }
+}
+
+# convert file mode in octal to file type string
+sub file_type {
+ my $mode = shift;
+
+ if ($mode !~ m/^[0-7]+$/) {
+ return $mode;
+ } else {
+ $mode = oct $mode;
+ }
+
+ if (S_ISGITLINK($mode)) {
+ return "submodule";
+ } elsif (S_ISDIR($mode & S_IFMT)) {
+ return "directory";
+ } elsif (S_ISLNK($mode)) {
+ return "symlink";
+ } elsif (S_ISREG($mode)) {
+ return "file";
+ } else {
+ return "unknown";
+ }
+}
+
+# convert file mode in octal to file type description string
+sub file_type_long {
+ my $mode = shift;
+
+ if ($mode !~ m/^[0-7]+$/) {
+ return $mode;
+ } else {
+ $mode = oct $mode;
+ }
+
+ if (S_ISGITLINK($mode)) {
+ return "submodule";
+ } elsif (S_ISDIR($mode & S_IFMT)) {
+ return "directory";
+ } elsif (S_ISLNK($mode)) {
+ return "symlink";
+ } elsif (S_ISREG($mode)) {
+ if ($mode & S_IXUSR) {
+ return "executable";
+ } else {
+ return "file";
+ };
+ } else {
+ return "unknown";
+ }
+}
+
+
+## ----------------------------------------------------------------------
+## functions returning short HTML fragments, or transforming HTML fragments
+## which don't belong to other sections
+
+# format line of commit message.
+sub format_log_line_html {
+ my $line = shift;
+
+ # Potentially abbreviated OID.
+ my $regex = oid_nlen_regex("7,64");
+
+ $line = esc_html($line, -nbsp=>1);
+ $line =~ s{
+ \b
+ (
+ # The output of "git describe", e.g. v2.10.0-297-gf6727b0
+ # or hadoop-20160921-113441-20-g094fb7d
+ (?<!-) # see strbuf_check_tag_ref(). Tags can't start with -
+ [A-Za-z0-9.-]+
+ (?!\.) # refs can't end with ".", see check_refname_format()
+ -g$regex
+ |
+ # Just a normal looking Git SHA1
+ $regex
+ )
+ \b
+ }{
+ $cgi->a({-href => href(action=>"object", hash=>$1),
+ -class => "text"}, $1);
+ }egx;
+
+ return $line;
+}
+
+# format marker of refs pointing to given object
+
+# the destination action is chosen based on object type and current context:
+# - for annotated tags, we choose the tag view unless it's the current view
+# already, in which case we go to shortlog view
+# - for other refs, we keep the current view if we're in history, shortlog or
+# log view, and select shortlog otherwise
+sub format_ref_marker {
+ my ($refs, $id) = @_;
+ my $markers = '';
+
+ if (defined $refs->{$id}) {
+ foreach my $ref (@{$refs->{$id}}) {
+ # this code exploits the fact that non-lightweight tags are the
+ # only indirect objects, and that they are the only objects for which
+ # we want to use tag instead of shortlog as action
+ my ($type, $name) = qw();
+ my $indirect = ($ref =~ s/\^\{\}$//);
+ # e.g. tags/v2.6.11 or heads/next
+ if ($ref =~ m!^(.*?)s?/(.*)$!) {
+ $type = $1;
+ $name = $2;
+ } else {
+ $type = "ref";
+ $name = $ref;
+ }
+
+ my $class = $type;
+ $class .= " indirect" if $indirect;
+
+ my $dest_action = "shortlog";
+
+ if ($indirect) {
+ $dest_action = "tag" unless $action eq "tag";
+ } elsif ($action =~ /^(history|(short)?log)$/) {
+ $dest_action = $action;
+ }
+
+ my $dest = "";
+ $dest .= "refs/" unless $ref =~ m!^refs/!;
+ $dest .= $ref;
+
+ my $link = $cgi->a({
+ -href => href(
+ action=>$dest_action,
+ hash=>$dest
+ )}, esc_html($name));
+
+ $markers .= " <span class=\"".esc_attr($class)."\" title=\"".esc_attr($ref)."\">" .
+ $link . "</span>";
+ }
+ }
+
+ if ($markers) {
+ return ' <span class="refs">'. $markers . '</span>';
+ } else {
+ return "";
+ }
+}
+
+# format, perhaps shortened and with markers, title line
+sub format_subject_html {
+ my ($long, $short, $href, $extra) = @_;
+ $extra = '' unless defined($extra);
+
+ if (length($short) < length($long)) {
+ $long =~ s/[[:cntrl:]]/?/g;
+ return $cgi->a({-href => $href, -class => "list subject",
+ -title => to_utf8($long)},
+ esc_html($short)) . $extra;
+ } else {
+ return $cgi->a({-href => $href, -class => "list subject"},
+ esc_html($long)) . $extra;
+ }
+}
+
+# Rather than recomputing the url for an email multiple times, we cache it
+# after the first hit. This gives a visible benefit in views where the avatar
+# for the same email is used repeatedly (e.g. shortlog).
+# The cache is shared by all avatar engines (currently gravatar only), which
+# are free to use it as preferred. Since only one avatar engine is used for any
+# given page, there's no risk for cache conflicts.
+our %avatar_cache = ();
+
+# Compute the picon url for a given email, by using the picon search service over at
+# http://www.cs.indiana.edu/picons/search.html
+sub picon_url {
+ my $email = lc shift;
+ if (!$avatar_cache{$email}) {
+ my ($user, $domain) = split('@', $email);
+ $avatar_cache{$email} =
+ "//www.cs.indiana.edu/cgi-pub/kinzler/piconsearch.cgi/" .
+ "$domain/$user/" .
+ "users+domains+unknown/up/single";
+ }
+ return $avatar_cache{$email};
+}
+
+# Compute the gravatar url for a given email, if it's not in the cache already.
+# Gravatar stores only the part of the URL before the size, since that's the
+# one computationally more expensive. This also allows reuse of the cache for
+# different sizes (for this particular engine).
+sub gravatar_url {
+ my $email = lc shift;
+ my $size = shift;
+ $avatar_cache{$email} ||=
+ "//www.gravatar.com/avatar/" .
+ md5_hex($email) . "?s=";
+ return $avatar_cache{$email} . $size;
+}
+
+# Insert an avatar for the given $email at the given $size if the feature
+# is enabled.
+sub git_get_avatar {
+ my ($email, %opts) = @_;
+ my $pre_white = ($opts{-pad_before} ? "&nbsp;" : "");
+ my $post_white = ($opts{-pad_after} ? "&nbsp;" : "");
+ $opts{-size} ||= 'default';
+ my $size = $avatar_size{$opts{-size}} || $avatar_size{'default'};
+ my $url = "";
+ if ($git_avatar eq 'gravatar') {
+ $url = gravatar_url($email, $size);
+ } elsif ($git_avatar eq 'picon') {
+ $url = picon_url($email);
+ }
+ # Other providers can be added by extending the if chain, defining $url
+ # as needed. If no variant puts something in $url, we assume avatars
+ # are completely disabled/unavailable.
+ if ($url) {
+ return $pre_white .
+ "<img width=\"$size\" " .
+ "class=\"avatar\" " .
+ "src=\"".esc_url($url)."\" " .
+ "alt=\"\" " .
+ "/>" . $post_white;
+ } else {
+ return "";
+ }
+}
+
+sub format_search_author {
+ my ($author, $searchtype, $displaytext) = @_;
+ my $have_search = gitweb_check_feature('search');
+
+ if ($have_search) {
+ my $performed = "";
+ if ($searchtype eq 'author') {
+ $performed = "authored";
+ } elsif ($searchtype eq 'committer') {
+ $performed = "committed";
+ }
+
+ return $cgi->a({-href => href(action=>"search", hash=>$hash,
+ searchtext=>$author,
+ searchtype=>$searchtype), class=>"list",
+ title=>"Search for commits $performed by $author"},
+ $displaytext);
+
+ } else {
+ return $displaytext;
+ }
+}
+
+# format the author name of the given commit with the given tag
+# the author name is chopped and escaped according to the other
+# optional parameters (see chop_str).
+sub format_author_html {
+ my $tag = shift;
+ my $co = shift;
+ my $author = chop_and_escape_str($co->{'author_name'}, @_);
+ return "<$tag class=\"author\">" .
+ format_search_author($co->{'author_name'}, "author",
+ git_get_avatar($co->{'author_email'}, -pad_after => 1) .
+ $author) .
+ "</$tag>";
+}
+
+# format git diff header line, i.e. "diff --(git|combined|cc) ..."
+sub format_git_diff_header_line {
+ my $line = shift;
+ my $diffinfo = shift;
+ my ($from, $to) = @_;
+
+ if ($diffinfo->{'nparents'}) {
+ # combined diff
+ $line =~ s!^(diff (.*?) )"?.*$!$1!;
+ if ($to->{'href'}) {
+ $line .= $cgi->a({-href => $to->{'href'}, -class => "path"},
+ esc_path($to->{'file'}));
+ } else { # file was deleted (no href)
+ $line .= esc_path($to->{'file'});
+ }
+ } else {
+ # "ordinary" diff
+ $line =~ s!^(diff (.*?) )"?a/.*$!$1!;
+ if ($from->{'href'}) {
+ $line .= $cgi->a({-href => $from->{'href'}, -class => "path"},
+ 'a/' . esc_path($from->{'file'}));
+ } else { # file was added (no href)
+ $line .= 'a/' . esc_path($from->{'file'});
+ }
+ $line .= ' ';
+ if ($to->{'href'}) {
+ $line .= $cgi->a({-href => $to->{'href'}, -class => "path"},
+ 'b/' . esc_path($to->{'file'}));
+ } else { # file was deleted
+ $line .= 'b/' . esc_path($to->{'file'});
+ }
+ }
+
+ return "<div class=\"diff header\">$line</div>\n";
+}
+
+# format extended diff header line, before patch itself
+sub format_extended_diff_header_line {
+ my $line = shift;
+ my $diffinfo = shift;
+ my ($from, $to) = @_;
+
+ # match <path>
+ if ($line =~ s!^((copy|rename) from ).*$!$1! && $from->{'href'}) {
+ $line .= $cgi->a({-href=>$from->{'href'}, -class=>"path"},
+ esc_path($from->{'file'}));
+ }
+ if ($line =~ s!^((copy|rename) to ).*$!$1! && $to->{'href'}) {
+ $line .= $cgi->a({-href=>$to->{'href'}, -class=>"path"},
+ esc_path($to->{'file'}));
+ }
+ # match single <mode>
+ if ($line =~ m/\s(\d{6})$/) {
+ $line .= '<span class="info"> (' .
+ file_type_long($1) .
+ ')</span>';
+ }
+ # match <hash>
+ if ($line =~ oid_nlen_prefix_infix_regex($sha1_len, "index ", ",") |
+ $line =~ oid_nlen_prefix_infix_regex($sha256_len, "index ", ",")) {
+ # can match only for combined diff
+ $line = 'index ';
+ for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
+ if ($from->{'href'}[$i]) {
+ $line .= $cgi->a({-href=>$from->{'href'}[$i],
+ -class=>"hash"},
+ substr($diffinfo->{'from_id'}[$i],0,7));
+ } else {
+ $line .= '0' x 7;
+ }
+ # separator
+ $line .= ',' if ($i < $diffinfo->{'nparents'} - 1);
+ }
+ $line .= '..';
+ if ($to->{'href'}) {
+ $line .= $cgi->a({-href=>$to->{'href'}, -class=>"hash"},
+ substr($diffinfo->{'to_id'},0,7));
+ } else {
+ $line .= '0' x 7;
+ }
+
+ } elsif ($line =~ oid_nlen_prefix_infix_regex($sha1_len, "index ", "..") |
+ $line =~ oid_nlen_prefix_infix_regex($sha256_len, "index ", "..")) {
+ # can match only for ordinary diff
+ my ($from_link, $to_link);
+ if ($from->{'href'}) {
+ $from_link = $cgi->a({-href=>$from->{'href'}, -class=>"hash"},
+ substr($diffinfo->{'from_id'},0,7));
+ } else {
+ $from_link = '0' x 7;
+ }
+ if ($to->{'href'}) {
+ $to_link = $cgi->a({-href=>$to->{'href'}, -class=>"hash"},
+ substr($diffinfo->{'to_id'},0,7));
+ } else {
+ $to_link = '0' x 7;
+ }
+ my ($from_id, $to_id) = ($diffinfo->{'from_id'}, $diffinfo->{'to_id'});
+ $line =~ s!$from_id\.\.$to_id!$from_link..$to_link!;
+ }
+
+ return $line . "<br/>\n";
+}
+
+# format from-file/to-file diff header
+sub format_diff_from_to_header {
+ my ($from_line, $to_line, $diffinfo, $from, $to, @parents) = @_;
+ my $line;
+ my $result = '';
+
+ $line = $from_line;
+ #assert($line =~ m/^---/) if DEBUG;
+ # no extra formatting for "^--- /dev/null"
+ if (! $diffinfo->{'nparents'}) {
+ # ordinary (single parent) diff
+ if ($line =~ m!^--- "?a/!) {
+ if ($from->{'href'}) {
+ $line = '--- a/' .
+ $cgi->a({-href=>$from->{'href'}, -class=>"path"},
+ esc_path($from->{'file'}));
+ } else {
+ $line = '--- a/' .
+ esc_path($from->{'file'});
+ }
+ }
+ $result .= qq!<div class="diff from_file">$line</div>\n!;
+
+ } else {
+ # combined diff (merge commit)
+ for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
+ if ($from->{'href'}[$i]) {
+ $line = '--- ' .
+ $cgi->a({-href=>href(action=>"blobdiff",
+ hash_parent=>$diffinfo->{'from_id'}[$i],
+ hash_parent_base=>$parents[$i],
+ file_parent=>$from->{'file'}[$i],
+ hash=>$diffinfo->{'to_id'},
+ hash_base=>$hash,
+ file_name=>$to->{'file'}),
+ -class=>"path",
+ -title=>"diff" . ($i+1)},
+ $i+1) .
+ '/' .
+ $cgi->a({-href=>$from->{'href'}[$i], -class=>"path"},
+ esc_path($from->{'file'}[$i]));
+ } else {
+ $line = '--- /dev/null';
+ }
+ $result .= qq!<div class="diff from_file">$line</div>\n!;
+ }
+ }
+
+ $line = $to_line;
+ #assert($line =~ m/^\+\+\+/) if DEBUG;
+ # no extra formatting for "^+++ /dev/null"
+ if ($line =~ m!^\+\+\+ "?b/!) {
+ if ($to->{'href'}) {
+ $line = '+++ b/' .
+ $cgi->a({-href=>$to->{'href'}, -class=>"path"},
+ esc_path($to->{'file'}));
+ } else {
+ $line = '+++ b/' .
+ esc_path($to->{'file'});
+ }
+ }
+ $result .= qq!<div class="diff to_file">$line</div>\n!;
+
+ return $result;
+}
+
+# create note for patch simplified by combined diff
+sub format_diff_cc_simplified {
+ my ($diffinfo, @parents) = @_;
+ my $result = '';
+
+ $result .= "<div class=\"diff header\">" .
+ "diff --cc ";
+ if (!is_deleted($diffinfo)) {
+ $result .= $cgi->a({-href => href(action=>"blob",
+ hash_base=>$hash,
+ hash=>$diffinfo->{'to_id'},
+ file_name=>$diffinfo->{'to_file'}),
+ -class => "path"},
+ esc_path($diffinfo->{'to_file'}));
+ } else {
+ $result .= esc_path($diffinfo->{'to_file'});
+ }
+ $result .= "</div>\n" . # class="diff header"
+ "<div class=\"diff nodifferences\">" .
+ "Simple merge" .
+ "</div>\n"; # class="diff nodifferences"
+
+ return $result;
+}
+
+sub diff_line_class {
+ my ($line, $from, $to) = @_;
+
+ # ordinary diff
+ my $num_sign = 1;
+ # combined diff
+ if ($from && $to && ref($from->{'href'}) eq "ARRAY") {
+ $num_sign = scalar @{$from->{'href'}};
+ }
+
+ my @diff_line_classifier = (
+ { regexp => qr/^\@\@{$num_sign} /, class => "chunk_header"},
+ { regexp => qr/^\\/, class => "incomplete" },
+ { regexp => qr/^ {$num_sign}/, class => "ctx" },
+ # classifier for context must come before classifier add/rem,
+ # or we would have to use more complicated regexp, for example
+ # qr/(?= {0,$m}\+)[+ ]{$num_sign}/, where $m = $num_sign - 1;
+ { regexp => qr/^[+ ]{$num_sign}/, class => "add" },
+ { regexp => qr/^[- ]{$num_sign}/, class => "rem" },
+ );
+ for my $clsfy (@diff_line_classifier) {
+ return $clsfy->{'class'}
+ if ($line =~ $clsfy->{'regexp'});
+ }
+
+ # fallback
+ return "";
+}
+
+# assumes that $from and $to are defined and correctly filled,
+# and that $line holds a line of chunk header for unified diff
+sub format_unidiff_chunk_header {
+ my ($line, $from, $to) = @_;
+
+ my ($from_text, $from_start, $from_lines, $to_text, $to_start, $to_lines, $section) =
+ $line =~ m/^\@{2} (-(\d+)(?:,(\d+))?) (\+(\d+)(?:,(\d+))?) \@{2}(.*)$/;
+
+ $from_lines = 0 unless defined $from_lines;
+ $to_lines = 0 unless defined $to_lines;
+
+ if ($from->{'href'}) {
+ $from_text = $cgi->a({-href=>"$from->{'href'}#l$from_start",
+ -class=>"list"}, $from_text);
+ }
+ if ($to->{'href'}) {
+ $to_text = $cgi->a({-href=>"$to->{'href'}#l$to_start",
+ -class=>"list"}, $to_text);
+ }
+ $line = "<span class=\"chunk_info\">@@ $from_text $to_text @@</span>" .
+ "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
+ return $line;
+}
+
+# assumes that $from and $to are defined and correctly filled,
+# and that $line holds a line of chunk header for combined diff
+sub format_cc_diff_chunk_header {
+ my ($line, $from, $to) = @_;
+
+ my ($prefix, $ranges, $section) = $line =~ m/^(\@+) (.*?) \@+(.*)$/;
+ my (@from_text, @from_start, @from_nlines, $to_text, $to_start, $to_nlines);
+
+ @from_text = split(' ', $ranges);
+ for (my $i = 0; $i < @from_text; ++$i) {
+ ($from_start[$i], $from_nlines[$i]) =
+ (split(',', substr($from_text[$i], 1)), 0);
+ }
+
+ $to_text = pop @from_text;
+ $to_start = pop @from_start;
+ $to_nlines = pop @from_nlines;
+
+ $line = "<span class=\"chunk_info\">$prefix ";
+ for (my $i = 0; $i < @from_text; ++$i) {
+ if ($from->{'href'}[$i]) {
+ $line .= $cgi->a({-href=>"$from->{'href'}[$i]#l$from_start[$i]",
+ -class=>"list"}, $from_text[$i]);
+ } else {
+ $line .= $from_text[$i];
+ }
+ $line .= " ";
+ }
+ if ($to->{'href'}) {
+ $line .= $cgi->a({-href=>"$to->{'href'}#l$to_start",
+ -class=>"list"}, $to_text);
+ } else {
+ $line .= $to_text;
+ }
+ $line .= " $prefix</span>" .
+ "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
+ return $line;
+}
+
+# process patch (diff) line (not to be used for diff headers),
+# returning HTML-formatted (but not wrapped) line.
+# If the line is passed as a reference, it is treated as HTML and not
+# esc_html()'ed.
+sub format_diff_line {
+ my ($line, $diff_class, $from, $to) = @_;
+
+ if (ref($line)) {
+ $line = $$line;
+ } else {
+ chomp $line;
+ $line = untabify($line);
+
+ if ($from && $to && $line =~ m/^\@{2} /) {
+ $line = format_unidiff_chunk_header($line, $from, $to);
+ } elsif ($from && $to && $line =~ m/^\@{3}/) {
+ $line = format_cc_diff_chunk_header($line, $from, $to);
+ } else {
+ $line = esc_html($line, -nbsp=>1);
+ }
+ }
+
+ my $diff_classes = "diff";
+ $diff_classes .= " $diff_class" if ($diff_class);
+ $line = "<div class=\"$diff_classes\">$line</div>\n";
+
+ return $line;
+}
+
+# Generates undef or something like "_snapshot_" or "snapshot (_tbz2_ _zip_)",
+# linked. Pass the hash of the tree/commit to snapshot.
+sub format_snapshot_links {
+ my ($hash) = @_;
+ my $num_fmts = @snapshot_fmts;
+ if ($num_fmts > 1) {
+ # A parenthesized list of links bearing format names.
+ # e.g. "snapshot (_tar.gz_ _zip_)"
+ return "snapshot (" . join(' ', map
+ $cgi->a({
+ -href => href(
+ action=>"snapshot",
+ hash=>$hash,
+ snapshot_format=>$_
+ )
+ }, $known_snapshot_formats{$_}{'display'})
+ , @snapshot_fmts) . ")";
+ } elsif ($num_fmts == 1) {
+ # A single "snapshot" link whose tooltip bears the format name.
+ # i.e. "_snapshot_"
+ my ($fmt) = @snapshot_fmts;
+ return
+ $cgi->a({
+ -href => href(
+ action=>"snapshot",
+ hash=>$hash,
+ snapshot_format=>$fmt
+ ),
+ -title => "in format: $known_snapshot_formats{$fmt}{'display'}"
+ }, "snapshot");
+ } else { # $num_fmts == 0
+ return undef;
+ }
+}
+
+## ......................................................................
+## functions returning values to be passed, perhaps after some
+## transformation, to other functions; e.g. returning arguments to href()
+
+# returns hash to be passed to href to generate gitweb URL
+# in -title key it returns description of link
+sub get_feed_info {
+ my $format = shift || 'Atom';
+ my %res = (action => lc($format));
+ my $matched_ref = 0;
+
+ # feed links are possible only for project views
+ return unless (defined $project);
+ # some views should link to OPML, or to generic project feed,
+ # or don't have specific feed yet (so they should use generic)
+ return if (!$action || $action =~ /^(?:tags|heads|forks|tag|search)$/x);
+
+ my $branch = undef;
+ # branches refs uses 'refs/' + $get_branch_refs()[x] + '/' prefix
+ # (fullname) to differentiate from tag links; this also makes
+ # possible to detect branch links
+ for my $ref (get_branch_refs()) {
+ if ((defined $hash_base && $hash_base =~ m!^refs/\Q$ref\E/(.*)$!) ||
+ (defined $hash && $hash =~ m!^refs/\Q$ref\E/(.*)$!)) {
+ $branch = $1;
+ $matched_ref = $ref;
+ last;
+ }
+ }
+ # find log type for feed description (title)
+ my $type = 'log';
+ if (defined $file_name) {
+ $type = "history of $file_name";
+ $type .= "/" if ($action eq 'tree');
+ $type .= " on '$branch'" if (defined $branch);
+ } else {
+ $type = "log of $branch" if (defined $branch);
+ }
+
+ $res{-title} = $type;
+ $res{'hash'} = (defined $branch ? "refs/$matched_ref/$branch" : undef);
+ $res{'file_name'} = $file_name;
+
+ return %res;
+}
+
+## ----------------------------------------------------------------------
+## git utility subroutines, invoking git commands
+
+# returns path to the core git executable and the --git-dir parameter as list
+sub git_cmd {
+ $number_of_git_cmds++;
+ return $GIT, '--git-dir='.$git_dir;
+}
+
+# quote the given arguments for passing them to the shell
+# quote_command("command", "arg 1", "arg with ' and ! characters")
+# => "'command' 'arg 1' 'arg with '\'' and '\!' characters'"
+# Try to avoid using this function wherever possible.
+sub quote_command {
+ return join(' ',
+ map { my $a = $_; $a =~ s/(['!])/'\\$1'/g; "'$a'" } @_ );
+}
+
+# get HEAD ref of given project as hash
+sub git_get_head_hash {
+ return git_get_full_hash(shift, 'HEAD');
+}
+
+sub git_get_full_hash {
+ return git_get_hash(@_);
+}
+
+sub git_get_short_hash {
+ return git_get_hash(@_, '--short=7');
+}
+
+sub git_get_hash {
+ my ($project, $hash, @options) = @_;
+ my $o_git_dir = $git_dir;
+ my $retval = undef;
+ $git_dir = "$projectroot/$project";
+ if (open my $fd, '-|', git_cmd(), 'rev-parse',
+ '--verify', '-q', @options, $hash) {
+ $retval = <$fd>;
+ chomp $retval if defined $retval;
+ close $fd;
+ }
+ if (defined $o_git_dir) {
+ $git_dir = $o_git_dir;
+ }
+ return $retval;
+}
+
+# get type of given object
+sub git_get_type {
+ my $hash = shift;
+
+ open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
+ my $type = <$fd>;
+ close $fd or return;
+ chomp $type;
+ return $type;
+}
+
+# repository configuration
+our $config_file = '';
+our %config;
+
+# store multiple values for single key as anonymous array reference
+# single values stored directly in the hash, not as [ <value> ]
+sub hash_set_multi {
+ my ($hash, $key, $value) = @_;
+
+ if (!exists $hash->{$key}) {
+ $hash->{$key} = $value;
+ } elsif (!ref $hash->{$key}) {
+ $hash->{$key} = [ $hash->{$key}, $value ];
+ } else {
+ push @{$hash->{$key}}, $value;
+ }
+}
+
+# return hash of git project configuration
+# optionally limited to some section, e.g. 'gitweb'
+sub git_parse_project_config {
+ my $section_regexp = shift;
+ my %config;
+
+ local $/ = "\0";
+
+ open my $fh, "-|", git_cmd(), "config", '-z', '-l',
+ or return;
+
+ while (my $keyval = <$fh>) {
+ chomp $keyval;
+ my ($key, $value) = split(/\n/, $keyval, 2);
+
+ hash_set_multi(\%config, $key, $value)
+ if (!defined $section_regexp || $key =~ /^(?:$section_regexp)\./o);
+ }
+ close $fh;
+
+ return %config;
+}
+
+# convert config value to boolean: 'true' or 'false'
+# no value, number > 0, 'true' and 'yes' values are true
+# rest of values are treated as false (never as error)
+sub config_to_bool {
+ my $val = shift;
+
+ return 1 if !defined $val; # section.key
+
+ # strip leading and trailing whitespace
+ $val =~ s/^\s+//;
+ $val =~ s/\s+$//;
+
+ return (($val =~ /^\d+$/ && $val) || # section.key = 1
+ ($val =~ /^(?:true|yes)$/i)); # section.key = true
+}
+
+# convert config value to simple decimal number
+# an optional value suffix of 'k', 'm', or 'g' will cause the value
+# to be multiplied by 1024, 1048576, or 1073741824
+sub config_to_int {
+ my $val = shift;
+
+ # strip leading and trailing whitespace
+ $val =~ s/^\s+//;
+ $val =~ s/\s+$//;
+
+ if (my ($num, $unit) = ($val =~ /^([0-9]*)([kmg])$/i)) {
+ $unit = lc($unit);
+ # unknown unit is treated as 1
+ return $num * ($unit eq 'g' ? 1073741824 :
+ $unit eq 'm' ? 1048576 :
+ $unit eq 'k' ? 1024 : 1);
+ }
+ return $val;
+}
+
+# convert config value to array reference, if needed
+sub config_to_multi {
+ my $val = shift;
+
+ return ref($val) ? $val : (defined($val) ? [ $val ] : []);
+}
+
+sub git_get_project_config {
+ my ($key, $type) = @_;
+
+ return unless defined $git_dir;
+
+ # key sanity check
+ return unless ($key);
+ # only subsection, if exists, is case sensitive,
+ # and not lowercased by 'git config -z -l'
+ if (my ($hi, $mi, $lo) = ($key =~ /^([^.]*)\.(.*)\.([^.]*)$/)) {
+ $lo =~ s/_//g;
+ $key = join(".", lc($hi), $mi, lc($lo));
+ return if ($lo =~ /\W/ || $hi =~ /\W/);
+ } else {
+ $key = lc($key);
+ $key =~ s/_//g;
+ return if ($key =~ /\W/);
+ }
+ $key =~ s/^gitweb\.//;
+
+ # type sanity check
+ if (defined $type) {
+ $type =~ s/^--//;
+ $type = undef
+ unless ($type eq 'bool' || $type eq 'int');
+ }
+
+ # get config
+ if (!defined $config_file ||
+ $config_file ne "$git_dir/config") {
+ %config = git_parse_project_config('gitweb');
+ $config_file = "$git_dir/config";
+ }
+
+ # check if config variable (key) exists
+ return unless exists $config{"gitweb.$key"};
+
+ # ensure given type
+ if (!defined $type) {
+ return $config{"gitweb.$key"};
+ } elsif ($type eq 'bool') {
+ # backward compatibility: 'git config --bool' returns true/false
+ return config_to_bool($config{"gitweb.$key"}) ? 'true' : 'false';
+ } elsif ($type eq 'int') {
+ return config_to_int($config{"gitweb.$key"});
+ }
+ return $config{"gitweb.$key"};
+}
+
+# get hash of given path at given ref
+sub git_get_hash_by_path {
+ my $base = shift;
+ my $path = shift || return undef;
+ my $type = shift;
+
+ $path =~ s,/+$,,;
+
+ open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
+ or die_error(500, "Open git-ls-tree failed");
+ my $line = <$fd>;
+ close $fd or return undef;
+
+ if (!defined $line) {
+ # there is no tree or hash given by $path at $base
+ return undef;
+ }
+
+ #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
+ $line =~ m/^([0-9]+) (.+) ($oid_regex)\t/;
+ if (defined $type && $type ne $2) {
+ # type doesn't match
+ return undef;
+ }
+ return $3;
+}
+
+# get path of entry with given hash at given tree-ish (ref)
+# used to get 'from' filename for combined diff (merge commit) for renames
+sub git_get_path_by_hash {
+ my $base = shift || return;
+ my $hash = shift || return;
+
+ local $/ = "\0";
+
+ open my $fd, "-|", git_cmd(), "ls-tree", '-r', '-t', '-z', $base
+ or return undef;
+ while (my $line = <$fd>) {
+ chomp $line;
+
+ #'040000 tree 595596a6a9117ddba9fe379b6b012b558bac8423 gitweb'
+ #'100644 blob e02e90f0429be0d2a69b76571101f20b8f75530f gitweb/README'
+ if ($line =~ m/(?:[0-9]+) (?:.+) $hash\t(.+)$/) {
+ close $fd;
+ return $1;
+ }
+ }
+ close $fd;
+ return undef;
+}
+
+## ......................................................................
+## git utility functions, directly accessing git repository
+
+# get the value of config variable either from file named as the variable
+# itself in the repository ($GIT_DIR/$name file), or from gitweb.$name
+# configuration variable in the repository config file.
+sub git_get_file_or_project_config {
+ my ($path, $name) = @_;
+
+ $git_dir = "$projectroot/$path";
+ open my $fd, '<', "$git_dir/$name"
+ or return git_get_project_config($name);
+ my $conf = <$fd>;
+ close $fd;
+ if (defined $conf) {
+ chomp $conf;
+ }
+ return $conf;
+}
+
+sub git_get_project_description {
+ my $path = shift;
+ return git_get_file_or_project_config($path, 'description');
+}
+
+sub git_get_project_category {
+ my $path = shift;
+ return git_get_file_or_project_config($path, 'category');
+}
+
+
+# supported formats:
+# * $GIT_DIR/ctags/<tagname> file (in 'ctags' subdirectory)
+# - if its contents is a number, use it as tag weight,
+# - otherwise add a tag with weight 1
+# * $GIT_DIR/ctags file, each line is a tag (with weight 1)
+# the same value multiple times increases tag weight
+# * `gitweb.ctag' multi-valued repo config variable
+sub git_get_project_ctags {
+ my $project = shift;
+ my $ctags = {};
+
+ $git_dir = "$projectroot/$project";
+ if (opendir my $dh, "$git_dir/ctags") {
+ my @files = grep { -f $_ } map { "$git_dir/ctags/$_" } readdir($dh);
+ foreach my $tagfile (@files) {
+ open my $ct, '<', $tagfile
+ or next;
+ my $val = <$ct>;
+ chomp $val if $val;
+ close $ct;
+
+ (my $ctag = $tagfile) =~ s#.*/##;
+ if ($val =~ /^\d+$/) {
+ $ctags->{$ctag} = $val;
+ } else {
+ $ctags->{$ctag} = 1;
+ }
+ }
+ closedir $dh;
+
+ } elsif (open my $fh, '<', "$git_dir/ctags") {
+ while (my $line = <$fh>) {
+ chomp $line;
+ $ctags->{$line}++ if $line;
+ }
+ close $fh;
+
+ } else {
+ my $taglist = config_to_multi(git_get_project_config('ctag'));
+ foreach my $tag (@$taglist) {
+ $ctags->{$tag}++;
+ }
+ }
+
+ return $ctags;
+}
+
+# return hash, where keys are content tags ('ctags'),
+# and values are sum of weights of given tag in every project
+sub git_gather_all_ctags {
+ my $projects = shift;
+ my $ctags = {};
+
+ foreach my $p (@$projects) {
+ foreach my $ct (keys %{$p->{'ctags'}}) {
+ $ctags->{$ct} += $p->{'ctags'}->{$ct};
+ }
+ }
+
+ return $ctags;
+}
+
+sub git_populate_project_tagcloud {
+ my $ctags = shift;
+
+ # First, merge different-cased tags; tags vote on casing
+ my %ctags_lc;
+ foreach (keys %$ctags) {
+ $ctags_lc{lc $_}->{count} += $ctags->{$_};
+ if (not $ctags_lc{lc $_}->{topcount}
+ or $ctags_lc{lc $_}->{topcount} < $ctags->{$_}) {
+ $ctags_lc{lc $_}->{topcount} = $ctags->{$_};
+ $ctags_lc{lc $_}->{topname} = $_;
+ }
+ }
+
+ my $cloud;
+ my $matched = $input_params{'ctag'};
+ if (eval { require HTML::TagCloud; 1; }) {
+ $cloud = HTML::TagCloud->new;
+ foreach my $ctag (sort keys %ctags_lc) {
+ # Pad the title with spaces so that the cloud looks
+ # less crammed.
+ my $title = esc_html($ctags_lc{$ctag}->{topname});
+ $title =~ s/ /&nbsp;/g;
+ $title =~ s/^/&nbsp;/g;
+ $title =~ s/$/&nbsp;/g;
+ if (defined $matched && $matched eq $ctag) {
+ $title = qq(<span class="match">$title</span>);
+ }
+ $cloud->add($title, href(project=>undef, ctag=>$ctag),
+ $ctags_lc{$ctag}->{count});
+ }
+ } else {
+ $cloud = {};
+ foreach my $ctag (keys %ctags_lc) {
+ my $title = esc_html($ctags_lc{$ctag}->{topname}, -nbsp=>1);
+ if (defined $matched && $matched eq $ctag) {
+ $title = qq(<span class="match">$title</span>);
+ }
+ $cloud->{$ctag}{count} = $ctags_lc{$ctag}->{count};
+ $cloud->{$ctag}{ctag} =
+ $cgi->a({-href=>href(project=>undef, ctag=>$ctag)}, $title);
+ }
+ }
+ return $cloud;
+}
+
+sub git_show_project_tagcloud {
+ my ($cloud, $count) = @_;
+ if (ref $cloud eq 'HTML::TagCloud') {
+ return $cloud->html_and_css($count);
+ } else {
+ my @tags = sort { $cloud->{$a}->{'count'} <=> $cloud->{$b}->{'count'} } keys %$cloud;
+ return
+ '<div id="htmltagcloud"'.($project ? '' : ' align="center"').'>' .
+ join (', ', map {
+ $cloud->{$_}->{'ctag'}
+ } splice(@tags, 0, $count)) .
+ '</div>';
+ }
+}
+
+sub git_get_project_url_list {
+ my $path = shift;
+
+ $git_dir = "$projectroot/$path";
+ open my $fd, '<', "$git_dir/cloneurl"
+ or return wantarray ?
+ @{ config_to_multi(git_get_project_config('url')) } :
+ config_to_multi(git_get_project_config('url'));
+ my @git_project_url_list = map { chomp; $_ } <$fd>;
+ close $fd;
+
+ return wantarray ? @git_project_url_list : \@git_project_url_list;
+}
+
+sub git_get_projects_list {
+ my $filter = shift || '';
+ my $paranoid = shift;
+ my @list;
+
+ if (-d $projects_list) {
+ # search in directory
+ my $dir = $projects_list;
+ # remove the trailing "/"
+ $dir =~ s!/+$!!;
+ my $pfxlen = length("$dir");
+ my $pfxdepth = ($dir =~ tr!/!!);
+ # when filtering, search only given subdirectory
+ if ($filter && !$paranoid) {
+ $dir .= "/$filter";
+ $dir =~ s!/+$!!;
+ }
+
+ File::Find::find({
+ follow_fast => 1, # follow symbolic links
+ follow_skip => 2, # ignore duplicates
+ dangling_symlinks => 0, # ignore dangling symlinks, silently
+ wanted => sub {
+ # global variables
+ our $project_maxdepth;
+ our $projectroot;
+ # skip project-list toplevel, if we get it.
+ return if (m!^[/.]$!);
+ # only directories can be git repositories
+ return unless (-d $_);
+ # need search permission
+ return unless (-x $_);
+ # don't traverse too deep (Find is super slow on os x)
+ # $project_maxdepth excludes depth of $projectroot
+ if (($File::Find::name =~ tr!/!!) - $pfxdepth > $project_maxdepth) {
+ $File::Find::prune = 1;
+ return;
+ }
+
+ my $path = substr($File::Find::name, $pfxlen + 1);
+ # paranoidly only filter here
+ if ($paranoid && $filter && $path !~ m!^\Q$filter\E/!) {
+ next;
+ }
+ # we check related file in $projectroot
+ if (check_export_ok("$projectroot/$path")) {
+ push @list, { path => $path };
+ $File::Find::prune = 1;
+ }
+ },
+ }, "$dir");
+
+ } elsif (-f $projects_list) {
+ # read from file(url-encoded):
+ # 'git%2Fgit.git Linus+Torvalds'
+ # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
+ # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
+ open my $fd, '<', $projects_list or return;
+ PROJECT:
+ while (my $line = <$fd>) {
+ chomp $line;
+ my ($path, $owner) = split ' ', $line;
+ $path = unescape($path);
+ $owner = unescape($owner);
+ if (!defined $path) {
+ next;
+ }
+ # if $filter is rpovided, check if $path begins with $filter
+ if ($filter && $path !~ m!^\Q$filter\E/!) {
+ next;
+ }
+ if (check_export_ok("$projectroot/$path")) {
+ my $pr = {
+ path => $path
+ };
+ if ($owner) {
+ $pr->{'owner'} = to_utf8($owner);
+ }
+ push @list, $pr;
+ }
+ }
+ close $fd;
+ }
+ return @list;
+}
+
+# written with help of Tree::Trie module (Perl Artistic License, GPL compatible)
+# as side effects it sets 'forks' field to list of forks for forked projects
+sub filter_forks_from_projects_list {
+ my $projects = shift;
+
+ my %trie; # prefix tree of directories (path components)
+ # generate trie out of those directories that might contain forks
+ foreach my $pr (@$projects) {
+ my $path = $pr->{'path'};
+ $path =~ s/\.git$//; # forks of 'repo.git' are in 'repo/' directory
+ next if ($path =~ m!/$!); # skip non-bare repositories, e.g. 'repo/.git'
+ next unless ($path); # skip '.git' repository: tests, git-instaweb
+ next unless (-d "$projectroot/$path"); # containing directory exists
+ $pr->{'forks'} = []; # there can be 0 or more forks of project
+
+ # add to trie
+ my @dirs = split('/', $path);
+ # walk the trie, until either runs out of components or out of trie
+ my $ref = \%trie;
+ while (scalar @dirs &&
+ exists($ref->{$dirs[0]})) {
+ $ref = $ref->{shift @dirs};
+ }
+ # create rest of trie structure from rest of components
+ foreach my $dir (@dirs) {
+ $ref = $ref->{$dir} = {};
+ }
+ # create end marker, store $pr as a data
+ $ref->{''} = $pr if (!exists $ref->{''});
+ }
+
+ # filter out forks, by finding shortest prefix match for paths
+ my @filtered;
+ PROJECT:
+ foreach my $pr (@$projects) {
+ # trie lookup
+ my $ref = \%trie;
+ DIR:
+ foreach my $dir (split('/', $pr->{'path'})) {
+ if (exists $ref->{''}) {
+ # found [shortest] prefix, is a fork - skip it
+ push @{$ref->{''}{'forks'}}, $pr;
+ next PROJECT;
+ }
+ if (!exists $ref->{$dir}) {
+ # not in trie, cannot have prefix, not a fork
+ push @filtered, $pr;
+ next PROJECT;
+ }
+ # If the dir is there, we just walk one step down the trie.
+ $ref = $ref->{$dir};
+ }
+ # we ran out of trie
+ # (shouldn't happen: it's either no match, or end marker)
+ push @filtered, $pr;
+ }
+
+ return @filtered;
+}
+
+# note: fill_project_list_info must be run first,
+# for 'descr_long' and 'ctags' to be filled
+sub search_projects_list {
+ my ($projlist, %opts) = @_;
+ my $tagfilter = $opts{'tagfilter'};
+ my $search_re = $opts{'search_regexp'};
+
+ return @$projlist
+ unless ($tagfilter || $search_re);
+
+ # searching projects require filling to be run before it;
+ fill_project_list_info($projlist,
+ $tagfilter ? 'ctags' : (),
+ $search_re ? ('path', 'descr') : ());
+ my @projects;
+ PROJECT:
+ foreach my $pr (@$projlist) {
+
+ if ($tagfilter) {
+ next unless ref($pr->{'ctags'}) eq 'HASH';
+ next unless
+ grep { lc($_) eq lc($tagfilter) } keys %{$pr->{'ctags'}};
+ }
+
+ if ($search_re) {
+ next unless
+ $pr->{'path'} =~ /$search_re/ ||
+ $pr->{'descr_long'} =~ /$search_re/;
+ }
+
+ push @projects, $pr;
+ }
+
+ return @projects;
+}
+
+our $gitweb_project_owner = undef;
+sub git_get_project_list_from_file {
+
+ return if (defined $gitweb_project_owner);
+
+ $gitweb_project_owner = {};
+ # read from file (url-encoded):
+ # 'git%2Fgit.git Linus+Torvalds'
+ # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
+ # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
+ if (-f $projects_list) {
+ open(my $fd, '<', $projects_list);
+ while (my $line = <$fd>) {
+ chomp $line;
+ my ($pr, $ow) = split ' ', $line;
+ $pr = unescape($pr);
+ $ow = unescape($ow);
+ $gitweb_project_owner->{$pr} = to_utf8($ow);
+ }
+ close $fd;
+ }
+}
+
+sub git_get_project_owner {
+ my $project = shift;
+ my $owner;
+
+ return undef unless $project;
+ $git_dir = "$projectroot/$project";
+
+ if (!defined $gitweb_project_owner) {
+ git_get_project_list_from_file();
+ }
+
+ if (exists $gitweb_project_owner->{$project}) {
+ $owner = $gitweb_project_owner->{$project};
+ }
+ if (!defined $owner){
+ $owner = git_get_project_config('owner');
+ }
+ if (!defined $owner) {
+ $owner = get_file_owner("$git_dir");
+ }
+
+ return $owner;
+}
+
+sub git_get_last_activity {
+ my ($path) = @_;
+ my $fd;
+
+ $git_dir = "$projectroot/$path";
+ open($fd, "-|", git_cmd(), 'for-each-ref',
+ '--format=%(committer)',
+ '--sort=-committerdate',
+ '--count=1',
+ map { "refs/$_" } get_branch_refs ()) or return;
+ my $most_recent = <$fd>;
+ close $fd or return;
+ if (defined $most_recent &&
+ $most_recent =~ / (\d+) [-+][01]\d\d\d$/) {
+ my $timestamp = $1;
+ my $age = time - $timestamp;
+ return ($age, age_string($age));
+ }
+ return (undef, undef);
+}
+
+# Implementation note: when a single remote is wanted, we cannot use 'git
+# remote show -n' because that command always work (assuming it's a remote URL
+# if it's not defined), and we cannot use 'git remote show' because that would
+# try to make a network roundtrip. So the only way to find if that particular
+# remote is defined is to walk the list provided by 'git remote -v' and stop if
+# and when we find what we want.
+sub git_get_remotes_list {
+ my $wanted = shift;
+ my %remotes = ();
+
+ open my $fd, '-|' , git_cmd(), 'remote', '-v';
+ return unless $fd;
+ while (my $remote = <$fd>) {
+ chomp $remote;
+ $remote =~ s!\t(.*?)\s+\((\w+)\)$!!;
+ next if $wanted and not $remote eq $wanted;
+ my ($url, $key) = ($1, $2);
+
+ $remotes{$remote} ||= { 'heads' => () };
+ $remotes{$remote}{$key} = $url;
+ }
+ close $fd or return;
+ return wantarray ? %remotes : \%remotes;
+}
+
+# Takes a hash of remotes as first parameter and fills it by adding the
+# available remote heads for each of the indicated remotes.
+sub fill_remote_heads {
+ my $remotes = shift;
+ my @heads = map { "remotes/$_" } keys %$remotes;
+ my @remoteheads = git_get_heads_list(undef, @heads);
+ foreach my $remote (keys %$remotes) {
+ $remotes->{$remote}{'heads'} = [ grep {
+ $_->{'name'} =~ s!^$remote/!!
+ } @remoteheads ];
+ }
+}
+
+sub git_get_references {
+ my $type = shift || "";
+ my %refs;
+ # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11
+ # c39ae07f393806ccf406ef966e9a15afc43cc36a refs/tags/v2.6.11^{}
+ open my $fd, "-|", git_cmd(), "show-ref", "--dereference",
+ ($type ? ("--", "refs/$type") : ()) # use -- <pattern> if $type
+ or return;
+
+ while (my $line = <$fd>) {
+ chomp $line;
+ if ($line =~ m!^($oid_regex)\srefs/($type.*)$!) {
+ if (defined $refs{$1}) {
+ push @{$refs{$1}}, $2;
+ } else {
+ $refs{$1} = [ $2 ];
+ }
+ }
+ }
+ close $fd or return;
+ return \%refs;
+}
+
+sub git_get_rev_name_tags {
+ my $hash = shift || return undef;
+
+ open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
+ or return;
+ my $name_rev = <$fd>;
+ close $fd;
+
+ if ($name_rev =~ m|^$hash tags/(.*)$|) {
+ return $1;
+ } else {
+ # catches also '$hash undefined' output
+ return undef;
+ }
+}
+
+## ----------------------------------------------------------------------
+## parse to hash functions
+
+sub parse_date {
+ my $epoch = shift;
+ my $tz = shift || "-0000";
+
+ my %date;
+ my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
+ my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
+ my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
+ $date{'hour'} = $hour;
+ $date{'minute'} = $min;
+ $date{'mday'} = $mday;
+ $date{'day'} = $days[$wday];
+ $date{'month'} = $months[$mon];
+ $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
+ $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
+ $date{'mday-time'} = sprintf "%d %s %02d:%02d",
+ $mday, $months[$mon], $hour ,$min;
+ $date{'iso-8601'} = sprintf "%04d-%02d-%02dT%02d:%02d:%02dZ",
+ 1900+$year, 1+$mon, $mday, $hour ,$min, $sec;
+
+ my ($tz_sign, $tz_hour, $tz_min) =
+ ($tz =~ m/^([-+])(\d\d)(\d\d)$/);
+ $tz_sign = ($tz_sign eq '-' ? -1 : +1);
+ my $local = $epoch + $tz_sign*((($tz_hour*60) + $tz_min)*60);
+ ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
+ $date{'hour_local'} = $hour;
+ $date{'minute_local'} = $min;
+ $date{'tz_local'} = $tz;
+ $date{'iso-tz'} = sprintf("%04d-%02d-%02d %02d:%02d:%02d %s",
+ 1900+$year, $mon+1, $mday,
+ $hour, $min, $sec, $tz);
+ return %date;
+}
+
+sub hide_mailaddrs_if_private {
+ my $line = shift;
+ return $line unless gitweb_check_feature('email-privacy');
+ $line =~ s/<[^@>]+@[^>]+>/<redacted>/g;
+ return $line;
+}
+
+sub parse_tag {
+ my $tag_id = shift;
+ my %tag;
+ my @comment;
+
+ open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
+ $tag{'id'} = $tag_id;
+ while (my $line = <$fd>) {
+ chomp $line;
+ if ($line =~ m/^object ($oid_regex)$/) {
+ $tag{'object'} = $1;
+ } elsif ($line =~ m/^type (.+)$/) {
+ $tag{'type'} = $1;
+ } elsif ($line =~ m/^tag (.+)$/) {
+ $tag{'name'} = $1;
+ } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
+ $tag{'author'} = hide_mailaddrs_if_private($1);
+ $tag{'author_epoch'} = $2;
+ $tag{'author_tz'} = $3;
+ if ($tag{'author'} =~ m/^([^<]+) <([^>]*)>/) {
+ $tag{'author_name'} = $1;
+ $tag{'author_email'} = $2;
+ } else {
+ $tag{'author_name'} = $tag{'author'};
+ }
+ } elsif ($line =~ m/--BEGIN/) {
+ push @comment, $line;
+ last;
+ } elsif ($line eq "") {
+ last;
+ }
+ }
+ push @comment, <$fd>;
+ $tag{'comment'} = \@comment;
+ close $fd or return;
+ if (!defined $tag{'name'}) {
+ return
+ };
+ return %tag
+}
+
+sub parse_commit_text {
+ my ($commit_text, $withparents) = @_;
+ my @commit_lines = split '\n', $commit_text;
+ my %co;
+
+ pop @commit_lines; # Remove '\0'
+
+ if (! @commit_lines) {
+ return;
+ }
+
+ my $header = shift @commit_lines;
+ if ($header !~ m/^$oid_regex/) {
+ return;
+ }
+ ($co{'id'}, my @parents) = split ' ', $header;
+ while (my $line = shift @commit_lines) {
+ last if $line eq "\n";
+ if ($line =~ m/^tree ($oid_regex)$/) {
+ $co{'tree'} = $1;
+ } elsif ((!defined $withparents) && ($line =~ m/^parent ($oid_regex)$/)) {
+ push @parents, $1;
+ } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
+ $co{'author'} = hide_mailaddrs_if_private(to_utf8($1));
+ $co{'author_epoch'} = $2;
+ $co{'author_tz'} = $3;
+ if ($co{'author'} =~ m/^([^<]+) <([^>]*)>/) {
+ $co{'author_name'} = $1;
+ $co{'author_email'} = $2;
+ } else {
+ $co{'author_name'} = $co{'author'};
+ }
+ } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
+ $co{'committer'} = hide_mailaddrs_if_private(to_utf8($1));
+ $co{'committer_epoch'} = $2;
+ $co{'committer_tz'} = $3;
+ if ($co{'committer'} =~ m/^([^<]+) <([^>]*)>/) {
+ $co{'committer_name'} = $1;
+ $co{'committer_email'} = $2;
+ } else {
+ $co{'committer_name'} = $co{'committer'};
+ }
+ }
+ }
+ if (!defined $co{'tree'}) {
+ return;
+ };
+ $co{'parents'} = \@parents;
+ $co{'parent'} = $parents[0];
+
+ foreach my $title (@commit_lines) {
+ $title =~ s/^ //;
+ if ($title ne "") {
+ $co{'title'} = chop_str($title, 80, 5);
+ $co{'title_short'} = chop_str($title, 50, 5);
+ last;
+ }
+ }
+ if (! defined $co{'title'} || $co{'title'} eq "") {
+ $co{'title'} = $co{'title_short'} = '(no commit message)';
+ }
+ # remove added spaces, redact e-mail addresses if applicable.
+ foreach my $line (@commit_lines) {
+ $line =~ s/^ //;
+ $line = hide_mailaddrs_if_private($line);
+ }
+ $co{'comment'} = \@commit_lines;
+
+ my $age = time - $co{'committer_epoch'};
+ $co{'age'} = $age;
+ $co{'age_string'} = age_string($age);
+ my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
+ if ($age > 60*60*24*7*2) {
+ $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
+ $co{'age_string_age'} = $co{'age_string'};
+ } else {
+ $co{'age_string_date'} = $co{'age_string'};
+ $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
+ }
+ return %co;
+}
+
+sub parse_commit {
+ my ($commit_id) = @_;
+ my %co;
+
+ local $/ = "\0";
+
+ open my $fd, "-|", git_cmd(), "rev-list",
+ "--parents",
+ "--header",
+ "--max-count=1",
+ $commit_id,
+ "--",
+ or die_error(500, "Open git-rev-list failed");
+ %co = parse_commit_text(<$fd>, 1);
+ close $fd;
+
+ return %co;
+}
+
+sub parse_commits {
+ my ($commit_id, $maxcount, $skip, $filename, @args) = @_;
+ my @cos;
+
+ $maxcount ||= 1;
+ $skip ||= 0;
+
+ local $/ = "\0";
+
+ open my $fd, "-|", git_cmd(), "rev-list",
+ "--header",
+ @args,
+ ("--max-count=" . $maxcount),
+ ("--skip=" . $skip),
+ @extra_options,
+ $commit_id,
+ "--",
+ ($filename ? ($filename) : ())
+ or die_error(500, "Open git-rev-list failed");
+ while (my $line = <$fd>) {
+ my %co = parse_commit_text($line);
+ push @cos, \%co;
+ }
+ close $fd;
+
+ return wantarray ? @cos : \@cos;
+}
+
+# parse line of git-diff-tree "raw" output
+sub parse_difftree_raw_line {
+ my $line = shift;
+ my %res;
+
+ # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M ls-files.c'
+ # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M rev-tree.c'
+ if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ($oid_regex) ($oid_regex) (.)([0-9]{0,3})\t(.*)$/) {
+ $res{'from_mode'} = $1;
+ $res{'to_mode'} = $2;
+ $res{'from_id'} = $3;
+ $res{'to_id'} = $4;
+ $res{'status'} = $5;
+ $res{'similarity'} = $6;
+ if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
+ ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
+ } else {
+ $res{'from_file'} = $res{'to_file'} = $res{'file'} = unquote($7);
+ }
+ }
+ # '::100755 100755 100755 60e79ca1b01bc8b057abe17ddab484699a7f5fdb 94067cc5f73388f33722d52ae02f44692bc07490 94067cc5f73388f33722d52ae02f44692bc07490 MR git-gui/git-gui.sh'
+ # combined diff (for merge commit)
+ elsif ($line =~ s/^(::+)((?:[0-7]{6} )+)((?:$oid_regex )+)([a-zA-Z]+)\t(.*)$//) {
+ $res{'nparents'} = length($1);
+ $res{'from_mode'} = [ split(' ', $2) ];
+ $res{'to_mode'} = pop @{$res{'from_mode'}};
+ $res{'from_id'} = [ split(' ', $3) ];
+ $res{'to_id'} = pop @{$res{'from_id'}};
+ $res{'status'} = [ split('', $4) ];
+ $res{'to_file'} = unquote($5);
+ }
+ # 'c512b523472485aef4fff9e57b229d9d243c967f'
+ elsif ($line =~ m/^($oid_regex)$/) {
+ $res{'commit'} = $1;
+ }
+
+ return wantarray ? %res : \%res;
+}
+
+# wrapper: return parsed line of git-diff-tree "raw" output
+# (the argument might be raw line, or parsed info)
+sub parsed_difftree_line {
+ my $line_or_ref = shift;
+
+ if (ref($line_or_ref) eq "HASH") {
+ # pre-parsed (or generated by hand)
+ return $line_or_ref;
+ } else {
+ return parse_difftree_raw_line($line_or_ref);
+ }
+}
+
+# parse line of git-ls-tree output
+sub parse_ls_tree_line {
+ my $line = shift;
+ my %opts = @_;
+ my %res;
+
+ if ($opts{'-l'}) {
+ #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa 16717 panic.c'
+ $line =~ m/^([0-9]+) (.+) ($oid_regex) +(-|[0-9]+)\t(.+)$/s;
+
+ $res{'mode'} = $1;
+ $res{'type'} = $2;
+ $res{'hash'} = $3;
+ $res{'size'} = $4;
+ if ($opts{'-z'}) {
+ $res{'name'} = $5;
+ } else {
+ $res{'name'} = unquote($5);
+ }
+ } else {
+ #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
+ $line =~ m/^([0-9]+) (.+) ($oid_regex)\t(.+)$/s;
+
+ $res{'mode'} = $1;
+ $res{'type'} = $2;
+ $res{'hash'} = $3;
+ if ($opts{'-z'}) {
+ $res{'name'} = $4;
+ } else {
+ $res{'name'} = unquote($4);
+ }
+ }
+
+ return wantarray ? %res : \%res;
+}
+
+# generates _two_ hashes, references to which are passed as 2 and 3 argument
+sub parse_from_to_diffinfo {
+ my ($diffinfo, $from, $to, @parents) = @_;
+
+ if ($diffinfo->{'nparents'}) {
+ # combined diff
+ $from->{'file'} = [];
+ $from->{'href'} = [];
+ fill_from_file_info($diffinfo, @parents)
+ unless exists $diffinfo->{'from_file'};
+ for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
+ $from->{'file'}[$i] =
+ defined $diffinfo->{'from_file'}[$i] ?
+ $diffinfo->{'from_file'}[$i] :
+ $diffinfo->{'to_file'};
+ if ($diffinfo->{'status'}[$i] ne "A") { # not new (added) file
+ $from->{'href'}[$i] = href(action=>"blob",
+ hash_base=>$parents[$i],
+ hash=>$diffinfo->{'from_id'}[$i],
+ file_name=>$from->{'file'}[$i]);
+ } else {
+ $from->{'href'}[$i] = undef;
+ }
+ }
+ } else {
+ # ordinary (not combined) diff
+ $from->{'file'} = $diffinfo->{'from_file'};
+ if ($diffinfo->{'status'} ne "A") { # not new (added) file
+ $from->{'href'} = href(action=>"blob", hash_base=>$hash_parent,
+ hash=>$diffinfo->{'from_id'},
+ file_name=>$from->{'file'});
+ } else {
+ delete $from->{'href'};
+ }
+ }
+
+ $to->{'file'} = $diffinfo->{'to_file'};
+ if (!is_deleted($diffinfo)) { # file exists in result
+ $to->{'href'} = href(action=>"blob", hash_base=>$hash,
+ hash=>$diffinfo->{'to_id'},
+ file_name=>$to->{'file'});
+ } else {
+ delete $to->{'href'};
+ }
+}
+
+## ......................................................................
+## parse to array of hashes functions
+
+sub git_get_heads_list {
+ my ($limit, @classes) = @_;
+ @classes = get_branch_refs() unless @classes;
+ my @patterns = map { "refs/$_" } @classes;
+ my @headslist;
+
+ open my $fd, '-|', git_cmd(), 'for-each-ref',
+ ($limit ? '--count='.($limit+1) : ()),
+ '--sort=-HEAD', '--sort=-committerdate',
+ '--format=%(objectname) %(refname) %(subject)%00%(committer)',
+ @patterns
+ or return;
+ while (my $line = <$fd>) {
+ my %ref_item;
+
+ chomp $line;
+ my ($refinfo, $committerinfo) = split(/\0/, $line);
+ my ($hash, $name, $title) = split(' ', $refinfo, 3);
+ my ($committer, $epoch, $tz) =
+ ($committerinfo =~ /^(.*) ([0-9]+) (.*)$/);
+ $ref_item{'fullname'} = $name;
+ my $strip_refs = join '|', map { quotemeta } get_branch_refs();
+ $name =~ s!^refs/($strip_refs|remotes)/!!;
+ $ref_item{'name'} = $name;
+ # for refs neither in 'heads' nor 'remotes' we want to
+ # show their ref dir
+ my $ref_dir = (defined $1) ? $1 : '';
+ if ($ref_dir ne '' and $ref_dir ne 'heads' and $ref_dir ne 'remotes') {
+ $ref_item{'name'} .= ' (' . $ref_dir . ')';
+ }
+
+ $ref_item{'id'} = $hash;
+ $ref_item{'title'} = $title || '(no commit message)';
+ $ref_item{'epoch'} = $epoch;
+ if ($epoch) {
+ $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
+ } else {
+ $ref_item{'age'} = "unknown";
+ }
+
+ push @headslist, \%ref_item;
+ }
+ close $fd;
+
+ return wantarray ? @headslist : \@headslist;
+}
+
+sub git_get_tags_list {
+ my $limit = shift;
+ my @tagslist;
+
+ open my $fd, '-|', git_cmd(), 'for-each-ref',
+ ($limit ? '--count='.($limit+1) : ()), '--sort=-creatordate',
+ '--format=%(objectname) %(objecttype) %(refname) '.
+ '%(*objectname) %(*objecttype) %(subject)%00%(creator)',
+ 'refs/tags'
+ or return;
+ while (my $line = <$fd>) {
+ my %ref_item;
+
+ chomp $line;
+ my ($refinfo, $creatorinfo) = split(/\0/, $line);
+ my ($id, $type, $name, $refid, $reftype, $title) = split(' ', $refinfo, 6);
+ my ($creator, $epoch, $tz) =
+ ($creatorinfo =~ /^(.*) ([0-9]+) (.*)$/);
+ $ref_item{'fullname'} = $name;
+ $name =~ s!^refs/tags/!!;
+
+ $ref_item{'type'} = $type;
+ $ref_item{'id'} = $id;
+ $ref_item{'name'} = $name;
+ if ($type eq "tag") {
+ $ref_item{'subject'} = $title;
+ $ref_item{'reftype'} = $reftype;
+ $ref_item{'refid'} = $refid;
+ } else {
+ $ref_item{'reftype'} = $type;
+ $ref_item{'refid'} = $id;
+ }
+
+ if ($type eq "tag" || $type eq "commit") {
+ $ref_item{'epoch'} = $epoch;
+ if ($epoch) {
+ $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
+ } else {
+ $ref_item{'age'} = "unknown";
+ }
+ }
+
+ push @tagslist, \%ref_item;
+ }
+ close $fd;
+
+ return wantarray ? @tagslist : \@tagslist;
+}
+
+## ----------------------------------------------------------------------
+## filesystem-related functions
+
+sub get_file_owner {
+ my $path = shift;
+
+ my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
+ my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
+ if (!defined $gcos) {
+ return undef;
+ }
+ my $owner = $gcos;
+ $owner =~ s/[,;].*$//;
+ return to_utf8($owner);
+}
+
+# assume that file exists
+sub insert_file {
+ my $filename = shift;
+
+ open my $fd, '<', $filename;
+ print map { to_utf8($_) } <$fd>;
+ close $fd;
+}
+
+## ......................................................................
+## mimetype related functions
+
+sub mimetype_guess_file {
+ my $filename = shift;
+ my $mimemap = shift;
+ -r $mimemap or return undef;
+
+ my %mimemap;
+ open(my $mh, '<', $mimemap) or return undef;
+ while (<$mh>) {
+ next if m/^#/; # skip comments
+ my ($mimetype, @exts) = split(/\s+/);
+ foreach my $ext (@exts) {
+ $mimemap{$ext} = $mimetype;
+ }
+ }
+ close($mh);
+
+ $filename =~ /\.([^.]*)$/;
+ return $mimemap{$1};
+}
+
+sub mimetype_guess {
+ my $filename = shift;
+ my $mime;
+ $filename =~ /\./ or return undef;
+
+ if ($mimetypes_file) {
+ my $file = $mimetypes_file;
+ if ($file !~ m!^/!) { # if it is relative path
+ # it is relative to project
+ $file = "$projectroot/$project/$file";
+ }
+ $mime = mimetype_guess_file($filename, $file);
+ }
+ $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
+ return $mime;
+}
+
+sub blob_mimetype {
+ my $fd = shift;
+ my $filename = shift;
+
+ if ($filename) {
+ my $mime = mimetype_guess($filename);
+ $mime and return $mime;
+ }
+
+ # just in case
+ return $default_blob_plain_mimetype unless $fd;
+
+ if (-T $fd) {
+ return 'text/plain';
+ } elsif (! $filename) {
+ return 'application/octet-stream';
+ } elsif ($filename =~ m/\.png$/i) {
+ return 'image/png';
+ } elsif ($filename =~ m/\.gif$/i) {
+ return 'image/gif';
+ } elsif ($filename =~ m/\.jpe?g$/i) {
+ return 'image/jpeg';
+ } else {
+ return 'application/octet-stream';
+ }
+}
+
+sub blob_contenttype {
+ my ($fd, $file_name, $type) = @_;
+
+ $type ||= blob_mimetype($fd, $file_name);
+ if ($type eq 'text/plain' && defined $default_text_plain_charset) {
+ $type .= "; charset=$default_text_plain_charset";
+ }
+
+ return $type;
+}
+
+# guess file syntax for syntax highlighting; return undef if no highlighting
+# the name of syntax can (in the future) depend on syntax highlighter used
+sub guess_file_syntax {
+ my ($highlight, $file_name) = @_;
+ return undef unless ($highlight && defined $file_name);
+ my $basename = basename($file_name, '.in');
+ return $highlight_basename{$basename}
+ if exists $highlight_basename{$basename};
+
+ $basename =~ /\.([^.]*)$/;
+ my $ext = $1 or return undef;
+ return $highlight_ext{$ext}
+ if exists $highlight_ext{$ext};
+
+ return undef;
+}
+
+# run highlighter and return FD of its output,
+# or return original FD if no highlighting
+sub run_highlighter {
+ my ($fd, $highlight, $syntax) = @_;
+ return $fd unless ($highlight);
+
+ close $fd;
+ my $syntax_arg = (defined $syntax) ? "--syntax $syntax" : "--force";
+ open $fd, quote_command(git_cmd(), "cat-file", "blob", $hash)." | ".
+ quote_command($^X, '-CO', '-MEncode=decode,FB_DEFAULT', '-pse',
+ '$_ = decode($fe, $_, FB_DEFAULT) if !utf8::decode($_);',
+ '--', "-fe=$fallback_encoding")." | ".
+ quote_command($highlight_bin).
+ " --replace-tabs=8 --fragment $syntax_arg |"
+ or die_error(500, "Couldn't open file or run syntax highlighter");
+ return $fd;
+}
+
+## ======================================================================
+## functions printing HTML: header, footer, error page
+
+sub get_page_title {
+ my $title = to_utf8($site_name);
+
+ unless (defined $project) {
+ if (defined $project_filter) {
+ $title .= " - projects in '" . esc_path($project_filter) . "'";
+ }
+ return $title;
+ }
+ $title .= " - " . to_utf8($project);
+
+ return $title unless (defined $action);
+ $title .= "/$action"; # $action is US-ASCII (7bit ASCII)
+
+ return $title unless (defined $file_name);
+ $title .= " - " . esc_path($file_name);
+ if ($action eq "tree" && $file_name !~ m|/$|) {
+ $title .= "/";
+ }
+
+ return $title;
+}
+
+sub get_content_type_html {
+ # require explicit support from the UA if we are to send the page as
+ # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
+ # we have to do this because MSIE sometimes globs '*/*', pretending to
+ # support xhtml+xml but choking when it gets what it asked for.
+ if (defined $cgi->http('HTTP_ACCEPT') &&
+ $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
+ $cgi->Accept('application/xhtml+xml') != 0) {
+ return 'application/xhtml+xml';
+ } else {
+ return 'text/html';
+ }
+}
+
+sub print_feed_meta {
+ if (defined $project) {
+ my %href_params = get_feed_info();
+ if (!exists $href_params{'-title'}) {
+ $href_params{'-title'} = 'log';
+ }
+
+ foreach my $format (qw(RSS Atom)) {
+ my $type = lc($format);
+ my %link_attr = (
+ '-rel' => 'alternate',
+ '-title' => esc_attr("$project - $href_params{'-title'} - $format feed"),
+ '-type' => "application/$type+xml"
+ );
+
+ $href_params{'extra_options'} = undef;
+ $href_params{'action'} = $type;
+ $link_attr{'-href'} = esc_attr(href(%href_params));
+ print "<link ".
+ "rel=\"$link_attr{'-rel'}\" ".
+ "title=\"$link_attr{'-title'}\" ".
+ "href=\"$link_attr{'-href'}\" ".
+ "type=\"$link_attr{'-type'}\" ".
+ "/>\n";
+
+ $href_params{'extra_options'} = '--no-merges';
+ $link_attr{'-href'} = esc_attr(href(%href_params));
+ $link_attr{'-title'} .= ' (no merges)';
+ print "<link ".
+ "rel=\"$link_attr{'-rel'}\" ".
+ "title=\"$link_attr{'-title'}\" ".
+ "href=\"$link_attr{'-href'}\" ".
+ "type=\"$link_attr{'-type'}\" ".
+ "/>\n";
+ }
+
+ } else {
+ printf('<link rel="alternate" title="%s projects list" '.
+ 'href="%s" type="text/plain; charset=utf-8" />'."\n",
+ esc_attr($site_name),
+ esc_attr(href(project=>undef, action=>"project_index")));
+ printf('<link rel="alternate" title="%s projects feeds" '.
+ 'href="%s" type="text/x-opml" />'."\n",
+ esc_attr($site_name),
+ esc_attr(href(project=>undef, action=>"opml")));
+ }
+}
+
+sub print_header_links {
+ my $status = shift;
+
+ # print out each stylesheet that exist, providing backwards capability
+ # for those people who defined $stylesheet in a config file
+ if (defined $stylesheet) {
+ print '<link rel="stylesheet" type="text/css" href="'.esc_url($stylesheet).'"/>'."\n";
+ } else {
+ foreach my $stylesheet (@stylesheets) {
+ next unless $stylesheet;
+ print '<link rel="stylesheet" type="text/css" href="'.esc_url($stylesheet).'"/>'."\n";
+ }
+ }
+ print_feed_meta()
+ if ($status eq '200 OK');
+ if (defined $favicon) {
+ print qq(<link rel="shortcut icon" href=").esc_url($favicon).qq(" type="image/png" />\n);
+ }
+}
+
+sub print_nav_breadcrumbs_path {
+ my $dirprefix = undef;
+ while (my $part = shift) {
+ $dirprefix .= "/" if defined $dirprefix;
+ $dirprefix .= $part;
+ print $cgi->a({-href => href(project => undef,
+ project_filter => $dirprefix,
+ action => "project_list")},
+ esc_html($part)) . " / ";
+ }
+}
+
+sub print_nav_breadcrumbs {
+ my %opts = @_;
+
+ for my $crumb (@extra_breadcrumbs, [ $home_link_str => $home_link ]) {
+ print $cgi->a({-href => esc_url($crumb->[1])}, $crumb->[0]) . " / ";
+ }
+ if (defined $project) {
+ my @dirname = split '/', $project;
+ my $projectbasename = pop @dirname;
+ print_nav_breadcrumbs_path(@dirname);
+ print $cgi->a({-href => href(action=>"summary")}, esc_html($projectbasename));
+ if (defined $action) {
+ my $action_print = $action ;
+ if (defined $opts{-action_extra}) {
+ $action_print = $cgi->a({-href => href(action=>$action)},
+ $action);
+ }
+ print " / $action_print";
+ }
+ if (defined $opts{-action_extra}) {
+ print " / $opts{-action_extra}";
+ }
+ print "\n";
+ } elsif (defined $project_filter) {
+ print_nav_breadcrumbs_path(split '/', $project_filter);
+ }
+}
+
+sub print_search_form {
+ if (!defined $searchtext) {
+ $searchtext = "";
+ }
+ my $search_hash;
+ if (defined $hash_base) {
+ $search_hash = $hash_base;
+ } elsif (defined $hash) {
+ $search_hash = $hash;
+ } else {
+ $search_hash = "HEAD";
+ }
+ my $action = $my_uri;
+ my $use_pathinfo = gitweb_check_feature('pathinfo');
+ if ($use_pathinfo) {
+ $action .= "/".esc_url($project);
+ }
+ print $cgi->start_form(-method => "get", -action => $action) .
+ "<div class=\"search\">\n" .
+ (!$use_pathinfo &&
+ $cgi->input({-name=>"p", -value=>$project, -type=>"hidden"}) . "\n") .
+ $cgi->input({-name=>"a", -value=>"search", -type=>"hidden"}) . "\n" .
+ $cgi->input({-name=>"h", -value=>$search_hash, -type=>"hidden"}) . "\n" .
+ $cgi->popup_menu(-name => 'st', -default => 'commit',
+ -values => ['commit', 'grep', 'author', 'committer', 'pickaxe']) .
+ " " . $cgi->a({-href => href(action=>"search_help"),
+ -title => "search help" }, "?") . " search:\n",
+ $cgi->textfield(-name => "s", -value => $searchtext, -override => 1) . "\n" .
+ "<span title=\"Extended regular expression\">" .
+ $cgi->checkbox(-name => 'sr', -value => 1, -label => 're',
+ -checked => $search_use_regexp) .
+ "</span>" .
+ "</div>" .
+ $cgi->end_form() . "\n";
+}
+
+sub git_header_html {
+ my $status = shift || "200 OK";
+ my $expires = shift;
+ my %opts = @_;
+
+ my $title = get_page_title();
+ print $cgi->header(-type=>get_content_type_html(), -charset => 'utf-8',
+ -status=> $status, -expires => $expires)
+ unless ($opts{'-no_http_header'});
+ my $mod_perl_version = $ENV{'MOD_PERL'} ? " $ENV{'MOD_PERL'}" : '';
+ print <<EOF;
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE html [
+ <!ENTITY nbsp "&#xA0;">
+ <!ENTITY sdot "&#x22C5;">
+]>
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
+<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
+<!-- git core binaries version $git_version -->
+<head>
+<meta name="generator" content="gitweb/$version git/$git_version$mod_perl_version"/>
+<meta name="robots" content="index, nofollow"/>
+<title>$title</title>
+EOF
+ # the stylesheet, favicon etc urls won't work correctly with path_info
+ # unless we set the appropriate base URL
+ if ($ENV{'PATH_INFO'}) {
+ print "<base href=\"".esc_url($base_url)."\" />\n";
+ }
+ print_header_links($status);
+
+ if (defined $site_html_head_string) {
+ print to_utf8($site_html_head_string);
+ }
+
+ print "</head>\n" .
+ "<body>\n";
+
+ if (defined $site_header && -f $site_header) {
+ insert_file($site_header);
+ }
+
+ print "<div class=\"page_header\">\n";
+ if (defined $logo) {
+ print $cgi->a({-href => esc_url($logo_url),
+ -title => $logo_label},
+ $cgi->img({-src => esc_url($logo),
+ -width => 72, -height => 27,
+ -alt => "git",
+ -class => "logo"}));
+ }
+ print_nav_breadcrumbs(%opts);
+ print "</div>\n";
+
+ my $have_search = gitweb_check_feature('search');
+ if (defined $project && $have_search) {
+ print_search_form();
+ }
+}
+
+sub git_footer_html {
+ my $feed_class = 'rss_logo';
+
+ print "<div class=\"page_footer\">\n";
+ if (defined $project) {
+ my $descr = git_get_project_description($project);
+ if (defined $descr) {
+ print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
+ }
+
+ my %href_params = get_feed_info();
+ if (!%href_params) {
+ $feed_class .= ' generic';
+ }
+ $href_params{'-title'} ||= 'log';
+
+ foreach my $format (qw(RSS Atom)) {
+ $href_params{'action'} = lc($format);
+ print $cgi->a({-href => href(%href_params),
+ -title => "$href_params{'-title'} $format feed",
+ -class => $feed_class}, $format)."\n";
+ }
+
+ } else {
+ print $cgi->a({-href => href(project=>undef, action=>"opml",
+ project_filter => $project_filter),
+ -class => $feed_class}, "OPML") . " ";
+ print $cgi->a({-href => href(project=>undef, action=>"project_index",
+ project_filter => $project_filter),
+ -class => $feed_class}, "TXT") . "\n";
+ }
+ print "</div>\n"; # class="page_footer"
+
+ if (defined $t0 && gitweb_check_feature('timed')) {
+ print "<div id=\"generating_info\">\n";
+ print 'This page took '.
+ '<span id="generating_time" class="time_span">'.
+ tv_interval($t0, [ gettimeofday() ]).
+ ' seconds </span>'.
+ ' and '.
+ '<span id="generating_cmd">'.
+ $number_of_git_cmds.
+ '</span> git commands '.
+ " to generate.\n";
+ print "</div>\n"; # class="page_footer"
+ }
+
+ if (defined $site_footer && -f $site_footer) {
+ insert_file($site_footer);
+ }
+
+ print qq!<script type="text/javascript" src="!.esc_url($javascript).qq!"></script>\n!;
+ if (defined $action &&
+ $action eq 'blame_incremental') {
+ print qq!<script type="text/javascript">\n!.
+ qq!startBlame("!. esc_attr(href(action=>"blame_data", -replay=>1)) .qq!",\n!.
+ qq! "!. esc_attr(href()) .qq!");\n!.
+ qq!</script>\n!;
+ } else {
+ my ($jstimezone, $tz_cookie, $datetime_class) =
+ gitweb_get_feature('javascript-timezone');
+
+ print qq!<script type="text/javascript">\n!.
+ qq!window.onload = function () {\n!;
+ if (gitweb_check_feature('javascript-actions')) {
+ print qq! fixLinks();\n!;
+ }
+ if ($jstimezone && $tz_cookie && $datetime_class) {
+ print qq! var tz_cookie = { name: '$tz_cookie', expires: 14, path: '/' };\n!. # in days
+ qq! onloadTZSetup('$jstimezone', tz_cookie, '$datetime_class');\n!;
+ }
+ print qq!};\n!.
+ qq!</script>\n!;
+ }
+
+ print "</body>\n" .
+ "</html>";
+}
+
+# die_error(<http_status_code>, <error_message>[, <detailed_html_description>])
+# Example: die_error(404, 'Hash not found')
+# By convention, use the following status codes (as defined in RFC 2616):
+# 400: Invalid or missing CGI parameters, or
+# requested object exists but has wrong type.
+# 403: Requested feature (like "pickaxe" or "snapshot") not enabled on
+# this server or project.
+# 404: Requested object/revision/project doesn't exist.
+# 500: The server isn't configured properly, or
+# an internal error occurred (e.g. failed assertions caused by bugs), or
+# an unknown error occurred (e.g. the git binary died unexpectedly).
+# 503: The server is currently unavailable (because it is overloaded,
+# or down for maintenance). Generally, this is a temporary state.
+sub die_error {
+ my $status = shift || 500;
+ my $error = esc_html(shift) || "Internal Server Error";
+ my $extra = shift;
+ my %opts = @_;
+
+ my %http_responses = (
+ 400 => '400 Bad Request',
+ 403 => '403 Forbidden',
+ 404 => '404 Not Found',
+ 500 => '500 Internal Server Error',
+ 503 => '503 Service Unavailable',
+ );
+ git_header_html($http_responses{$status}, undef, %opts);
+ print <<EOF;
+<div class="page_body">
+<br /><br />
+$status - $error
+<br />
+EOF
+ if (defined $extra) {
+ print "<hr />\n" .
+ "$extra\n";
+ }
+ print "</div>\n";
+
+ git_footer_html();
+ goto DONE_GITWEB
+ unless ($opts{'-error_handler'});
+}
+
+## ----------------------------------------------------------------------
+## functions printing or outputting HTML: navigation
+
+sub git_print_page_nav {
+ my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
+ $extra = '' if !defined $extra; # pager or formats
+
+ my @navs = qw(summary shortlog log commit commitdiff tree);
+ if ($suppress) {
+ @navs = grep { $_ ne $suppress } @navs;
+ }
+
+ my %arg = map { $_ => {action=>$_} } @navs;
+ if (defined $head) {
+ for (qw(commit commitdiff)) {
+ $arg{$_}{'hash'} = $head;
+ }
+ if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
+ for (qw(shortlog log)) {
+ $arg{$_}{'hash'} = $head;
+ }
+ }
+ }
+
+ $arg{'tree'}{'hash'} = $treehead if defined $treehead;
+ $arg{'tree'}{'hash_base'} = $treebase if defined $treebase;
+
+ my @actions = gitweb_get_feature('actions');
+ my %repl = (
+ '%' => '%',
+ 'n' => $project, # project name
+ 'f' => $git_dir, # project path within filesystem
+ 'h' => $treehead || '', # current hash ('h' parameter)
+ 'b' => $treebase || '', # hash base ('hb' parameter)
+ );
+ while (@actions) {
+ my ($label, $link, $pos) = splice(@actions,0,3);
+ # insert
+ @navs = map { $_ eq $pos ? ($_, $label) : $_ } @navs;
+ # munch munch
+ $link =~ s/%([%nfhb])/$repl{$1}/g;
+ $arg{$label}{'_href'} = $link;
+ }
+
+ print "<div class=\"page_nav\">\n" .
+ (join " | ",
+ map { $_ eq $current ?
+ $_ : $cgi->a({-href => ($arg{$_}{_href} ? $arg{$_}{_href} : href(%{$arg{$_}}))}, "$_")
+ } @navs);
+ print "<br/>\n$extra<br/>\n" .
+ "</div>\n";
+}
+
+# returns a submenu for the navigation of the refs views (tags, heads,
+# remotes) with the current view disabled and the remotes view only
+# available if the feature is enabled
+sub format_ref_views {
+ my ($current) = @_;
+ my @ref_views = qw{tags heads};
+ push @ref_views, 'remotes' if gitweb_check_feature('remote_heads');
+ return join " | ", map {
+ $_ eq $current ? $_ :
+ $cgi->a({-href => href(action=>$_)}, $_)
+ } @ref_views
+}
+
+sub format_paging_nav {
+ my ($action, $page, $has_next_link) = @_;
+ my $paging_nav;
+
+
+ if ($page > 0) {
+ $paging_nav .=
+ $cgi->a({-href => href(-replay=>1, page=>undef)}, "first") .
+ " &sdot; " .
+ $cgi->a({-href => href(-replay=>1, page=>$page-1),
+ -accesskey => "p", -title => "Alt-p"}, "prev");
+ } else {
+ $paging_nav .= "first &sdot; prev";
+ }
+
+ if ($has_next_link) {
+ $paging_nav .= " &sdot; " .
+ $cgi->a({-href => href(-replay=>1, page=>$page+1),
+ -accesskey => "n", -title => "Alt-n"}, "next");
+ } else {
+ $paging_nav .= " &sdot; next";
+ }
+
+ return $paging_nav;
+}
+
+## ......................................................................
+## functions printing or outputting HTML: div
+
+sub git_print_header_div {
+ my ($action, $title, $hash, $hash_base) = @_;
+ my %args = ();
+
+ $args{'action'} = $action;
+ $args{'hash'} = $hash if $hash;
+ $args{'hash_base'} = $hash_base if $hash_base;
+
+ print "<div class=\"header\">\n" .
+ $cgi->a({-href => href(%args), -class => "title"},
+ $title ? $title : $action) .
+ "\n</div>\n";
+}
+
+sub format_repo_url {
+ my ($name, $url) = @_;
+ return "<tr class=\"metadata_url\"><td>$name</td><td>$url</td></tr>\n";
+}
+
+# Group output by placing it in a DIV element and adding a header.
+# Options for start_div() can be provided by passing a hash reference as the
+# first parameter to the function.
+# Options to git_print_header_div() can be provided by passing an array
+# reference. This must follow the options to start_div if they are present.
+# The content can be a scalar, which is output as-is, a scalar reference, which
+# is output after html escaping, an IO handle passed either as *handle or
+# *handle{IO}, or a function reference. In the latter case all following
+# parameters will be taken as argument to the content function call.
+sub git_print_section {
+ my ($div_args, $header_args, $content);
+ my $arg = shift;
+ if (ref($arg) eq 'HASH') {
+ $div_args = $arg;
+ $arg = shift;
+ }
+ if (ref($arg) eq 'ARRAY') {
+ $header_args = $arg;
+ $arg = shift;
+ }
+ $content = $arg;
+
+ print $cgi->start_div($div_args);
+ git_print_header_div(@$header_args);
+
+ if (ref($content) eq 'CODE') {
+ $content->(@_);
+ } elsif (ref($content) eq 'SCALAR') {
+ print esc_html($$content);
+ } elsif (ref($content) eq 'GLOB' or ref($content) eq 'IO::Handle') {
+ print <$content>;
+ } elsif (!ref($content) && defined($content)) {
+ print $content;
+ }
+
+ print $cgi->end_div;
+}
+
+sub format_timestamp_html {
+ my $date = shift;
+ my $strtime = $date->{'rfc2822'};
+
+ my (undef, undef, $datetime_class) =
+ gitweb_get_feature('javascript-timezone');
+ if ($datetime_class) {
+ $strtime = qq!<span class="$datetime_class">$strtime</span>!;
+ }
+
+ my $localtime_format = '(%02d:%02d %s)';
+ if ($date->{'hour_local'} < 6) {
+ $localtime_format = '(<span class="atnight">%02d:%02d</span> %s)';
+ }
+ $strtime .= ' ' .
+ sprintf($localtime_format,
+ $date->{'hour_local'}, $date->{'minute_local'}, $date->{'tz_local'});
+
+ return $strtime;
+}
+
+# Outputs the author name and date in long form
+sub git_print_authorship {
+ my $co = shift;
+ my %opts = @_;
+ my $tag = $opts{-tag} || 'div';
+ my $author = $co->{'author_name'};
+
+ my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
+ print "<$tag class=\"author_date\">" .
+ format_search_author($author, "author", esc_html($author)) .
+ " [".format_timestamp_html(\%ad)."]".
+ git_get_avatar($co->{'author_email'}, -pad_before => 1) .
+ "</$tag>\n";
+}
+
+# Outputs table rows containing the full author or committer information,
+# in the format expected for 'commit' view (& similar).
+# Parameters are a commit hash reference, followed by the list of people
+# to output information for. If the list is empty it defaults to both
+# author and committer.
+sub git_print_authorship_rows {
+ my $co = shift;
+ # too bad we can't use @people = @_ || ('author', 'committer')
+ my @people = @_;
+ @people = ('author', 'committer') unless @people;
+ foreach my $who (@people) {
+ my %wd = parse_date($co->{"${who}_epoch"}, $co->{"${who}_tz"});
+ print "<tr><td>$who</td><td>" .
+ format_search_author($co->{"${who}_name"}, $who,
+ esc_html($co->{"${who}_name"})) . " " .
+ format_search_author($co->{"${who}_email"}, $who,
+ esc_html("<" . $co->{"${who}_email"} . ">")) .
+ "</td><td rowspan=\"2\">" .
+ git_get_avatar($co->{"${who}_email"}, -size => 'double') .
+ "</td></tr>\n" .
+ "<tr>" .
+ "<td></td><td>" .
+ format_timestamp_html(\%wd) .
+ "</td>" .
+ "</tr>\n";
+ }
+}
+
+sub git_print_page_path {
+ my $name = shift;
+ my $type = shift;
+ my $hb = shift;
+
+
+ print "<div class=\"page_path\">";
+ print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
+ -title => 'tree root'}, to_utf8("[$project]"));
+ print " / ";
+ if (defined $name) {
+ my @dirname = split '/', $name;
+ my $basename = pop @dirname;
+ my $fullname = '';
+
+ foreach my $dir (@dirname) {
+ $fullname .= ($fullname ? '/' : '') . $dir;
+ print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
+ hash_base=>$hb),
+ -title => $fullname}, esc_path($dir));
+ print " / ";
+ }
+ if (defined $type && $type eq 'blob') {
+ print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
+ hash_base=>$hb),
+ -title => $name}, esc_path($basename));
+ } elsif (defined $type && $type eq 'tree') {
+ print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
+ hash_base=>$hb),
+ -title => $name}, esc_path($basename));
+ print " / ";
+ } else {
+ print esc_path($basename);
+ }
+ }
+ print "<br/></div>\n";
+}
+
+sub git_print_log {
+ my $log = shift;
+ my %opts = @_;
+
+ if ($opts{'-remove_title'}) {
+ # remove title, i.e. first line of log
+ shift @$log;
+ }
+ # remove leading empty lines
+ while (defined $log->[0] && $log->[0] eq "") {
+ shift @$log;
+ }
+
+ # print log
+ my $skip_blank_line = 0;
+ foreach my $line (@$log) {
+ if ($line =~ m/^\s*([A-Z][-A-Za-z]*-([Bb]y|[Tt]o)|C[Cc]|(Clos|Fix)es): /) {
+ if (! $opts{'-remove_signoff'}) {
+ print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
+ $skip_blank_line = 1;
+ }
+ next;
+ }
+
+ if ($line =~ m,\s*([a-z]*link): (https?://\S+),i) {
+ if (! $opts{'-remove_signoff'}) {
+ print "<span class=\"signoff\">" . esc_html($1) . ": " .
+ "<a href=\"" . esc_html($2) . "\">" . esc_html($2) . "</a>" .
+ "</span><br/>\n";
+ $skip_blank_line = 1;
+ }
+ next;
+ }
+
+ # print only one empty line
+ # do not print empty line after signoff
+ if ($line eq "") {
+ next if ($skip_blank_line);
+ $skip_blank_line = 1;
+ } else {
+ $skip_blank_line = 0;
+ }
+
+ print format_log_line_html($line) . "<br/>\n";
+ }
+
+ if ($opts{'-final_empty_line'}) {
+ # end with single empty line
+ print "<br/>\n" unless $skip_blank_line;
+ }
+}
+
+# return link target (what link points to)
+sub git_get_link_target {
+ my $hash = shift;
+ my $link_target;
+
+ # read link
+ open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
+ or return;
+ {
+ local $/ = undef;
+ $link_target = <$fd>;
+ }
+ close $fd
+ or return;
+
+ return $link_target;
+}
+
+# given link target, and the directory (basedir) the link is in,
+# return target of link relative to top directory (top tree);
+# return undef if it is not possible (including absolute links).
+sub normalize_link_target {
+ my ($link_target, $basedir) = @_;
+
+ # absolute symlinks (beginning with '/') cannot be normalized
+ return if (substr($link_target, 0, 1) eq '/');
+
+ # normalize link target to path from top (root) tree (dir)
+ my $path;
+ if ($basedir) {
+ $path = $basedir . '/' . $link_target;
+ } else {
+ # we are in top (root) tree (dir)
+ $path = $link_target;
+ }
+
+ # remove //, /./, and /../
+ my @path_parts;
+ foreach my $part (split('/', $path)) {
+ # discard '.' and ''
+ next if (!$part || $part eq '.');
+ # handle '..'
+ if ($part eq '..') {
+ if (@path_parts) {
+ pop @path_parts;
+ } else {
+ # link leads outside repository (outside top dir)
+ return;
+ }
+ } else {
+ push @path_parts, $part;
+ }
+ }
+ $path = join('/', @path_parts);
+
+ return $path;
+}
+
+# print tree entry (row of git_tree), but without encompassing <tr> element
+sub git_print_tree_entry {
+ my ($t, $basedir, $hash_base, $have_blame) = @_;
+
+ my %base_key = ();
+ $base_key{'hash_base'} = $hash_base if defined $hash_base;
+
+ # The format of a table row is: mode list link. Where mode is
+ # the mode of the entry, list is the name of the entry, an href,
+ # and link is the action links of the entry.
+
+ print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
+ if (exists $t->{'size'}) {
+ print "<td class=\"size\">$t->{'size'}</td>\n";
+ }
+ if ($t->{'type'} eq "blob") {
+ print "<td class=\"list\">" .
+ $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
+ file_name=>"$basedir$t->{'name'}", %base_key),
+ -class => "list"}, esc_path($t->{'name'}));
+ if (S_ISLNK(oct $t->{'mode'})) {
+ my $link_target = git_get_link_target($t->{'hash'});
+ if ($link_target) {
+ my $norm_target = normalize_link_target($link_target, $basedir);
+ if (defined $norm_target) {
+ print " -> " .
+ $cgi->a({-href => href(action=>"object", hash_base=>$hash_base,
+ file_name=>$norm_target),
+ -title => $norm_target}, esc_path($link_target));
+ } else {
+ print " -> " . esc_path($link_target);
+ }
+ }
+ }
+ print "</td>\n";
+ print "<td class=\"link\">";
+ print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
+ file_name=>"$basedir$t->{'name'}", %base_key)},
+ "blob");
+ if ($have_blame) {
+ print " | " .
+ $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
+ file_name=>"$basedir$t->{'name'}", %base_key)},
+ "blame");
+ }
+ if (defined $hash_base) {
+ print " | " .
+ $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
+ hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
+ "history");
+ }
+ print " | " .
+ $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,
+ file_name=>"$basedir$t->{'name'}")},
+ "raw");
+ print "</td>\n";
+
+ } elsif ($t->{'type'} eq "tree") {
+ print "<td class=\"list\">";
+ print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
+ file_name=>"$basedir$t->{'name'}",
+ %base_key)},
+ esc_path($t->{'name'}));
+ print "</td>\n";
+ print "<td class=\"link\">";
+ print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
+ file_name=>"$basedir$t->{'name'}",
+ %base_key)},
+ "tree");
+ if (defined $hash_base) {
+ print " | " .
+ $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
+ file_name=>"$basedir$t->{'name'}")},
+ "history");
+ }
+ print "</td>\n";
+ } else {
+ # unknown object: we can only present history for it
+ # (this includes 'commit' object, i.e. submodule support)
+ print "<td class=\"list\">" .
+ esc_path($t->{'name'}) .
+ "</td>\n";
+ print "<td class=\"link\">";
+ if (defined $hash_base) {
+ print $cgi->a({-href => href(action=>"history",
+ hash_base=>$hash_base,
+ file_name=>"$basedir$t->{'name'}")},
+ "history");
+ }
+ print "</td>\n";
+ }
+}
+
+## ......................................................................
+## functions printing large fragments of HTML
+
+# get pre-image filenames for merge (combined) diff
+sub fill_from_file_info {
+ my ($diff, @parents) = @_;
+
+ $diff->{'from_file'} = [ ];
+ $diff->{'from_file'}[$diff->{'nparents'} - 1] = undef;
+ for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
+ if ($diff->{'status'}[$i] eq 'R' ||
+ $diff->{'status'}[$i] eq 'C') {
+ $diff->{'from_file'}[$i] =
+ git_get_path_by_hash($parents[$i], $diff->{'from_id'}[$i]);
+ }
+ }
+
+ return $diff;
+}
+
+# is current raw difftree line of file deletion
+sub is_deleted {
+ my $diffinfo = shift;
+
+ return $diffinfo->{'to_id'} eq ('0' x 40) || $diffinfo->{'to_id'} eq ('0' x 64);
+}
+
+# does patch correspond to [previous] difftree raw line
+# $diffinfo - hashref of parsed raw diff format
+# $patchinfo - hashref of parsed patch diff format
+# (the same keys as in $diffinfo)
+sub is_patch_split {
+ my ($diffinfo, $patchinfo) = @_;
+
+ return defined $diffinfo && defined $patchinfo
+ && $diffinfo->{'to_file'} eq $patchinfo->{'to_file'};
+}
+
+
+sub git_difftree_body {
+ my ($difftree, $hash, @parents) = @_;
+ my ($parent) = $parents[0];
+ my $have_blame = gitweb_check_feature('blame');
+ print "<div class=\"list_head\">\n";
+ if ($#{$difftree} > 10) {
+ print(($#{$difftree} + 1) . " files changed:\n");
+ }
+ print "</div>\n";
+
+ print "<table class=\"" .
+ (@parents > 1 ? "combined " : "") .
+ "diff_tree\">\n";
+
+ # header only for combined diff in 'commitdiff' view
+ my $has_header = @$difftree && @parents > 1 && $action eq 'commitdiff';
+ if ($has_header) {
+ # table header
+ print "<thead><tr>\n" .
+ "<th></th><th></th>\n"; # filename, patchN link
+ for (my $i = 0; $i < @parents; $i++) {
+ my $par = $parents[$i];
+ print "<th>" .
+ $cgi->a({-href => href(action=>"commitdiff",
+ hash=>$hash, hash_parent=>$par),
+ -title => 'commitdiff to parent number ' .
+ ($i+1) . ': ' . substr($par,0,7)},
+ $i+1) .
+ "&nbsp;</th>\n";
+ }
+ print "</tr></thead>\n<tbody>\n";
+ }
+
+ my $alternate = 1;
+ my $patchno = 0;
+ foreach my $line (@{$difftree}) {
+ my $diff = parsed_difftree_line($line);
+
+ if ($alternate) {
+ print "<tr class=\"dark\">\n";
+ } else {
+ print "<tr class=\"light\">\n";
+ }
+ $alternate ^= 1;
+
+ if (exists $diff->{'nparents'}) { # combined diff
+
+ fill_from_file_info($diff, @parents)
+ unless exists $diff->{'from_file'};
+
+ if (!is_deleted($diff)) {
+ # file exists in the result (child) commit
+ print "<td>" .
+ $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
+ file_name=>$diff->{'to_file'},
+ hash_base=>$hash),
+ -class => "list"}, esc_path($diff->{'to_file'})) .
+ "</td>\n";
+ } else {
+ print "<td>" .
+ esc_path($diff->{'to_file'}) .
+ "</td>\n";
+ }
+
+ if ($action eq 'commitdiff') {
+ # link to patch
+ $patchno++;
+ print "<td class=\"link\">" .
+ $cgi->a({-href => href(-anchor=>"patch$patchno")},
+ "patch") .
+ " | " .
+ "</td>\n";
+ }
+
+ my $has_history = 0;
+ my $not_deleted = 0;
+ for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
+ my $hash_parent = $parents[$i];
+ my $from_hash = $diff->{'from_id'}[$i];
+ my $from_path = $diff->{'from_file'}[$i];
+ my $status = $diff->{'status'}[$i];
+
+ $has_history ||= ($status ne 'A');
+ $not_deleted ||= ($status ne 'D');
+
+ if ($status eq 'A') {
+ print "<td class=\"link\" align=\"right\"> | </td>\n";
+ } elsif ($status eq 'D') {
+ print "<td class=\"link\">" .
+ $cgi->a({-href => href(action=>"blob",
+ hash_base=>$hash,
+ hash=>$from_hash,
+ file_name=>$from_path)},
+ "blob" . ($i+1)) .
+ " | </td>\n";
+ } else {
+ if ($diff->{'to_id'} eq $from_hash) {
+ print "<td class=\"link nochange\">";
+ } else {
+ print "<td class=\"link\">";
+ }
+ print $cgi->a({-href => href(action=>"blobdiff",
+ hash=>$diff->{'to_id'},
+ hash_parent=>$from_hash,
+ hash_base=>$hash,
+ hash_parent_base=>$hash_parent,
+ file_name=>$diff->{'to_file'},
+ file_parent=>$from_path)},
+ "diff" . ($i+1)) .
+ " | </td>\n";
+ }
+ }
+
+ print "<td class=\"link\">";
+ if ($not_deleted) {
+ print $cgi->a({-href => href(action=>"blob",
+ hash=>$diff->{'to_id'},
+ file_name=>$diff->{'to_file'},
+ hash_base=>$hash)},
+ "blob");
+ print " | " if ($has_history);
+ }
+ if ($has_history) {
+ print $cgi->a({-href => href(action=>"history",
+ file_name=>$diff->{'to_file'},
+ hash_base=>$hash)},
+ "history");
+ }
+ print "</td>\n";
+
+ print "</tr>\n";
+ next; # instead of 'else' clause, to avoid extra indent
+ }
+ # else ordinary diff
+
+ my ($to_mode_oct, $to_mode_str, $to_file_type);
+ my ($from_mode_oct, $from_mode_str, $from_file_type);
+ if ($diff->{'to_mode'} ne ('0' x 6)) {
+ $to_mode_oct = oct $diff->{'to_mode'};
+ if (S_ISREG($to_mode_oct)) { # only for regular file
+ $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
+ }
+ $to_file_type = file_type($diff->{'to_mode'});
+ }
+ if ($diff->{'from_mode'} ne ('0' x 6)) {
+ $from_mode_oct = oct $diff->{'from_mode'};
+ if (S_ISREG($from_mode_oct)) { # only for regular file
+ $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
+ }
+ $from_file_type = file_type($diff->{'from_mode'});
+ }
+
+ if ($diff->{'status'} eq "A") { # created
+ my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
+ $mode_chng .= " with mode: $to_mode_str" if $to_mode_str;
+ $mode_chng .= "]</span>";
+ print "<td>";
+ print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
+ hash_base=>$hash, file_name=>$diff->{'file'}),
+ -class => "list"}, esc_path($diff->{'file'}));
+ print "</td>\n";
+ print "<td>$mode_chng</td>\n";
+ print "<td class=\"link\">";
+ if ($action eq 'commitdiff') {
+ # link to patch
+ $patchno++;
+ print $cgi->a({-href => href(-anchor=>"patch$patchno")},
+ "patch") .
+ " | ";
+ }
+ print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
+ hash_base=>$hash, file_name=>$diff->{'file'})},
+ "blob");
+ print "</td>\n";
+
+ } elsif ($diff->{'status'} eq "D") { # deleted
+ my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
+ print "<td>";
+ print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
+ hash_base=>$parent, file_name=>$diff->{'file'}),
+ -class => "list"}, esc_path($diff->{'file'}));
+ print "</td>\n";
+ print "<td>$mode_chng</td>\n";
+ print "<td class=\"link\">";
+ if ($action eq 'commitdiff') {
+ # link to patch
+ $patchno++;
+ print $cgi->a({-href => href(-anchor=>"patch$patchno")},
+ "patch") .
+ " | ";
+ }
+ print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
+ hash_base=>$parent, file_name=>$diff->{'file'})},
+ "blob") . " | ";
+ if ($have_blame) {
+ print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
+ file_name=>$diff->{'file'})},
+ "blame") . " | ";
+ }
+ print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
+ file_name=>$diff->{'file'})},
+ "history");
+ print "</td>\n";
+
+ } elsif ($diff->{'status'} eq "M" || $diff->{'status'} eq "T") { # modified, or type changed
+ my $mode_chnge = "";
+ if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
+ $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
+ if ($from_file_type ne $to_file_type) {
+ $mode_chnge .= " from $from_file_type to $to_file_type";
+ }
+ if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
+ if ($from_mode_str && $to_mode_str) {
+ $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
+ } elsif ($to_mode_str) {
+ $mode_chnge .= " mode: $to_mode_str";
+ }
+ }
+ $mode_chnge .= "]</span>\n";
+ }
+ print "<td>";
+ print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
+ hash_base=>$hash, file_name=>$diff->{'file'}),
+ -class => "list"}, esc_path($diff->{'file'}));
+ print "</td>\n";
+ print "<td>$mode_chnge</td>\n";
+ print "<td class=\"link\">";
+ if ($action eq 'commitdiff') {
+ # link to patch
+ $patchno++;
+ print $cgi->a({-href => href(-anchor=>"patch$patchno")},
+ "patch") .
+ " | ";
+ } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
+ # "commit" view and modified file (not onlu mode changed)
+ print $cgi->a({-href => href(action=>"blobdiff",
+ hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
+ hash_base=>$hash, hash_parent_base=>$parent,
+ file_name=>$diff->{'file'})},
+ "diff") .
+ " | ";
+ }
+ print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
+ hash_base=>$hash, file_name=>$diff->{'file'})},
+ "blob") . " | ";
+ if ($have_blame) {
+ print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
+ file_name=>$diff->{'file'})},
+ "blame") . " | ";
+ }
+ print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
+ file_name=>$diff->{'file'})},
+ "history");
+ print "</td>\n";
+
+ } elsif ($diff->{'status'} eq "R" || $diff->{'status'} eq "C") { # renamed or copied
+ my %status_name = ('R' => 'moved', 'C' => 'copied');
+ my $nstatus = $status_name{$diff->{'status'}};
+ my $mode_chng = "";
+ if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
+ # mode also for directories, so we cannot use $to_mode_str
+ $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
+ }
+ print "<td>" .
+ $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
+ hash=>$diff->{'to_id'}, file_name=>$diff->{'to_file'}),
+ -class => "list"}, esc_path($diff->{'to_file'})) . "</td>\n" .
+ "<td><span class=\"file_status $nstatus\">[$nstatus from " .
+ $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
+ hash=>$diff->{'from_id'}, file_name=>$diff->{'from_file'}),
+ -class => "list"}, esc_path($diff->{'from_file'})) .
+ " with " . (int $diff->{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
+ "<td class=\"link\">";
+ if ($action eq 'commitdiff') {
+ # link to patch
+ $patchno++;
+ print $cgi->a({-href => href(-anchor=>"patch$patchno")},
+ "patch") .
+ " | ";
+ } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
+ # "commit" view and modified file (not only pure rename or copy)
+ print $cgi->a({-href => href(action=>"blobdiff",
+ hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
+ hash_base=>$hash, hash_parent_base=>$parent,
+ file_name=>$diff->{'to_file'}, file_parent=>$diff->{'from_file'})},
+ "diff") .
+ " | ";
+ }
+ print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
+ hash_base=>$parent, file_name=>$diff->{'to_file'})},
+ "blob") . " | ";
+ if ($have_blame) {
+ print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
+ file_name=>$diff->{'to_file'})},
+ "blame") . " | ";
+ }
+ print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
+ file_name=>$diff->{'to_file'})},
+ "history");
+ print "</td>\n";
+
+ } # we should not encounter Unmerged (U) or Unknown (X) status
+ print "</tr>\n";
+ }
+ print "</tbody>" if $has_header;
+ print "</table>\n";
+}
+
+# Print context lines and then rem/add lines in a side-by-side manner.
+sub print_sidebyside_diff_lines {
+ my ($ctx, $rem, $add) = @_;
+
+ # print context block before add/rem block
+ if (@$ctx) {
+ print join '',
+ '<div class="chunk_block ctx">',
+ '<div class="old">',
+ @$ctx,
+ '</div>',
+ '<div class="new">',
+ @$ctx,
+ '</div>',
+ '</div>';
+ }
+
+ if (!@$add) {
+ # pure removal
+ print join '',
+ '<div class="chunk_block rem">',
+ '<div class="old">',
+ @$rem,
+ '</div>',
+ '</div>';
+ } elsif (!@$rem) {
+ # pure addition
+ print join '',
+ '<div class="chunk_block add">',
+ '<div class="new">',
+ @$add,
+ '</div>',
+ '</div>';
+ } else {
+ print join '',
+ '<div class="chunk_block chg">',
+ '<div class="old">',
+ @$rem,
+ '</div>',
+ '<div class="new">',
+ @$add,
+ '</div>',
+ '</div>';
+ }
+}
+
+# Print context lines and then rem/add lines in inline manner.
+sub print_inline_diff_lines {
+ my ($ctx, $rem, $add) = @_;
+
+ print @$ctx, @$rem, @$add;
+}
+
+# Format removed and added line, mark changed part and HTML-format them.
+# Implementation is based on contrib/diff-highlight
+sub format_rem_add_lines_pair {
+ my ($rem, $add, $num_parents) = @_;
+
+ # We need to untabify lines before split()'ing them;
+ # otherwise offsets would be invalid.
+ chomp $rem;
+ chomp $add;
+ $rem = untabify($rem);
+ $add = untabify($add);
+
+ my @rem = split(//, $rem);
+ my @add = split(//, $add);
+ my ($esc_rem, $esc_add);
+ # Ignore leading +/- characters for each parent.
+ my ($prefix_len, $suffix_len) = ($num_parents, 0);
+ my ($prefix_has_nonspace, $suffix_has_nonspace);
+
+ my $shorter = (@rem < @add) ? @rem : @add;
+ while ($prefix_len < $shorter) {
+ last if ($rem[$prefix_len] ne $add[$prefix_len]);
+
+ $prefix_has_nonspace = 1 if ($rem[$prefix_len] !~ /\s/);
+ $prefix_len++;
+ }
+
+ while ($prefix_len + $suffix_len < $shorter) {
+ last if ($rem[-1 - $suffix_len] ne $add[-1 - $suffix_len]);
+
+ $suffix_has_nonspace = 1 if ($rem[-1 - $suffix_len] !~ /\s/);
+ $suffix_len++;
+ }
+
+ # Mark lines that are different from each other, but have some common
+ # part that isn't whitespace. If lines are completely different, don't
+ # mark them because that would make output unreadable, especially if
+ # diff consists of multiple lines.
+ if ($prefix_has_nonspace || $suffix_has_nonspace) {
+ $esc_rem = esc_html_hl_regions($rem, 'marked',
+ [$prefix_len, @rem - $suffix_len], -nbsp=>1);
+ $esc_add = esc_html_hl_regions($add, 'marked',
+ [$prefix_len, @add - $suffix_len], -nbsp=>1);
+ } else {
+ $esc_rem = esc_html($rem, -nbsp=>1);
+ $esc_add = esc_html($add, -nbsp=>1);
+ }
+
+ return format_diff_line(\$esc_rem, 'rem'),
+ format_diff_line(\$esc_add, 'add');
+}
+
+# HTML-format diff context, removed and added lines.
+sub format_ctx_rem_add_lines {
+ my ($ctx, $rem, $add, $num_parents) = @_;
+ my (@new_ctx, @new_rem, @new_add);
+ my $can_highlight = 0;
+ my $is_combined = ($num_parents > 1);
+
+ # Highlight if every removed line has a corresponding added line.
+ if (@$add > 0 && @$add == @$rem) {
+ $can_highlight = 1;
+
+ # Highlight lines in combined diff only if the chunk contains
+ # diff between the same version, e.g.
+ #
+ # - a
+ # - b
+ # + c
+ # + d
+ #
+ # Otherwise the highlighting would be confusing.
+ if ($is_combined) {
+ for (my $i = 0; $i < @$add; $i++) {
+ my $prefix_rem = substr($rem->[$i], 0, $num_parents);
+ my $prefix_add = substr($add->[$i], 0, $num_parents);
+
+ $prefix_rem =~ s/-/+/g;
+
+ if ($prefix_rem ne $prefix_add) {
+ $can_highlight = 0;
+ last;
+ }
+ }
+ }
+ }
+
+ if ($can_highlight) {
+ for (my $i = 0; $i < @$add; $i++) {
+ my ($line_rem, $line_add) = format_rem_add_lines_pair(
+ $rem->[$i], $add->[$i], $num_parents);
+ push @new_rem, $line_rem;
+ push @new_add, $line_add;
+ }
+ } else {
+ @new_rem = map { format_diff_line($_, 'rem') } @$rem;
+ @new_add = map { format_diff_line($_, 'add') } @$add;
+ }
+
+ @new_ctx = map { format_diff_line($_, 'ctx') } @$ctx;
+
+ return (\@new_ctx, \@new_rem, \@new_add);
+}
+
+# Print context lines and then rem/add lines.
+sub print_diff_lines {
+ my ($ctx, $rem, $add, $diff_style, $num_parents) = @_;
+ my $is_combined = $num_parents > 1;
+
+ ($ctx, $rem, $add) = format_ctx_rem_add_lines($ctx, $rem, $add,
+ $num_parents);
+
+ if ($diff_style eq 'sidebyside' && !$is_combined) {
+ print_sidebyside_diff_lines($ctx, $rem, $add);
+ } else {
+ # default 'inline' style and unknown styles
+ print_inline_diff_lines($ctx, $rem, $add);
+ }
+}
+
+sub print_diff_chunk {
+ my ($diff_style, $num_parents, $from, $to, @chunk) = @_;
+ my (@ctx, @rem, @add);
+
+ # The class of the previous line.
+ my $prev_class = '';
+
+ return unless @chunk;
+
+ # incomplete last line might be among removed or added lines,
+ # or both, or among context lines: find which
+ for (my $i = 1; $i < @chunk; $i++) {
+ if ($chunk[$i][0] eq 'incomplete') {
+ $chunk[$i][0] = $chunk[$i-1][0];
+ }
+ }
+
+ # guardian
+ push @chunk, ["", ""];
+
+ foreach my $line_info (@chunk) {
+ my ($class, $line) = @$line_info;
+
+ # print chunk headers
+ if ($class && $class eq 'chunk_header') {
+ print format_diff_line($line, $class, $from, $to);
+ next;
+ }
+
+ ## print from accumulator when have some add/rem lines or end
+ # of chunk (flush context lines), or when have add and rem
+ # lines and new block is reached (otherwise add/rem lines could
+ # be reordered)
+ if (!$class || ((@rem || @add) && $class eq 'ctx') ||
+ (@rem && @add && $class ne $prev_class)) {
+ print_diff_lines(\@ctx, \@rem, \@add,
+ $diff_style, $num_parents);
+ @ctx = @rem = @add = ();
+ }
+
+ ## adding lines to accumulator
+ # guardian value
+ last unless $line;
+ # rem, add or change
+ if ($class eq 'rem') {
+ push @rem, $line;
+ } elsif ($class eq 'add') {
+ push @add, $line;
+ }
+ # context line
+ if ($class eq 'ctx') {
+ push @ctx, $line;
+ }
+
+ $prev_class = $class;
+ }
+}
+
+sub git_patchset_body {
+ my ($fd, $diff_style, $difftree, $hash, @hash_parents) = @_;
+ my ($hash_parent) = $hash_parents[0];
+
+ my $is_combined = (@hash_parents > 1);
+ my $patch_idx = 0;
+ my $patch_number = 0;
+ my $patch_line;
+ my $diffinfo;
+ my $to_name;
+ my (%from, %to);
+ my @chunk; # for side-by-side diff
+
+ print "<div class=\"patchset\">\n";
+
+ # skip to first patch
+ while ($patch_line = <$fd>) {
+ chomp $patch_line;
+
+ last if ($patch_line =~ m/^diff /);
+ }
+
+ PATCH:
+ while ($patch_line) {
+
+ # parse "git diff" header line
+ if ($patch_line =~ m/^diff --git (\"(?:[^\\\"]*(?:\\.[^\\\"]*)*)\"|[^ "]*) (.*)$/) {
+ # $1 is from_name, which we do not use
+ $to_name = unquote($2);
+ $to_name =~ s!^b/!!;
+ } elsif ($patch_line =~ m/^diff --(cc|combined) ("?.*"?)$/) {
+ # $1 is 'cc' or 'combined', which we do not use
+ $to_name = unquote($2);
+ } else {
+ $to_name = undef;
+ }
+
+ # check if current patch belong to current raw line
+ # and parse raw git-diff line if needed
+ if (is_patch_split($diffinfo, { 'to_file' => $to_name })) {
+ # this is continuation of a split patch
+ print "<div class=\"patch cont\">\n";
+ } else {
+ # advance raw git-diff output if needed
+ $patch_idx++ if defined $diffinfo;
+
+ # read and prepare patch information
+ $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
+
+ # compact combined diff output can have some patches skipped
+ # find which patch (using pathname of result) we are at now;
+ if ($is_combined) {
+ while ($to_name ne $diffinfo->{'to_file'}) {
+ print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" .
+ format_diff_cc_simplified($diffinfo, @hash_parents) .
+ "</div>\n"; # class="patch"
+
+ $patch_idx++;
+ $patch_number++;
+
+ last if $patch_idx > $#$difftree;
+ $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
+ }
+ }
+
+ # modifies %from, %to hashes
+ parse_from_to_diffinfo($diffinfo, \%from, \%to, @hash_parents);
+
+ # this is first patch for raw difftree line with $patch_idx index
+ # we index @$difftree array from 0, but number patches from 1
+ print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
+ }
+
+ # git diff header
+ #assert($patch_line =~ m/^diff /) if DEBUG;
+ #assert($patch_line !~ m!$/$!) if DEBUG; # is chomp-ed
+ $patch_number++;
+ # print "git diff" header
+ print format_git_diff_header_line($patch_line, $diffinfo,
+ \%from, \%to);
+
+ # print extended diff header
+ print "<div class=\"diff extended_header\">\n";
+ EXTENDED_HEADER:
+ while ($patch_line = <$fd>) {
+ chomp $patch_line;
+
+ last EXTENDED_HEADER if ($patch_line =~ m/^--- |^diff /);
+
+ print format_extended_diff_header_line($patch_line, $diffinfo,
+ \%from, \%to);
+ }
+ print "</div>\n"; # class="diff extended_header"
+
+ # from-file/to-file diff header
+ if (! $patch_line) {
+ print "</div>\n"; # class="patch"
+ last PATCH;
+ }
+ next PATCH if ($patch_line =~ m/^diff /);
+ #assert($patch_line =~ m/^---/) if DEBUG;
+
+ my $last_patch_line = $patch_line;
+ $patch_line = <$fd>;
+ chomp $patch_line;
+ #assert($patch_line =~ m/^\+\+\+/) if DEBUG;
+
+ print format_diff_from_to_header($last_patch_line, $patch_line,
+ $diffinfo, \%from, \%to,
+ @hash_parents);
+
+ # the patch itself
+ LINE:
+ while ($patch_line = <$fd>) {
+ chomp $patch_line;
+
+ next PATCH if ($patch_line =~ m/^diff /);
+
+ my $class = diff_line_class($patch_line, \%from, \%to);
+
+ if ($class eq 'chunk_header') {
+ print_diff_chunk($diff_style, scalar @hash_parents, \%from, \%to, @chunk);
+ @chunk = ();
+ }
+
+ push @chunk, [ $class, $patch_line ];
+ }
+
+ } continue {
+ if (@chunk) {
+ print_diff_chunk($diff_style, scalar @hash_parents, \%from, \%to, @chunk);
+ @chunk = ();
+ }
+ print "</div>\n"; # class="patch"
+ }
+
+ # for compact combined (--cc) format, with chunk and patch simplification
+ # the patchset might be empty, but there might be unprocessed raw lines
+ for (++$patch_idx if $patch_number > 0;
+ $patch_idx < @$difftree;
+ ++$patch_idx) {
+ # read and prepare patch information
+ $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
+
+ # generate anchor for "patch" links in difftree / whatchanged part
+ print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" .
+ format_diff_cc_simplified($diffinfo, @hash_parents) .
+ "</div>\n"; # class="patch"
+
+ $patch_number++;
+ }
+
+ if ($patch_number == 0) {
+ if (@hash_parents > 1) {
+ print "<div class=\"diff nodifferences\">Trivial merge</div>\n";
+ } else {
+ print "<div class=\"diff nodifferences\">No differences found</div>\n";
+ }
+ }
+
+ print "</div>\n"; # class="patchset"
+}
+
+# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+
+sub git_project_search_form {
+ my ($searchtext, $search_use_regexp) = @_;
+
+ my $limit = '';
+ if ($project_filter) {
+ $limit = " in '$project_filter/'";
+ }
+
+ print "<div class=\"projsearch\">\n";
+ print $cgi->start_form(-method => 'get', -action => $my_uri) .
+ $cgi->hidden(-name => 'a', -value => 'project_list') . "\n";
+ print $cgi->hidden(-name => 'pf', -value => $project_filter). "\n"
+ if (defined $project_filter);
+ print $cgi->textfield(-name => 's', -value => $searchtext,
+ -title => "Search project by name and description$limit",
+ -size => 60) . "\n" .
+ "<span title=\"Extended regular expression\">" .
+ $cgi->checkbox(-name => 'sr', -value => 1, -label => 're',
+ -checked => $search_use_regexp) .
+ "</span>\n" .
+ $cgi->submit(-name => 'btnS', -value => 'Search') .
+ $cgi->end_form() . "\n" .
+ $cgi->a({-href => href(project => undef, searchtext => undef,
+ project_filter => $project_filter)},
+ esc_html("List all projects$limit")) . "<br />\n";
+ print "</div>\n";
+}
+
+# entry for given @keys needs filling if at least one of keys in list
+# is not present in %$project_info
+sub project_info_needs_filling {
+ my ($project_info, @keys) = @_;
+
+ # return List::MoreUtils::any { !exists $project_info->{$_} } @keys;
+ foreach my $key (@keys) {
+ if (!exists $project_info->{$key}) {
+ return 1;
+ }
+ }
+ return;
+}
+
+# fills project list info (age, description, owner, category, forks, etc.)
+# for each project in the list, removing invalid projects from
+# returned list, or fill only specified info.
+#
+# Invalid projects are removed from the returned list if and only if you
+# ask 'age' or 'age_string' to be filled, because they are the only fields
+# that run unconditionally git command that requires repository, and
+# therefore do always check if project repository is invalid.
+#
+# USAGE:
+# * fill_project_list_info(\@project_list, 'descr_long', 'ctags')
+# ensures that 'descr_long' and 'ctags' fields are filled
+# * @project_list = fill_project_list_info(\@project_list)
+# ensures that all fields are filled (and invalid projects removed)
+#
+# NOTE: modifies $projlist, but does not remove entries from it
+sub fill_project_list_info {
+ my ($projlist, @wanted_keys) = @_;
+ my @projects;
+ my $filter_set = sub { return @_; };
+ if (@wanted_keys) {
+ my %wanted_keys = map { $_ => 1 } @wanted_keys;
+ $filter_set = sub { return grep { $wanted_keys{$_} } @_; };
+ }
+
+ my $show_ctags = gitweb_check_feature('ctags');
+ PROJECT:
+ foreach my $pr (@$projlist) {
+ if (project_info_needs_filling($pr, $filter_set->('age', 'age_string'))) {
+ my (@activity) = git_get_last_activity($pr->{'path'});
+ unless (@activity) {
+ next PROJECT;
+ }
+ ($pr->{'age'}, $pr->{'age_string'}) = @activity;
+ }
+ if (project_info_needs_filling($pr, $filter_set->('descr', 'descr_long'))) {
+ my $descr = git_get_project_description($pr->{'path'}) || "";
+ $descr = to_utf8($descr);
+ $pr->{'descr_long'} = $descr;
+ $pr->{'descr'} = chop_str($descr, $projects_list_description_width, 5);
+ }
+ if (project_info_needs_filling($pr, $filter_set->('owner'))) {
+ $pr->{'owner'} = git_get_project_owner("$pr->{'path'}") || "";
+ }
+ if ($show_ctags &&
+ project_info_needs_filling($pr, $filter_set->('ctags'))) {
+ $pr->{'ctags'} = git_get_project_ctags($pr->{'path'});
+ }
+ if ($projects_list_group_categories &&
+ project_info_needs_filling($pr, $filter_set->('category'))) {
+ my $cat = git_get_project_category($pr->{'path'}) ||
+ $project_list_default_category;
+ $pr->{'category'} = to_utf8($cat);
+ }
+
+ push @projects, $pr;
+ }
+
+ return @projects;
+}
+
+sub sort_projects_list {
+ my ($projlist, $order) = @_;
+
+ sub order_str {
+ my $key = shift;
+ return sub { $a->{$key} cmp $b->{$key} };
+ }
+
+ sub order_num_then_undef {
+ my $key = shift;
+ return sub {
+ defined $a->{$key} ?
+ (defined $b->{$key} ? $a->{$key} <=> $b->{$key} : -1) :
+ (defined $b->{$key} ? 1 : 0)
+ };
+ }
+
+ my %orderings = (
+ project => order_str('path'),
+ descr => order_str('descr_long'),
+ owner => order_str('owner'),
+ age => order_num_then_undef('age'),
+ );
+
+ my $ordering = $orderings{$order};
+ return defined $ordering ? sort $ordering @$projlist : @$projlist;
+}
+
+# returns a hash of categories, containing the list of project
+# belonging to each category
+sub build_projlist_by_category {
+ my ($projlist, $from, $to) = @_;
+ my %categories;
+
+ $from = 0 unless defined $from;
+ $to = $#$projlist if (!defined $to || $#$projlist < $to);
+
+ for (my $i = $from; $i <= $to; $i++) {
+ my $pr = $projlist->[$i];
+ push @{$categories{ $pr->{'category'} }}, $pr;
+ }
+
+ return wantarray ? %categories : \%categories;
+}
+
+# print 'sort by' <th> element, generating 'sort by $name' replay link
+# if that order is not selected
+sub print_sort_th {
+ print format_sort_th(@_);
+}
+
+sub format_sort_th {
+ my ($name, $order, $header) = @_;
+ my $sort_th = "";
+ $header ||= ucfirst($name);
+
+ if ($order eq $name) {
+ $sort_th .= "<th>$header</th>\n";
+ } else {
+ $sort_th .= "<th>" .
+ $cgi->a({-href => href(-replay=>1, order=>$name),
+ -class => "header"}, $header) .
+ "</th>\n";
+ }
+
+ return $sort_th;
+}
+
+sub git_project_list_rows {
+ my ($projlist, $from, $to, $check_forks) = @_;
+
+ $from = 0 unless defined $from;
+ $to = $#$projlist if (!defined $to || $#$projlist < $to);
+
+ my $alternate = 1;
+ for (my $i = $from; $i <= $to; $i++) {
+ my $pr = $projlist->[$i];
+
+ if ($alternate) {
+ print "<tr class=\"dark\">\n";
+ } else {
+ print "<tr class=\"light\">\n";
+ }
+ $alternate ^= 1;
+
+ if ($check_forks) {
+ print "<td>";
+ if ($pr->{'forks'}) {
+ my $nforks = scalar @{$pr->{'forks'}};
+ if ($nforks > 0) {
+ print $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks"),
+ -title => "$nforks forks"}, "+");
+ } else {
+ print $cgi->span({-title => "$nforks forks"}, "+");
+ }
+ }
+ print "</td>\n";
+ }
+ print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
+ -class => "list"},
+ esc_html_match_hl($pr->{'path'}, $search_regexp)) .
+ "</td>\n" .
+ "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
+ -class => "list",
+ -title => $pr->{'descr_long'}},
+ $search_regexp
+ ? esc_html_match_hl_chopped($pr->{'descr_long'},
+ $pr->{'descr'}, $search_regexp)
+ : esc_html($pr->{'descr'})) .
+ "</td>\n";
+ unless ($omit_owner) {
+ print "<td><i>" . chop_and_escape_str($pr->{'owner'}, 15) . "</i></td>\n";
+ }
+ unless ($omit_age_column) {
+ print "<td class=\"". age_class($pr->{'age'}) . "\">" .
+ (defined $pr->{'age_string'} ? $pr->{'age_string'} : "No commits") . "</td>\n";
+ }
+ print"<td class=\"link\">" .
+ $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary") . " | " .
+ $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
+ $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
+ $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
+ ($pr->{'forks'} ? " | " . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "forks") : '') .
+ "</td>\n" .
+ "</tr>\n";
+ }
+}
+
+sub git_project_list_body {
+ # actually uses global variable $project
+ my ($projlist, $order, $from, $to, $extra, $no_header) = @_;
+ my @projects = @$projlist;
+
+ my $check_forks = gitweb_check_feature('forks');
+ my $show_ctags = gitweb_check_feature('ctags');
+ my $tagfilter = $show_ctags ? $input_params{'ctag'} : undef;
+ $check_forks = undef
+ if ($tagfilter || $search_regexp);
+
+ # filtering out forks before filling info allows to do less work
+ @projects = filter_forks_from_projects_list(\@projects)
+ if ($check_forks);
+ # search_projects_list pre-fills required info
+ @projects = search_projects_list(\@projects,
+ 'search_regexp' => $search_regexp,
+ 'tagfilter' => $tagfilter)
+ if ($tagfilter || $search_regexp);
+ # fill the rest
+ my @all_fields = ('descr', 'descr_long', 'ctags', 'category');
+ push @all_fields, ('age', 'age_string') unless($omit_age_column);
+ push @all_fields, 'owner' unless($omit_owner);
+ @projects = fill_project_list_info(\@projects, @all_fields);
+
+ $order ||= $default_projects_order;
+ $from = 0 unless defined $from;
+ $to = $#projects if (!defined $to || $#projects < $to);
+
+ # short circuit
+ if ($from > $to) {
+ print "<center>\n".
+ "<b>No such projects found</b><br />\n".
+ "Click ".$cgi->a({-href=>href(project=>undef)},"here")." to view all projects<br />\n".
+ "</center>\n<br />\n";
+ return;
+ }
+
+ @projects = sort_projects_list(\@projects, $order);
+
+ if ($show_ctags) {
+ my $ctags = git_gather_all_ctags(\@projects);
+ my $cloud = git_populate_project_tagcloud($ctags);
+ print git_show_project_tagcloud($cloud, 64);
+ }
+
+ print "<table class=\"project_list\">\n";
+ unless ($no_header) {
+ print "<tr>\n";
+ if ($check_forks) {
+ print "<th></th>\n";
+ }
+ print_sort_th('project', $order, 'Project');
+ print_sort_th('descr', $order, 'Description');
+ print_sort_th('owner', $order, 'Owner') unless $omit_owner;
+ print_sort_th('age', $order, 'Last Change') unless $omit_age_column;
+ print "<th></th>\n" . # for links
+ "</tr>\n";
+ }
+
+ if ($projects_list_group_categories) {
+ # only display categories with projects in the $from-$to window
+ @projects = sort {$a->{'category'} cmp $b->{'category'}} @projects[$from..$to];
+ my %categories = build_projlist_by_category(\@projects, $from, $to);
+ foreach my $cat (sort keys %categories) {
+ unless ($cat eq "") {
+ print "<tr>\n";
+ if ($check_forks) {
+ print "<td></td>\n";
+ }
+ print "<td class=\"category\" colspan=\"5\">".esc_html($cat)."</td>\n";
+ print "</tr>\n";
+ }
+
+ git_project_list_rows($categories{$cat}, undef, undef, $check_forks);
+ }
+ } else {
+ git_project_list_rows(\@projects, $from, $to, $check_forks);
+ }
+
+ if (defined $extra) {
+ print "<tr>\n";
+ if ($check_forks) {
+ print "<td></td>\n";
+ }
+ print "<td colspan=\"5\">$extra</td>\n" .
+ "</tr>\n";
+ }
+ print "</table>\n";
+}
+
+sub git_log_body {
+ # uses global variable $project
+ my ($commitlist, $from, $to, $refs, $extra) = @_;
+
+ $from = 0 unless defined $from;
+ $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
+
+ for (my $i = 0; $i <= $to; $i++) {
+ my %co = %{$commitlist->[$i]};
+ next if !%co;
+ my $commit = $co{'id'};
+ my $ref = format_ref_marker($refs, $commit);
+ git_print_header_div('commit',
+ "<span class=\"age\">$co{'age_string'}</span>" .
+ esc_html($co{'title'}) . $ref,
+ $commit);
+ print "<div class=\"title_text\">\n" .
+ "<div class=\"log_link\">\n" .
+ $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
+ " | " .
+ $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
+ " | " .
+ $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
+ "<br/>\n" .
+ "</div>\n";
+ git_print_authorship(\%co, -tag => 'span');
+ print "<br/>\n</div>\n";
+
+ print "<div class=\"log_body\">\n";
+ git_print_log($co{'comment'}, -final_empty_line=> 1);
+ print "</div>\n";
+ }
+ if ($extra) {
+ print "<div class=\"page_nav\">\n";
+ print "$extra\n";
+ print "</div>\n";
+ }
+}
+
+sub git_shortlog_body {
+ # uses global variable $project
+ my ($commitlist, $from, $to, $refs, $extra) = @_;
+
+ $from = 0 unless defined $from;
+ $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
+
+ print "<table class=\"shortlog\">\n";
+ my $alternate = 1;
+ for (my $i = $from; $i <= $to; $i++) {
+ my %co = %{$commitlist->[$i]};
+ my $commit = $co{'id'};
+ my $ref = format_ref_marker($refs, $commit);
+ if ($alternate) {
+ print "<tr class=\"dark\">\n";
+ } else {
+ print "<tr class=\"light\">\n";
+ }
+ $alternate ^= 1;
+ # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
+ print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
+ format_author_html('td', \%co, 10) . "<td>";
+ print format_subject_html($co{'title'}, $co{'title_short'},
+ href(action=>"commit", hash=>$commit), $ref);
+ print "</td>\n" .
+ "<td class=\"link\">" .
+ $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
+ $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
+ $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
+ my $snapshot_links = format_snapshot_links($commit);
+ if (defined $snapshot_links) {
+ print " | " . $snapshot_links;
+ }
+ print "</td>\n" .
+ "</tr>\n";
+ }
+ if (defined $extra) {
+ print "<tr>\n" .
+ "<td colspan=\"4\">$extra</td>\n" .
+ "</tr>\n";
+ }
+ print "</table>\n";
+}
+
+sub git_history_body {
+ # Warning: assumes constant type (blob or tree) during history
+ my ($commitlist, $from, $to, $refs, $extra,
+ $file_name, $file_hash, $ftype) = @_;
+
+ $from = 0 unless defined $from;
+ $to = $#{$commitlist} unless (defined $to && $to <= $#{$commitlist});
+
+ print "<table class=\"history\">\n";
+ my $alternate = 1;
+ for (my $i = $from; $i <= $to; $i++) {
+ my %co = %{$commitlist->[$i]};
+ if (!%co) {
+ next;
+ }
+ my $commit = $co{'id'};
+
+ my $ref = format_ref_marker($refs, $commit);
+
+ if ($alternate) {
+ print "<tr class=\"dark\">\n";
+ } else {
+ print "<tr class=\"light\">\n";
+ }
+ $alternate ^= 1;
+ print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
+ # shortlog: format_author_html('td', \%co, 10)
+ format_author_html('td', \%co, 15, 3) . "<td>";
+ # originally git_history used chop_str($co{'title'}, 50)
+ print format_subject_html($co{'title'}, $co{'title_short'},
+ href(action=>"commit", hash=>$commit), $ref);
+ print "</td>\n" .
+ "<td class=\"link\">" .
+ $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " .
+ $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
+
+ if ($ftype eq 'blob') {
+ print " | " .
+ $cgi->a({-href => href(action=>"blob_plain", hash_base=>$commit, file_name=>$file_name)}, "raw");
+
+ my $blob_current = $file_hash;
+ my $blob_parent = git_get_hash_by_path($commit, $file_name);
+ if (defined $blob_current && defined $blob_parent &&
+ $blob_current ne $blob_parent) {
+ print " | " .
+ $cgi->a({-href => href(action=>"blobdiff",
+ hash=>$blob_current, hash_parent=>$blob_parent,
+ hash_base=>$hash_base, hash_parent_base=>$commit,
+ file_name=>$file_name)},
+ "diff to current");
+ }
+ }
+ print "</td>\n" .
+ "</tr>\n";
+ }
+ if (defined $extra) {
+ print "<tr>\n" .
+ "<td colspan=\"4\">$extra</td>\n" .
+ "</tr>\n";
+ }
+ print "</table>\n";
+}
+
+sub git_tags_body {
+ # uses global variable $project
+ my ($taglist, $from, $to, $extra) = @_;
+ $from = 0 unless defined $from;
+ $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
+
+ print "<table class=\"tags\">\n";
+ my $alternate = 1;
+ for (my $i = $from; $i <= $to; $i++) {
+ my $entry = $taglist->[$i];
+ my %tag = %$entry;
+ my $comment = $tag{'subject'};
+ my $comment_short;
+ if (defined $comment) {
+ $comment_short = chop_str($comment, 30, 5);
+ }
+ if ($alternate) {
+ print "<tr class=\"dark\">\n";
+ } else {
+ print "<tr class=\"light\">\n";
+ }
+ $alternate ^= 1;
+ if (defined $tag{'age'}) {
+ print "<td><i>$tag{'age'}</i></td>\n";
+ } else {
+ print "<td></td>\n";
+ }
+ print "<td>" .
+ $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
+ -class => "list name"}, esc_html($tag{'name'})) .
+ "</td>\n" .
+ "<td>";
+ if (defined $comment) {
+ print format_subject_html($comment, $comment_short,
+ href(action=>"tag", hash=>$tag{'id'}));
+ }
+ print "</td>\n" .
+ "<td class=\"selflink\">";
+ if ($tag{'type'} eq "tag") {
+ print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
+ } else {
+ print "&nbsp;";
+ }
+ print "</td>\n" .
+ "<td class=\"link\">" . " | " .
+ $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
+ if ($tag{'reftype'} eq "commit") {
+ print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'fullname'})}, "shortlog") .
+ " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'fullname'})}, "log");
+ } elsif ($tag{'reftype'} eq "blob") {
+ print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
+ }
+ print "</td>\n" .
+ "</tr>";
+ }
+ if (defined $extra) {
+ print "<tr>\n" .
+ "<td colspan=\"5\">$extra</td>\n" .
+ "</tr>\n";
+ }
+ print "</table>\n";
+}
+
+sub git_heads_body {
+ # uses global variable $project
+ my ($headlist, $head_at, $from, $to, $extra) = @_;
+ $from = 0 unless defined $from;
+ $to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
+
+ print "<table class=\"heads\">\n";
+ my $alternate = 1;
+ for (my $i = $from; $i <= $to; $i++) {
+ my $entry = $headlist->[$i];
+ my %ref = %$entry;
+ my $curr = defined $head_at && $ref{'id'} eq $head_at;
+ if ($alternate) {
+ print "<tr class=\"dark\">\n";
+ } else {
+ print "<tr class=\"light\">\n";
+ }
+ $alternate ^= 1;
+ print "<td><i>$ref{'age'}</i></td>\n" .
+ ($curr ? "<td class=\"current_head\">" : "<td>") .
+ $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'}),
+ -class => "list name"},esc_html($ref{'name'})) .
+ "</td>\n" .
+ "<td class=\"link\">" .
+ $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'})}, "shortlog") . " | " .
+ $cgi->a({-href => href(action=>"log", hash=>$ref{'fullname'})}, "log") . " | " .
+ $cgi->a({-href => href(action=>"tree", hash=>$ref{'fullname'}, hash_base=>$ref{'fullname'})}, "tree") .
+ "</td>\n" .
+ "</tr>";
+ }
+ if (defined $extra) {
+ print "<tr>\n" .
+ "<td colspan=\"3\">$extra</td>\n" .
+ "</tr>\n";
+ }
+ print "</table>\n";
+}
+
+# Display a single remote block
+sub git_remote_block {
+ my ($remote, $rdata, $limit, $head) = @_;
+
+ my $heads = $rdata->{'heads'};
+ my $fetch = $rdata->{'fetch'};
+ my $push = $rdata->{'push'};
+
+ my $urls_table = "<table class=\"projects_list\">\n" ;
+
+ if (defined $fetch) {
+ if ($fetch eq $push) {
+ $urls_table .= format_repo_url("URL", $fetch);
+ } else {
+ $urls_table .= format_repo_url("Fetch URL", $fetch);
+ $urls_table .= format_repo_url("Push URL", $push) if defined $push;
+ }
+ } elsif (defined $push) {
+ $urls_table .= format_repo_url("Push URL", $push);
+ } else {
+ $urls_table .= format_repo_url("", "No remote URL");
+ }
+
+ $urls_table .= "</table>\n";
+
+ my $dots;
+ if (defined $limit && $limit < @$heads) {
+ $dots = $cgi->a({-href => href(action=>"remotes", hash=>$remote)}, "...");
+ }
+
+ print $urls_table;
+ git_heads_body($heads, $head, 0, $limit, $dots);
+}
+
+# Display a list of remote names with the respective fetch and push URLs
+sub git_remotes_list {
+ my ($remotedata, $limit) = @_;
+ print "<table class=\"heads\">\n";
+ my $alternate = 1;
+ my @remotes = sort keys %$remotedata;
+
+ my $limited = $limit && $limit < @remotes;
+
+ $#remotes = $limit - 1 if $limited;
+
+ while (my $remote = shift @remotes) {
+ my $rdata = $remotedata->{$remote};
+ my $fetch = $rdata->{'fetch'};
+ my $push = $rdata->{'push'};
+ if ($alternate) {
+ print "<tr class=\"dark\">\n";
+ } else {
+ print "<tr class=\"light\">\n";
+ }
+ $alternate ^= 1;
+ print "<td>" .
+ $cgi->a({-href=> href(action=>'remotes', hash=>$remote),
+ -class=> "list name"},esc_html($remote)) .
+ "</td>";
+ print "<td class=\"link\">" .
+ (defined $fetch ? $cgi->a({-href=> $fetch}, "fetch") : "fetch") .
+ " | " .
+ (defined $push ? $cgi->a({-href=> $push}, "push") : "push") .
+ "</td>";
+
+ print "</tr>\n";
+ }
+
+ if ($limited) {
+ print "<tr>\n" .
+ "<td colspan=\"3\">" .
+ $cgi->a({-href => href(action=>"remotes")}, "...") .
+ "</td>\n" . "</tr>\n";
+ }
+
+ print "</table>";
+}
+
+# Display remote heads grouped by remote, unless there are too many
+# remotes, in which case we only display the remote names
+sub git_remotes_body {
+ my ($remotedata, $limit, $head) = @_;
+ if ($limit and $limit < keys %$remotedata) {
+ git_remotes_list($remotedata, $limit);
+ } else {
+ fill_remote_heads($remotedata);
+ while (my ($remote, $rdata) = each %$remotedata) {
+ git_print_section({-class=>"remote", -id=>$remote},
+ ["remotes", $remote, $remote], sub {
+ git_remote_block($remote, $rdata, $limit, $head);
+ });
+ }
+ }
+}
+
+sub git_search_message {
+ my %co = @_;
+
+ my $greptype;
+ if ($searchtype eq 'commit') {
+ $greptype = "--grep=";
+ } elsif ($searchtype eq 'author') {
+ $greptype = "--author=";
+ } elsif ($searchtype eq 'committer') {
+ $greptype = "--committer=";
+ }
+ $greptype .= $searchtext;
+ my @commitlist = parse_commits($hash, 101, (100 * $page), undef,
+ $greptype, '--regexp-ignore-case',
+ $search_use_regexp ? '--extended-regexp' : '--fixed-strings');
+
+ my $paging_nav = '';
+ if ($page > 0) {
+ $paging_nav .=
+ $cgi->a({-href => href(-replay=>1, page=>undef)},
+ "first") .
+ " &sdot; " .
+ $cgi->a({-href => href(-replay=>1, page=>$page-1),
+ -accesskey => "p", -title => "Alt-p"}, "prev");
+ } else {
+ $paging_nav .= "first &sdot; prev";
+ }
+ my $next_link = '';
+ if ($#commitlist >= 100) {
+ $next_link =
+ $cgi->a({-href => href(-replay=>1, page=>$page+1),
+ -accesskey => "n", -title => "Alt-n"}, "next");
+ $paging_nav .= " &sdot; $next_link";
+ } else {
+ $paging_nav .= " &sdot; next";
+ }
+
+ git_header_html();
+
+ git_print_page_nav('','', $hash,$co{'tree'},$hash, $paging_nav);
+ git_print_header_div('commit', esc_html($co{'title'}), $hash);
+ if ($page == 0 && !@commitlist) {
+ print "<p>No match.</p>\n";
+ } else {
+ git_search_grep_body(\@commitlist, 0, 99, $next_link);
+ }
+
+ git_footer_html();
+}
+
+sub git_search_changes {
+ my %co = @_;
+
+ local $/ = "\n";
+ open my $fd, '-|', git_cmd(), '--no-pager', 'log', @diff_opts,
+ '--pretty=format:%H', '--no-abbrev', '--raw', "-S$searchtext",
+ ($search_use_regexp ? '--pickaxe-regex' : ())
+ or die_error(500, "Open git-log failed");
+
+ git_header_html();
+
+ git_print_page_nav('','', $hash,$co{'tree'},$hash);
+ git_print_header_div('commit', esc_html($co{'title'}), $hash);
+
+ print "<table class=\"pickaxe search\">\n";
+ my $alternate = 1;
+ undef %co;
+ my @files;
+ while (my $line = <$fd>) {
+ chomp $line;
+ next unless $line;
+
+ my %set = parse_difftree_raw_line($line);
+ if (defined $set{'commit'}) {
+ # finish previous commit
+ if (%co) {
+ print "</td>\n" .
+ "<td class=\"link\">" .
+ $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})},
+ "commit") .
+ " | " .
+ $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'},
+ hash_base=>$co{'id'})},
+ "tree") .
+ "</td>\n" .
+ "</tr>\n";
+ }
+
+ if ($alternate) {
+ print "<tr class=\"dark\">\n";
+ } else {
+ print "<tr class=\"light\">\n";
+ }
+ $alternate ^= 1;
+ %co = parse_commit($set{'commit'});
+ my $author = chop_and_escape_str($co{'author_name'}, 15, 5);
+ print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
+ "<td><i>$author</i></td>\n" .
+ "<td>" .
+ $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
+ -class => "list subject"},
+ chop_and_escape_str($co{'title'}, 50) . "<br/>");
+ } elsif (defined $set{'to_id'}) {
+ next if is_deleted(\%set);
+
+ print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
+ hash=>$set{'to_id'}, file_name=>$set{'to_file'}),
+ -class => "list"},
+ "<span class=\"match\">" . esc_path($set{'file'}) . "</span>") .
+ "<br/>\n";
+ }
+ }
+ close $fd;
+
+ # finish last commit (warning: repetition!)
+ if (%co) {
+ print "</td>\n" .
+ "<td class=\"link\">" .
+ $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})},
+ "commit") .
+ " | " .
+ $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'},
+ hash_base=>$co{'id'})},
+ "tree") .
+ "</td>\n" .
+ "</tr>\n";
+ }
+
+ print "</table>\n";
+
+ git_footer_html();
+}
+
+sub git_search_files {
+ my %co = @_;
+
+ local $/ = "\n";
+ open my $fd, "-|", git_cmd(), 'grep', '-n', '-z',
+ $search_use_regexp ? ('-E', '-i') : '-F',
+ $searchtext, $co{'tree'}
+ or die_error(500, "Open git-grep failed");
+
+ git_header_html();
+
+ git_print_page_nav('','', $hash,$co{'tree'},$hash);
+ git_print_header_div('commit', esc_html($co{'title'}), $hash);
+
+ print "<table class=\"grep_search\">\n";
+ my $alternate = 1;
+ my $matches = 0;
+ my $lastfile = '';
+ my $file_href;
+ while (my $line = <$fd>) {
+ chomp $line;
+ my ($file, $lno, $ltext, $binary);
+ last if ($matches++ > 1000);
+ if ($line =~ /^Binary file (.+) matches$/) {
+ $file = $1;
+ $binary = 1;
+ } else {
+ ($file, $lno, $ltext) = split(/\0/, $line, 3);
+ $file =~ s/^$co{'tree'}://;
+ }
+ if ($file ne $lastfile) {
+ $lastfile and print "</td></tr>\n";
+ if ($alternate++) {
+ print "<tr class=\"dark\">\n";
+ } else {
+ print "<tr class=\"light\">\n";
+ }
+ $file_href = href(action=>"blob", hash_base=>$co{'id'},
+ file_name=>$file);
+ print "<td class=\"list\">".
+ $cgi->a({-href => $file_href, -class => "list"}, esc_path($file));
+ print "</td><td>\n";
+ $lastfile = $file;
+ }
+ if ($binary) {
+ print "<div class=\"binary\">Binary file</div>\n";
+ } else {
+ $ltext = untabify($ltext);
+ if ($ltext =~ m/^(.*)($search_regexp)(.*)$/i) {
+ $ltext = esc_html($1, -nbsp=>1);
+ $ltext .= '<span class="match">';
+ $ltext .= esc_html($2, -nbsp=>1);
+ $ltext .= '</span>';
+ $ltext .= esc_html($3, -nbsp=>1);
+ } else {
+ $ltext = esc_html($ltext, -nbsp=>1);
+ }
+ print "<div class=\"pre\">" .
+ $cgi->a({-href => $file_href.'#l'.$lno,
+ -class => "linenr"}, sprintf('%4i', $lno)) .
+ ' ' . $ltext . "</div>\n";
+ }
+ }
+ if ($lastfile) {
+ print "</td></tr>\n";
+ if ($matches > 1000) {
+ print "<div class=\"diff nodifferences\">Too many matches, listing trimmed</div>\n";
+ }
+ } else {
+ print "<div class=\"diff nodifferences\">No matches found</div>\n";
+ }
+ close $fd;
+
+ print "</table>\n";
+
+ git_footer_html();
+}
+
+sub git_search_grep_body {
+ my ($commitlist, $from, $to, $extra) = @_;
+ $from = 0 unless defined $from;
+ $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
+
+ print "<table class=\"commit_search\">\n";
+ my $alternate = 1;
+ for (my $i = $from; $i <= $to; $i++) {
+ my %co = %{$commitlist->[$i]};
+ if (!%co) {
+ next;
+ }
+ my $commit = $co{'id'};
+ if ($alternate) {
+ print "<tr class=\"dark\">\n";
+ } else {
+ print "<tr class=\"light\">\n";
+ }
+ $alternate ^= 1;
+ print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
+ format_author_html('td', \%co, 15, 5) .
+ "<td>" .
+ $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
+ -class => "list subject"},
+ chop_and_escape_str($co{'title'}, 50) . "<br/>");
+ my $comment = $co{'comment'};
+ foreach my $line (@$comment) {
+ if ($line =~ m/^(.*?)($search_regexp)(.*)$/i) {
+ my ($lead, $match, $trail) = ($1, $2, $3);
+ $match = chop_str($match, 70, 5, 'center');
+ my $contextlen = int((80 - length($match))/2);
+ $contextlen = 30 if ($contextlen > 30);
+ $lead = chop_str($lead, $contextlen, 10, 'left');
+ $trail = chop_str($trail, $contextlen, 10, 'right');
+
+ $lead = esc_html($lead);
+ $match = esc_html($match);
+ $trail = esc_html($trail);
+
+ print "$lead<span class=\"match\">$match</span>$trail<br />";
+ }
+ }
+ print "</td>\n" .
+ "<td class=\"link\">" .
+ $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
+ " | " .
+ $cgi->a({-href => href(action=>"commitdiff", hash=>$co{'id'})}, "commitdiff") .
+ " | " .
+ $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
+ print "</td>\n" .
+ "</tr>\n";
+ }
+ if (defined $extra) {
+ print "<tr>\n" .
+ "<td colspan=\"3\">$extra</td>\n" .
+ "</tr>\n";
+ }
+ print "</table>\n";
+}
+
+## ======================================================================
+## ======================================================================
+## actions
+
+sub git_project_list {
+ my $order = $input_params{'order'};
+ if (defined $order && $order !~ m/none|project|descr|owner|age/) {
+ die_error(400, "Unknown order parameter");
+ }
+
+ my @list = git_get_projects_list($project_filter, $strict_export);
+ if (!@list) {
+ die_error(404, "No projects found");
+ }
+
+ git_header_html();
+ if (defined $home_text && -f $home_text) {
+ print "<div class=\"index_include\">\n";
+ insert_file($home_text);
+ print "</div>\n";
+ }
+
+ git_project_search_form($searchtext, $search_use_regexp);
+ git_project_list_body(\@list, $order);
+ git_footer_html();
+}
+
+sub git_forks {
+ my $order = $input_params{'order'};
+ if (defined $order && $order !~ m/none|project|descr|owner|age/) {
+ die_error(400, "Unknown order parameter");
+ }
+
+ my $filter = $project;
+ $filter =~ s/\.git$//;
+ my @list = git_get_projects_list($filter);
+ if (!@list) {
+ die_error(404, "No forks found");
+ }
+
+ git_header_html();
+ git_print_page_nav('','');
+ git_print_header_div('summary', "$project forks");
+ git_project_list_body(\@list, $order);
+ git_footer_html();
+}
+
+sub git_project_index {
+ my @projects = git_get_projects_list($project_filter, $strict_export);
+ if (!@projects) {
+ die_error(404, "No projects found");
+ }
+
+ print $cgi->header(
+ -type => 'text/plain',
+ -charset => 'utf-8',
+ -content_disposition => 'inline; filename="index.aux"');
+
+ foreach my $pr (@projects) {
+ if (!exists $pr->{'owner'}) {
+ $pr->{'owner'} = git_get_project_owner("$pr->{'path'}");
+ }
+
+ my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'});
+ # quote as in CGI::Util::encode, but keep the slash, and use '+' for ' '
+ $path =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
+ $owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
+ $path =~ s/ /\+/g;
+ $owner =~ s/ /\+/g;
+
+ print "$path $owner\n";
+ }
+}
+
+sub git_summary {
+ my $descr = git_get_project_description($project) || "none";
+ my %co = parse_commit("HEAD");
+ my %cd = %co ? parse_date($co{'committer_epoch'}, $co{'committer_tz'}) : ();
+ my $head = $co{'id'};
+ my $remote_heads = gitweb_check_feature('remote_heads');
+
+ my $owner = git_get_project_owner($project);
+
+ my $refs = git_get_references();
+ # These get_*_list functions return one more to allow us to see if
+ # there are more ...
+ my @taglist = git_get_tags_list(16);
+ my @headlist = git_get_heads_list(16);
+ my %remotedata = $remote_heads ? git_get_remotes_list() : ();
+ my @forklist;
+ my $check_forks = gitweb_check_feature('forks');
+
+ if ($check_forks) {
+ # find forks of a project
+ my $filter = $project;
+ $filter =~ s/\.git$//;
+ @forklist = git_get_projects_list($filter);
+ # filter out forks of forks
+ @forklist = filter_forks_from_projects_list(\@forklist)
+ if (@forklist);
+ }
+
+ git_header_html();
+ git_print_page_nav('summary','', $head);
+
+ print "<div class=\"title\">&nbsp;</div>\n";
+ print "<table class=\"projects_list\">\n" .
+ "<tr id=\"metadata_desc\"><td>description</td><td>" . esc_html($descr) . "</td></tr>\n";
+ if ($owner and not $omit_owner) {
+ print "<tr id=\"metadata_owner\"><td>owner</td><td>" . esc_html($owner) . "</td></tr>\n";
+ }
+ if (defined $cd{'rfc2822'}) {
+ print "<tr id=\"metadata_lchange\"><td>last change</td>" .
+ "<td>".format_timestamp_html(\%cd)."</td></tr>\n";
+ }
+
+ # use per project git URL list in $projectroot/$project/cloneurl
+ # or make project git URL from git base URL and project name
+ my $url_tag = "URL";
+ my @url_list = git_get_project_url_list($project);
+ @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
+ foreach my $git_url (@url_list) {
+ next unless $git_url;
+ print format_repo_url($url_tag, $git_url);
+ $url_tag = "";
+ }
+
+ # Tag cloud
+ my $show_ctags = gitweb_check_feature('ctags');
+ if ($show_ctags) {
+ my $ctags = git_get_project_ctags($project);
+ if (%$ctags) {
+ # without ability to add tags, don't show if there are none
+ my $cloud = git_populate_project_tagcloud($ctags);
+ print "<tr id=\"metadata_ctags\">" .
+ "<td>content tags</td>" .
+ "<td>".git_show_project_tagcloud($cloud, 48)."</td>" .
+ "</tr>\n";
+ }
+ }
+
+ print "</table>\n";
+
+ # If XSS prevention is on, we don't include README.html.
+ # TODO: Allow a readme in some safe format.
+ if (!$prevent_xss && -s "$projectroot/$project/README.html") {
+ print "<div class=\"title\">readme</div>\n" .
+ "<div class=\"readme\">\n";
+ insert_file("$projectroot/$project/README.html");
+ print "\n</div>\n"; # class="readme"
+ }
+
+ # we need to request one more than 16 (0..15) to check if
+ # those 16 are all
+ my @commitlist = $head ? parse_commits($head, 17) : ();
+ if (@commitlist) {
+ git_print_header_div('shortlog');
+ git_shortlog_body(\@commitlist, 0, 15, $refs,
+ $#commitlist <= 15 ? undef :
+ $cgi->a({-href => href(action=>"shortlog")}, "..."));
+ }
+
+ if (@taglist) {
+ git_print_header_div('tags');
+ git_tags_body(\@taglist, 0, 15,
+ $#taglist <= 15 ? undef :
+ $cgi->a({-href => href(action=>"tags")}, "..."));
+ }
+
+ if (@headlist) {
+ git_print_header_div('heads');
+ git_heads_body(\@headlist, $head, 0, 15,
+ $#headlist <= 15 ? undef :
+ $cgi->a({-href => href(action=>"heads")}, "..."));
+ }
+
+ if (%remotedata) {
+ git_print_header_div('remotes');
+ git_remotes_body(\%remotedata, 15, $head);
+ }
+
+ if (@forklist) {
+ git_print_header_div('forks');
+ git_project_list_body(\@forklist, 'age', 0, 15,
+ $#forklist <= 15 ? undef :
+ $cgi->a({-href => href(action=>"forks")}, "..."),
+ 'no_header');
+ }
+
+ git_footer_html();
+}
+
+sub git_tag {
+ my %tag = parse_tag($hash);
+
+ if (! %tag) {
+ die_error(404, "Unknown tag object");
+ }
+
+ my $head = git_get_head_hash($project);
+ git_header_html();
+ git_print_page_nav('','', $head,undef,$head);
+ git_print_header_div('commit', esc_html($tag{'name'}), $hash);
+ print "<div class=\"title_text\">\n" .
+ "<table class=\"object_header\">\n" .
+ "<tr>\n" .
+ "<td>object</td>\n" .
+ "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
+ $tag{'object'}) . "</td>\n" .
+ "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
+ $tag{'type'}) . "</td>\n" .
+ "</tr>\n";
+ if (defined($tag{'author'})) {
+ git_print_authorship_rows(\%tag, 'author');
+ }
+ print "</table>\n\n" .
+ "</div>\n";
+ print "<div class=\"page_body\">";
+ my $comment = $tag{'comment'};
+ foreach my $line (@$comment) {
+ chomp $line;
+ print esc_html($line, -nbsp=>1) . "<br/>\n";
+ }
+ print "</div>\n";
+ git_footer_html();
+}
+
+sub git_blame_common {
+ my $format = shift || 'porcelain';
+ if ($format eq 'porcelain' && $input_params{'javascript'}) {
+ $format = 'incremental';
+ $action = 'blame_incremental'; # for page title etc
+ }
+
+ # permissions
+ gitweb_check_feature('blame')
+ or die_error(403, "Blame view not allowed");
+
+ # error checking
+ die_error(400, "No file name given") unless $file_name;
+ $hash_base ||= git_get_head_hash($project);
+ die_error(404, "Couldn't find base commit") unless $hash_base;
+ my %co = parse_commit($hash_base)
+ or die_error(404, "Commit not found");
+ my $ftype = "blob";
+ if (!defined $hash) {
+ $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
+ or die_error(404, "Error looking up file");
+ } else {
+ $ftype = git_get_type($hash);
+ if ($ftype !~ "blob") {
+ die_error(400, "Object is not a blob");
+ }
+ }
+
+ my $fd;
+ if ($format eq 'incremental') {
+ # get file contents (as base)
+ open $fd, "-|", git_cmd(), 'cat-file', 'blob', $hash
+ or die_error(500, "Open git-cat-file failed");
+ } elsif ($format eq 'data') {
+ # run git-blame --incremental
+ open $fd, "-|", git_cmd(), "blame", "--incremental",
+ $hash_base, "--", $file_name
+ or die_error(500, "Open git-blame --incremental failed");
+ } else {
+ # run git-blame --porcelain
+ open $fd, "-|", git_cmd(), "blame", '-p',
+ $hash_base, '--', $file_name
+ or die_error(500, "Open git-blame --porcelain failed");
+ }
+ binmode $fd, ':utf8';
+
+ # incremental blame data returns early
+ if ($format eq 'data') {
+ print $cgi->header(
+ -type=>"text/plain", -charset => "utf-8",
+ -status=> "200 OK");
+ local $| = 1; # output autoflush
+ while (my $line = <$fd>) {
+ print to_utf8($line);
+ }
+ close $fd
+ or print "ERROR $!\n";
+
+ print 'END';
+ if (defined $t0 && gitweb_check_feature('timed')) {
+ print ' '.
+ tv_interval($t0, [ gettimeofday() ]).
+ ' '.$number_of_git_cmds;
+ }
+ print "\n";
+
+ return;
+ }
+
+ # page header
+ git_header_html();
+ my $formats_nav =
+ $cgi->a({-href => href(action=>"blob", -replay=>1)},
+ "blob") .
+ " | ";
+ if ($format eq 'incremental') {
+ $formats_nav .=
+ $cgi->a({-href => href(action=>"blame", javascript=>0, -replay=>1)},
+ "blame") . " (non-incremental)";
+ } else {
+ $formats_nav .=
+ $cgi->a({-href => href(action=>"blame_incremental", -replay=>1)},
+ "blame") . " (incremental)";
+ }
+ $formats_nav .=
+ " | " .
+ $cgi->a({-href => href(action=>"history", -replay=>1)},
+ "history") .
+ " | " .
+ $cgi->a({-href => href(action=>$action, file_name=>$file_name)},
+ "HEAD");
+ git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
+ git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
+ git_print_page_path($file_name, $ftype, $hash_base);
+
+ # page body
+ if ($format eq 'incremental') {
+ print "<noscript>\n<div class=\"error\"><center><b>\n".
+ "This page requires JavaScript to run.\n Use ".
+ $cgi->a({-href => href(action=>'blame',javascript=>0,-replay=>1)},
+ 'this page').
+ " instead.\n".
+ "</b></center></div>\n</noscript>\n";
+
+ print qq!<div id="progress_bar" style="width: 100%; background-color: yellow"></div>\n!;
+ }
+
+ print qq!<div class="page_body">\n!;
+ print qq!<div id="progress_info">... / ...</div>\n!
+ if ($format eq 'incremental');
+ print qq!<table id="blame_table" class="blame" width="100%">\n!.
+ #qq!<col width="5.5em" /><col width="2.5em" /><col width="*" />\n!.
+ qq!<thead>\n!.
+ qq!<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n!.
+ qq!</thead>\n!.
+ qq!<tbody>\n!;
+
+ my @rev_color = qw(light dark);
+ my $num_colors = scalar(@rev_color);
+ my $current_color = 0;
+
+ if ($format eq 'incremental') {
+ my $color_class = $rev_color[$current_color];
+
+ #contents of a file
+ my $linenr = 0;
+ LINE:
+ while (my $line = <$fd>) {
+ chomp $line;
+ $linenr++;
+
+ print qq!<tr id="l$linenr" class="$color_class">!.
+ qq!<td class="sha1"><a href=""> </a></td>!.
+ qq!<td class="linenr">!.
+ qq!<a class="linenr" href="">$linenr</a></td>!;
+ print qq!<td class="pre">! . esc_html($line) . "</td>\n";
+ print qq!</tr>\n!;
+ }
+
+ } else { # porcelain, i.e. ordinary blame
+ my %metainfo = (); # saves information about commits
+
+ # blame data
+ LINE:
+ while (my $line = <$fd>) {
+ chomp $line;
+ # the header: <SHA-1> <src lineno> <dst lineno> [<lines in group>]
+ # no <lines in group> for subsequent lines in group of lines
+ my ($full_rev, $orig_lineno, $lineno, $group_size) =
+ ($line =~ /^($oid_regex) (\d+) (\d+)(?: (\d+))?$/);
+ if (!exists $metainfo{$full_rev}) {
+ $metainfo{$full_rev} = { 'nprevious' => 0 };
+ }
+ my $meta = $metainfo{$full_rev};
+ my $data;
+ while ($data = <$fd>) {
+ chomp $data;
+ last if ($data =~ s/^\t//); # contents of line
+ if ($data =~ /^(\S+)(?: (.*))?$/) {
+ $meta->{$1} = $2 unless exists $meta->{$1};
+ }
+ if ($data =~ /^previous /) {
+ $meta->{'nprevious'}++;
+ }
+ }
+ my $short_rev = substr($full_rev, 0, 8);
+ my $author = $meta->{'author'};
+ my %date =
+ parse_date($meta->{'author-time'}, $meta->{'author-tz'});
+ my $date = $date{'iso-tz'};
+ if ($group_size) {
+ $current_color = ($current_color + 1) % $num_colors;
+ }
+ my $tr_class = $rev_color[$current_color];
+ $tr_class .= ' boundary' if (exists $meta->{'boundary'});
+ $tr_class .= ' no-previous' if ($meta->{'nprevious'} == 0);
+ $tr_class .= ' multiple-previous' if ($meta->{'nprevious'} > 1);
+ print "<tr id=\"l$lineno\" class=\"$tr_class\">\n";
+ if ($group_size) {
+ print "<td class=\"sha1\"";
+ print " title=\"". esc_html($author) . ", $date\"";
+ print " rowspan=\"$group_size\"" if ($group_size > 1);
+ print ">";
+ print $cgi->a({-href => href(action=>"commit",
+ hash=>$full_rev,
+ file_name=>$file_name)},
+ esc_html($short_rev));
+ if ($group_size >= 2) {
+ my @author_initials = ($author =~ /\b([[:upper:]])\B/g);
+ if (@author_initials) {
+ print "<br />" .
+ esc_html(join('', @author_initials));
+ # or join('.', ...)
+ }
+ }
+ print "</td>\n";
+ }
+ # 'previous' <sha1 of parent commit> <filename at commit>
+ if (exists $meta->{'previous'} &&
+ $meta->{'previous'} =~ /^($oid_regex) (.*)$/) {
+ $meta->{'parent'} = $1;
+ $meta->{'file_parent'} = unquote($2);
+ }
+ my $linenr_commit =
+ exists($meta->{'parent'}) ?
+ $meta->{'parent'} : $full_rev;
+ my $linenr_filename =
+ exists($meta->{'file_parent'}) ?
+ $meta->{'file_parent'} : unquote($meta->{'filename'});
+ my $blamed = href(action => 'blame',
+ file_name => $linenr_filename,
+ hash_base => $linenr_commit);
+ print "<td class=\"linenr\">";
+ print $cgi->a({ -href => "$blamed#l$orig_lineno",
+ -class => "linenr" },
+ esc_html($lineno));
+ print "</td>";
+ print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
+ print "</tr>\n";
+ } # end while
+
+ }
+
+ # footer
+ print "</tbody>\n".
+ "</table>\n"; # class="blame"
+ print "</div>\n"; # class="blame_body"
+ close $fd
+ or print "Reading blob failed\n";
+
+ git_footer_html();
+}
+
+sub git_blame {
+ git_blame_common();
+}
+
+sub git_blame_incremental {
+ git_blame_common('incremental');
+}
+
+sub git_blame_data {
+ git_blame_common('data');
+}
+
+sub git_tags {
+ my $head = git_get_head_hash($project);
+ git_header_html();
+ git_print_page_nav('','', $head,undef,$head,format_ref_views('tags'));
+ git_print_header_div('summary', $project);
+
+ my @tagslist = git_get_tags_list();
+ if (@tagslist) {
+ git_tags_body(\@tagslist);
+ }
+ git_footer_html();
+}
+
+sub git_heads {
+ my $head = git_get_head_hash($project);
+ git_header_html();
+ git_print_page_nav('','', $head,undef,$head,format_ref_views('heads'));
+ git_print_header_div('summary', $project);
+
+ my @headslist = git_get_heads_list();
+ if (@headslist) {
+ git_heads_body(\@headslist, $head);
+ }
+ git_footer_html();
+}
+
+# used both for single remote view and for list of all the remotes
+sub git_remotes {
+ gitweb_check_feature('remote_heads')
+ or die_error(403, "Remote heads view is disabled");
+
+ my $head = git_get_head_hash($project);
+ my $remote = $input_params{'hash'};
+
+ my $remotedata = git_get_remotes_list($remote);
+ die_error(500, "Unable to get remote information") unless defined $remotedata;
+
+ unless (%$remotedata) {
+ die_error(404, defined $remote ?
+ "Remote $remote not found" :
+ "No remotes found");
+ }
+
+ git_header_html(undef, undef, -action_extra => $remote);
+ git_print_page_nav('', '', $head, undef, $head,
+ format_ref_views($remote ? '' : 'remotes'));
+
+ fill_remote_heads($remotedata);
+ if (defined $remote) {
+ git_print_header_div('remotes', "$remote remote for $project");
+ git_remote_block($remote, $remotedata->{$remote}, undef, $head);
+ } else {
+ git_print_header_div('summary', "$project remotes");
+ git_remotes_body($remotedata, undef, $head);
+ }
+
+ git_footer_html();
+}
+
+sub git_blob_plain {
+ my $type = shift;
+ my $expires;
+
+ if (!defined $hash) {
+ if (defined $file_name) {
+ my $base = $hash_base || git_get_head_hash($project);
+ $hash = git_get_hash_by_path($base, $file_name, "blob")
+ or die_error(404, "Cannot find file");
+ } else {
+ die_error(400, "No file name defined");
+ }
+ } elsif ($hash =~ m/^$oid_regex$/) {
+ # blobs defined by non-textual hash id's can be cached
+ $expires = "+1d";
+ }
+
+ open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
+ or die_error(500, "Open git-cat-file blob '$hash' failed");
+
+ # content-type (can include charset)
+ $type = blob_contenttype($fd, $file_name, $type);
+
+ # "save as" filename, even when no $file_name is given
+ my $save_as = "$hash";
+ if (defined $file_name) {
+ $save_as = $file_name;
+ } elsif ($type =~ m/^text\//) {
+ $save_as .= '.txt';
+ }
+
+ # With XSS prevention on, blobs of all types except a few known safe
+ # ones are served with "Content-Disposition: attachment" to make sure
+ # they don't run in our security domain. For certain image types,
+ # blob view writes an <img> tag referring to blob_plain view, and we
+ # want to be sure not to break that by serving the image as an
+ # attachment (though Firefox 3 doesn't seem to care).
+ my $sandbox = $prevent_xss &&
+ $type !~ m!^(?:text/[a-z]+|image/(?:gif|png|jpeg))(?:[ ;]|$)!;
+
+ # serve text/* as text/plain
+ if ($prevent_xss &&
+ ($type =~ m!^text/[a-z]+\b(.*)$! ||
+ ($type =~ m!^[a-z]+/[a-z]\+xml\b(.*)$! && -T $fd))) {
+ my $rest = $1;
+ $rest = defined $rest ? $rest : '';
+ $type = "text/plain$rest";
+ }
+
+ print $cgi->header(
+ -type => $type,
+ -expires => $expires,
+ -content_disposition =>
+ ($sandbox ? 'attachment' : 'inline')
+ . '; filename="' . $save_as . '"');
+ local $/ = undef;
+ local *FCGI::Stream::PRINT = $FCGI_Stream_PRINT_raw;
+ binmode STDOUT, ':raw';
+ print <$fd>;
+ binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
+ close $fd;
+}
+
+sub git_blob {
+ my $expires;
+
+ if (!defined $hash) {
+ if (defined $file_name) {
+ my $base = $hash_base || git_get_head_hash($project);
+ $hash = git_get_hash_by_path($base, $file_name, "blob")
+ or die_error(404, "Cannot find file");
+ } else {
+ die_error(400, "No file name defined");
+ }
+ } elsif ($hash =~ m/^$oid_regex$/) {
+ # blobs defined by non-textual hash id's can be cached
+ $expires = "+1d";
+ }
+
+ my $have_blame = gitweb_check_feature('blame');
+ open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
+ or die_error(500, "Couldn't cat $file_name, $hash");
+ my $mimetype = blob_mimetype($fd, $file_name);
+ # use 'blob_plain' (aka 'raw') view for files that cannot be displayed
+ if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)! && -B $fd) {
+ close $fd;
+ return git_blob_plain($mimetype);
+ }
+ # we can have blame only for text/* mimetype
+ $have_blame &&= ($mimetype =~ m!^text/!);
+
+ my $highlight = gitweb_check_feature('highlight');
+ my $syntax = guess_file_syntax($highlight, $file_name);
+ $fd = run_highlighter($fd, $highlight, $syntax);
+
+ git_header_html(undef, $expires);
+ my $formats_nav = '';
+ if (defined $hash_base && (my %co = parse_commit($hash_base))) {
+ if (defined $file_name) {
+ if ($have_blame) {
+ $formats_nav .=
+ $cgi->a({-href => href(action=>"blame", -replay=>1)},
+ "blame") .
+ " | ";
+ }
+ $formats_nav .=
+ $cgi->a({-href => href(action=>"history", -replay=>1)},
+ "history") .
+ " | " .
+ $cgi->a({-href => href(action=>"blob_plain", -replay=>1)},
+ "raw") .
+ " | " .
+ $cgi->a({-href => href(action=>"blob",
+ hash_base=>"HEAD", file_name=>$file_name)},
+ "HEAD");
+ } else {
+ $formats_nav .=
+ $cgi->a({-href => href(action=>"blob_plain", -replay=>1)},
+ "raw");
+ }
+ git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
+ git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
+ } else {
+ print "<div class=\"page_nav\">\n" .
+ "<br/><br/></div>\n" .
+ "<div class=\"title\">".esc_html($hash)."</div>\n";
+ }
+ git_print_page_path($file_name, "blob", $hash_base);
+ print "<div class=\"page_body\">\n";
+ if ($mimetype =~ m!^image/!) {
+ print qq!<img class="blob" type="!.esc_attr($mimetype).qq!"!;
+ if ($file_name) {
+ print qq! alt="!.esc_attr($file_name).qq!" title="!.esc_attr($file_name).qq!"!;
+ }
+ print qq! src="! .
+ esc_attr(href(action=>"blob_plain", hash=>$hash,
+ hash_base=>$hash_base, file_name=>$file_name)) .
+ qq!" />\n!;
+ } else {
+ my $nr;
+ while (my $line = <$fd>) {
+ chomp $line;
+ $nr++;
+ $line = untabify($line);
+ printf qq!<div class="pre"><a id="l%i" href="%s#l%i" class="linenr">%4i</a> %s</div>\n!,
+ $nr, esc_attr(href(-replay => 1)), $nr, $nr,
+ $highlight ? sanitize($line) : esc_html($line, -nbsp=>1);
+ }
+ }
+ close $fd
+ or print "Reading blob failed.\n";
+ print "</div>";
+ git_footer_html();
+}
+
+sub git_tree {
+ if (!defined $hash_base) {
+ $hash_base = "HEAD";
+ }
+ if (!defined $hash) {
+ if (defined $file_name) {
+ $hash = git_get_hash_by_path($hash_base, $file_name, "tree");
+ } else {
+ $hash = $hash_base;
+ }
+ }
+ die_error(404, "No such tree") unless defined($hash);
+
+ my $show_sizes = gitweb_check_feature('show-sizes');
+ my $have_blame = gitweb_check_feature('blame');
+
+ my @entries = ();
+ {
+ local $/ = "\0";
+ open my $fd, "-|", git_cmd(), "ls-tree", '-z',
+ ($show_sizes ? '-l' : ()), @extra_options, $hash
+ or die_error(500, "Open git-ls-tree failed");
+ @entries = map { chomp; $_ } <$fd>;
+ close $fd
+ or die_error(404, "Reading tree failed");
+ }
+
+ my $refs = git_get_references();
+ my $ref = format_ref_marker($refs, $hash_base);
+ git_header_html();
+ my $basedir = '';
+ if (defined $hash_base && (my %co = parse_commit($hash_base))) {
+ my @views_nav = ();
+ if (defined $file_name) {
+ push @views_nav,
+ $cgi->a({-href => href(action=>"history", -replay=>1)},
+ "history"),
+ $cgi->a({-href => href(action=>"tree",
+ hash_base=>"HEAD", file_name=>$file_name)},
+ "HEAD"),
+ }
+ my $snapshot_links = format_snapshot_links($hash);
+ if (defined $snapshot_links) {
+ # FIXME: Should be available when we have no hash base as well.
+ push @views_nav, $snapshot_links;
+ }
+ git_print_page_nav('tree','', $hash_base, undef, undef,
+ join(' | ', @views_nav));
+ git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
+ } else {
+ undef $hash_base;
+ print "<div class=\"page_nav\">\n";
+ print "<br/><br/></div>\n";
+ print "<div class=\"title\">".esc_html($hash)."</div>\n";
+ }
+ if (defined $file_name) {
+ $basedir = $file_name;
+ if ($basedir ne '' && substr($basedir, -1) ne '/') {
+ $basedir .= '/';
+ }
+ git_print_page_path($file_name, 'tree', $hash_base);
+ }
+ print "<div class=\"page_body\">\n";
+ print "<table class=\"tree\">\n";
+ my $alternate = 1;
+ # '..' (top directory) link if possible
+ if (defined $hash_base &&
+ defined $file_name && $file_name =~ m![^/]+$!) {
+ if ($alternate) {
+ print "<tr class=\"dark\">\n";
+ } else {
+ print "<tr class=\"light\">\n";
+ }
+ $alternate ^= 1;
+
+ my $up = $file_name;
+ $up =~ s!/?[^/]+$!!;
+ undef $up unless $up;
+ # based on git_print_tree_entry
+ print '<td class="mode">' . mode_str('040000') . "</td>\n";
+ print '<td class="size">&nbsp;</td>'."\n" if $show_sizes;
+ print '<td class="list">';
+ print $cgi->a({-href => href(action=>"tree",
+ hash_base=>$hash_base,
+ file_name=>$up)},
+ "..");
+ print "</td>\n";
+ print "<td class=\"link\"></td>\n";
+
+ print "</tr>\n";
+ }
+ foreach my $line (@entries) {
+ my %t = parse_ls_tree_line($line, -z => 1, -l => $show_sizes);
+
+ if ($alternate) {
+ print "<tr class=\"dark\">\n";
+ } else {
+ print "<tr class=\"light\">\n";
+ }
+ $alternate ^= 1;
+
+ git_print_tree_entry(\%t, $basedir, $hash_base, $have_blame);
+
+ print "</tr>\n";
+ }
+ print "</table>\n" .
+ "</div>";
+ git_footer_html();
+}
+
+sub sanitize_for_filename {
+ my $name = shift;
+
+ $name =~ s!/!-!g;
+ $name =~ s/[^[:alnum:]_.-]//g;
+
+ return $name;
+}
+
+sub snapshot_name {
+ my ($project, $hash) = @_;
+
+ # path/to/project.git -> project
+ # path/to/project/.git -> project
+ my $name = to_utf8($project);
+ $name =~ s,([^/])/*\.git$,$1,;
+ $name = sanitize_for_filename(basename($name));
+
+ my $ver = $hash;
+ if ($hash =~ /^[0-9a-fA-F]+$/) {
+ # shorten SHA-1 hash
+ my $full_hash = git_get_full_hash($project, $hash);
+ if ($full_hash =~ /^$hash/ && length($hash) > 7) {
+ $ver = git_get_short_hash($project, $hash);
+ }
+ } elsif ($hash =~ m!^refs/tags/(.*)$!) {
+ # tags don't need shortened SHA-1 hash
+ $ver = $1;
+ } else {
+ # branches and other need shortened SHA-1 hash
+ my $strip_refs = join '|', map { quotemeta } get_branch_refs();
+ if ($hash =~ m!^refs/($strip_refs|remotes)/(.*)$!) {
+ my $ref_dir = (defined $1) ? $1 : '';
+ $ver = $2;
+
+ $ref_dir = sanitize_for_filename($ref_dir);
+ # for refs neither in heads nor remotes we want to
+ # add a ref dir to archive name
+ if ($ref_dir ne '' and $ref_dir ne 'heads' and $ref_dir ne 'remotes') {
+ $ver = $ref_dir . '-' . $ver;
+ }
+ }
+ $ver .= '-' . git_get_short_hash($project, $hash);
+ }
+ # special case of sanitization for filename - we change
+ # slashes to dots instead of dashes
+ # in case of hierarchical branch names
+ $ver =~ s!/!.!g;
+ $ver =~ s/[^[:alnum:]_.-]//g;
+
+ # name = project-version_string
+ $name = "$name-$ver";
+
+ return wantarray ? ($name, $name) : $name;
+}
+
+sub exit_if_unmodified_since {
+ my ($latest_epoch) = @_;
+ our $cgi;
+
+ my $if_modified = $cgi->http('IF_MODIFIED_SINCE');
+ if (defined $if_modified) {
+ my $since;
+ if (eval { require HTTP::Date; 1; }) {
+ $since = HTTP::Date::str2time($if_modified);
+ } elsif (eval { require Time::ParseDate; 1; }) {
+ $since = Time::ParseDate::parsedate($if_modified, GMT => 1);
+ }
+ if (defined $since && $latest_epoch <= $since) {
+ my %latest_date = parse_date($latest_epoch);
+ print $cgi->header(
+ -last_modified => $latest_date{'rfc2822'},
+ -status => '304 Not Modified');
+ goto DONE_GITWEB;
+ }
+ }
+}
+
+sub git_snapshot {
+ my $format = $input_params{'snapshot_format'};
+ if (!@snapshot_fmts) {
+ die_error(403, "Snapshots not allowed");
+ }
+ # default to first supported snapshot format
+ $format ||= $snapshot_fmts[0];
+ if ($format !~ m/^[a-z0-9]+$/) {
+ die_error(400, "Invalid snapshot format parameter");
+ } elsif (!exists($known_snapshot_formats{$format})) {
+ die_error(400, "Unknown snapshot format");
+ } elsif ($known_snapshot_formats{$format}{'disabled'}) {
+ die_error(403, "Snapshot format not allowed");
+ } elsif (!grep($_ eq $format, @snapshot_fmts)) {
+ die_error(403, "Unsupported snapshot format");
+ }
+
+ my $type = git_get_type("$hash^{}");
+ if (!$type) {
+ die_error(404, 'Object does not exist');
+ } elsif ($type eq 'blob') {
+ die_error(400, 'Object is not a tree-ish');
+ }
+
+ my ($name, $prefix) = snapshot_name($project, $hash);
+ my $filename = "$name$known_snapshot_formats{$format}{'suffix'}";
+
+ my %co = parse_commit($hash);
+ exit_if_unmodified_since($co{'committer_epoch'}) if %co;
+
+ my $cmd = quote_command(
+ git_cmd(), 'archive',
+ "--format=$known_snapshot_formats{$format}{'format'}",
+ "--prefix=$prefix/", $hash);
+ if (exists $known_snapshot_formats{$format}{'compressor'}) {
+ $cmd .= ' | ' . quote_command(@{$known_snapshot_formats{$format}{'compressor'}});
+ }
+
+ $filename =~ s/(["\\])/\\$1/g;
+ my %latest_date;
+ if (%co) {
+ %latest_date = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
+ }
+
+ print $cgi->header(
+ -type => $known_snapshot_formats{$format}{'type'},
+ -content_disposition => 'inline; filename="' . $filename . '"',
+ %co ? (-last_modified => $latest_date{'rfc2822'}) : (),
+ -status => '200 OK');
+
+ open my $fd, "-|", $cmd
+ or die_error(500, "Execute git-archive failed");
+ local *FCGI::Stream::PRINT = $FCGI_Stream_PRINT_raw;
+ binmode STDOUT, ':raw';
+ print <$fd>;
+ binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
+ close $fd;
+}
+
+sub git_log_generic {
+ my ($fmt_name, $body_subr, $base, $parent, $file_name, $file_hash) = @_;
+
+ my $head = git_get_head_hash($project);
+ if (!defined $base) {
+ $base = $head;
+ }
+ if (!defined $page) {
+ $page = 0;
+ }
+ my $refs = git_get_references();
+
+ my $commit_hash = $base;
+ if (defined $parent) {
+ $commit_hash = "$parent..$base";
+ }
+ my @commitlist =
+ parse_commits($commit_hash, 101, (100 * $page),
+ defined $file_name ? ($file_name, "--full-history") : ());
+
+ my $ftype;
+ if (!defined $file_hash && defined $file_name) {
+ # some commits could have deleted file in question,
+ # and not have it in tree, but one of them has to have it
+ for (my $i = 0; $i < @commitlist; $i++) {
+ $file_hash = git_get_hash_by_path($commitlist[$i]{'id'}, $file_name);
+ last if defined $file_hash;
+ }
+ }
+ if (defined $file_hash) {
+ $ftype = git_get_type($file_hash);
+ }
+ if (defined $file_name && !defined $ftype) {
+ die_error(500, "Unknown type of object");
+ }
+ my %co;
+ if (defined $file_name) {
+ %co = parse_commit($base)
+ or die_error(404, "Unknown commit object");
+ }
+
+
+ my $paging_nav = format_paging_nav($fmt_name, $page, $#commitlist >= 100);
+ my $next_link = '';
+ if ($#commitlist >= 100) {
+ $next_link =
+ $cgi->a({-href => href(-replay=>1, page=>$page+1),
+ -accesskey => "n", -title => "Alt-n"}, "next");
+ }
+ my $patch_max = gitweb_get_feature('patches');
+ if ($patch_max && !defined $file_name &&
+ !gitweb_check_feature('email-privacy')) {
+ if ($patch_max < 0 || @commitlist <= $patch_max) {
+ $paging_nav .= " &sdot; " .
+ $cgi->a({-href => href(action=>"patches", -replay=>1)},
+ "patches");
+ }
+ }
+
+ git_header_html();
+ git_print_page_nav($fmt_name,'', $hash,$hash,$hash, $paging_nav);
+ if (defined $file_name) {
+ git_print_header_div('commit', esc_html($co{'title'}), $base);
+ } else {
+ git_print_header_div('summary', $project)
+ }
+ git_print_page_path($file_name, $ftype, $hash_base)
+ if (defined $file_name);
+
+ $body_subr->(\@commitlist, 0, 99, $refs, $next_link,
+ $file_name, $file_hash, $ftype);
+
+ git_footer_html();
+}
+
+sub git_log {
+ git_log_generic('log', \&git_log_body,
+ $hash, $hash_parent);
+}
+
+sub git_commit {
+ $hash ||= $hash_base || "HEAD";
+ my %co = parse_commit($hash)
+ or die_error(404, "Unknown commit object");
+
+ my $parent = $co{'parent'};
+ my $parents = $co{'parents'}; # listref
+
+ # we need to prepare $formats_nav before any parameter munging
+ my $formats_nav;
+ if (!defined $parent) {
+ # --root commitdiff
+ $formats_nav .= '(initial)';
+ } elsif (@$parents == 1) {
+ # single parent commit
+ $formats_nav .=
+ '(parent: ' .
+ $cgi->a({-href => href(action=>"commit",
+ hash=>$parent)},
+ esc_html(substr($parent, 0, 7))) .
+ ')';
+ } else {
+ # merge commit
+ $formats_nav .=
+ '(merge: ' .
+ join(' ', map {
+ $cgi->a({-href => href(action=>"commit",
+ hash=>$_)},
+ esc_html(substr($_, 0, 7)));
+ } @$parents ) .
+ ')';
+ }
+ if (gitweb_check_feature('patches') && @$parents <= 1 &&
+ !gitweb_check_feature('email-privacy')) {
+ $formats_nav .= " | " .
+ $cgi->a({-href => href(action=>"patch", -replay=>1)},
+ "patch");
+ }
+
+ if (!defined $parent) {
+ $parent = "--root";
+ }
+ my @difftree;
+ open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id",
+ @diff_opts,
+ (@$parents <= 1 ? $parent : '-c'),
+ $hash, "--"
+ or die_error(500, "Open git-diff-tree failed");
+ @difftree = map { chomp; $_ } <$fd>;
+ close $fd or die_error(404, "Reading git-diff-tree failed");
+
+ # non-textual hash id's can be cached
+ my $expires;
+ if ($hash =~ m/^$oid_regex$/) {
+ $expires = "+1d";
+ }
+ my $refs = git_get_references();
+ my $ref = format_ref_marker($refs, $co{'id'});
+
+ git_header_html(undef, $expires);
+ git_print_page_nav('commit', '',
+ $hash, $co{'tree'}, $hash,
+ $formats_nav);
+
+ if (defined $co{'parent'}) {
+ git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
+ } else {
+ git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
+ }
+ print "<div class=\"title_text\">\n" .
+ "<table class=\"object_header\">\n";
+ git_print_authorship_rows(\%co);
+ print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
+ print "<tr>" .
+ "<td>tree</td>" .
+ "<td class=\"sha1\">" .
+ $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
+ class => "list"}, $co{'tree'}) .
+ "</td>" .
+ "<td class=\"link\">" .
+ $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
+ "tree");
+ my $snapshot_links = format_snapshot_links($hash);
+ if (defined $snapshot_links) {
+ print " | " . $snapshot_links;
+ }
+ print "</td>" .
+ "</tr>\n";
+
+ foreach my $par (@$parents) {
+ print "<tr>" .
+ "<td>parent</td>" .
+ "<td class=\"sha1\">" .
+ $cgi->a({-href => href(action=>"commit", hash=>$par),
+ class => "list"}, $par) .
+ "</td>" .
+ "<td class=\"link\">" .
+ $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
+ " | " .
+ $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") .
+ "</td>" .
+ "</tr>\n";
+ }
+ print "</table>".
+ "</div>\n";
+
+ print "<div class=\"page_body\">\n";
+ git_print_log($co{'comment'});
+ print "</div>\n";
+
+ git_difftree_body(\@difftree, $hash, @$parents);
+
+ git_footer_html();
+}
+
+sub git_object {
+ # object is defined by:
+ # - hash or hash_base alone
+ # - hash_base and file_name
+ my $type;
+
+ # - hash or hash_base alone
+ if ($hash || ($hash_base && !defined $file_name)) {
+ my $object_id = $hash || $hash_base;
+
+ open my $fd, "-|", quote_command(
+ git_cmd(), 'cat-file', '-t', $object_id) . ' 2> /dev/null'
+ or die_error(404, "Object does not exist");
+ $type = <$fd>;
+ defined $type && chomp $type;
+ close $fd
+ or die_error(404, "Object does not exist");
+
+ # - hash_base and file_name
+ } elsif ($hash_base && defined $file_name) {
+ $file_name =~ s,/+$,,;
+
+ system(git_cmd(), "cat-file", '-e', $hash_base) == 0
+ or die_error(404, "Base object does not exist");
+
+ # here errors should not happen
+ open my $fd, "-|", git_cmd(), "ls-tree", $hash_base, "--", $file_name
+ or die_error(500, "Open git-ls-tree failed");
+ my $line = <$fd>;
+ close $fd;
+
+ #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
+ unless ($line && $line =~ m/^([0-9]+) (.+) ($oid_regex)\t/) {
+ die_error(404, "File or directory for given base does not exist");
+ }
+ $type = $2;
+ $hash = $3;
+ } else {
+ die_error(400, "Not enough information to find object");
+ }
+
+ print $cgi->redirect(-uri => href(action=>$type, -full=>1,
+ hash=>$hash, hash_base=>$hash_base,
+ file_name=>$file_name),
+ -status => '302 Found');
+}
+
+sub git_blobdiff {
+ my $format = shift || 'html';
+ my $diff_style = $input_params{'diff_style'} || 'inline';
+
+ my $fd;
+ my @difftree;
+ my %diffinfo;
+ my $expires;
+
+ # preparing $fd and %diffinfo for git_patchset_body
+ # new style URI
+ if (defined $hash_base && defined $hash_parent_base) {
+ if (defined $file_name) {
+ # read raw output
+ open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
+ $hash_parent_base, $hash_base,
+ "--", (defined $file_parent ? $file_parent : ()), $file_name
+ or die_error(500, "Open git-diff-tree failed");
+ @difftree = map { chomp; $_ } <$fd>;
+ close $fd
+ or die_error(404, "Reading git-diff-tree failed");
+ @difftree
+ or die_error(404, "Blob diff not found");
+
+ } elsif (defined $hash &&
+ $hash =~ $oid_regex) {
+ # try to find filename from $hash
+
+ # read filtered raw output
+ open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
+ $hash_parent_base, $hash_base, "--"
+ or die_error(500, "Open git-diff-tree failed");
+ @difftree =
+ # ':100644 100644 03b21826... 3b93d5e7... M ls-files.c'
+ # $hash == to_id
+ grep { /^:[0-7]{6} [0-7]{6} $oid_regex $hash/ }
+ map { chomp; $_ } <$fd>;
+ close $fd
+ or die_error(404, "Reading git-diff-tree failed");
+ @difftree
+ or die_error(404, "Blob diff not found");
+
+ } else {
+ die_error(400, "Missing one of the blob diff parameters");
+ }
+
+ if (@difftree > 1) {
+ die_error(400, "Ambiguous blob diff specification");
+ }
+
+ %diffinfo = parse_difftree_raw_line($difftree[0]);
+ $file_parent ||= $diffinfo{'from_file'} || $file_name;
+ $file_name ||= $diffinfo{'to_file'};
+
+ $hash_parent ||= $diffinfo{'from_id'};
+ $hash ||= $diffinfo{'to_id'};
+
+ # non-textual hash id's can be cached
+ if ($hash_base =~ m/^$oid_regex$/ &&
+ $hash_parent_base =~ m/^$oid_regex$/) {
+ $expires = '+1d';
+ }
+
+ # open patch output
+ open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
+ '-p', ($format eq 'html' ? "--full-index" : ()),
+ $hash_parent_base, $hash_base,
+ "--", (defined $file_parent ? $file_parent : ()), $file_name
+ or die_error(500, "Open git-diff-tree failed");
+ }
+
+ # old/legacy style URI -- not generated anymore since 1.4.3.
+ if (!%diffinfo) {
+ die_error('404 Not Found', "Missing one of the blob diff parameters")
+ }
+
+ # header
+ if ($format eq 'html') {
+ my $formats_nav =
+ $cgi->a({-href => href(action=>"blobdiff_plain", -replay=>1)},
+ "raw");
+ $formats_nav .= diff_style_nav($diff_style);
+ git_header_html(undef, $expires);
+ if (defined $hash_base && (my %co = parse_commit($hash_base))) {
+ git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
+ git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
+ } else {
+ print "<div class=\"page_nav\"><br/>$formats_nav<br/></div>\n";
+ print "<div class=\"title\">".esc_html("$hash vs $hash_parent")."</div>\n";
+ }
+ if (defined $file_name) {
+ git_print_page_path($file_name, "blob", $hash_base);
+ } else {
+ print "<div class=\"page_path\"></div>\n";
+ }
+
+ } elsif ($format eq 'plain') {
+ print $cgi->header(
+ -type => 'text/plain',
+ -charset => 'utf-8',
+ -expires => $expires,
+ -content_disposition => 'inline; filename="' . "$file_name" . '.patch"');
+
+ print "X-Git-Url: " . $cgi->self_url() . "\n\n";
+
+ } else {
+ die_error(400, "Unknown blobdiff format");
+ }
+
+ # patch
+ if ($format eq 'html') {
+ print "<div class=\"page_body\">\n";
+
+ git_patchset_body($fd, $diff_style,
+ [ \%diffinfo ], $hash_base, $hash_parent_base);
+ close $fd;
+
+ print "</div>\n"; # class="page_body"
+ git_footer_html();
+
+ } else {
+ while (my $line = <$fd>) {
+ $line =~ s!a/($hash|$hash_parent)!'a/'.esc_path($diffinfo{'from_file'})!eg;
+ $line =~ s!b/($hash|$hash_parent)!'b/'.esc_path($diffinfo{'to_file'})!eg;
+
+ print $line;
+
+ last if $line =~ m!^\+\+\+!;
+ }
+ local $/ = undef;
+ print <$fd>;
+ close $fd;
+ }
+}
+
+sub git_blobdiff_plain {
+ git_blobdiff('plain');
+}
+
+# assumes that it is added as later part of already existing navigation,
+# so it returns "| foo | bar" rather than just "foo | bar"
+sub diff_style_nav {
+ my ($diff_style, $is_combined) = @_;
+ $diff_style ||= 'inline';
+
+ return "" if ($is_combined);
+
+ my @styles = (inline => 'inline', 'sidebyside' => 'side by side');
+ my %styles = @styles;
+ @styles =
+ @styles[ map { $_ * 2 } 0..$#styles/2 ];
+
+ return join '',
+ map { " | ".$_ }
+ map {
+ $_ eq $diff_style ? $styles{$_} :
+ $cgi->a({-href => href(-replay=>1, diff_style => $_)}, $styles{$_})
+ } @styles;
+}
+
+sub git_commitdiff {
+ my %params = @_;
+ my $format = $params{-format} || 'html';
+ my $diff_style = $input_params{'diff_style'} || 'inline';
+
+ my ($patch_max) = gitweb_get_feature('patches');
+ if ($format eq 'patch') {
+ die_error(403, "Patch view not allowed") unless $patch_max;
+ }
+
+ $hash ||= $hash_base || "HEAD";
+ my %co = parse_commit($hash)
+ or die_error(404, "Unknown commit object");
+
+ # choose format for commitdiff for merge
+ if (! defined $hash_parent && @{$co{'parents'}} > 1) {
+ $hash_parent = '--cc';
+ }
+ # we need to prepare $formats_nav before almost any parameter munging
+ my $formats_nav;
+ if ($format eq 'html') {
+ $formats_nav =
+ $cgi->a({-href => href(action=>"commitdiff_plain", -replay=>1)},
+ "raw");
+ if ($patch_max && @{$co{'parents'}} <= 1 &&
+ !gitweb_check_feature('email-privacy')) {
+ $formats_nav .= " | " .
+ $cgi->a({-href => href(action=>"patch", -replay=>1)},
+ "patch");
+ }
+ $formats_nav .= diff_style_nav($diff_style, @{$co{'parents'}} > 1);
+
+ if (defined $hash_parent &&
+ $hash_parent ne '-c' && $hash_parent ne '--cc') {
+ # commitdiff with two commits given
+ my $hash_parent_short = $hash_parent;
+ if ($hash_parent =~ m/^$oid_regex$/) {
+ $hash_parent_short = substr($hash_parent, 0, 7);
+ }
+ $formats_nav .=
+ ' (from';
+ for (my $i = 0; $i < @{$co{'parents'}}; $i++) {
+ if ($co{'parents'}[$i] eq $hash_parent) {
+ $formats_nav .= ' parent ' . ($i+1);
+ last;
+ }
+ }
+ $formats_nav .= ': ' .
+ $cgi->a({-href => href(-replay=>1,
+ hash=>$hash_parent, hash_base=>undef)},
+ esc_html($hash_parent_short)) .
+ ')';
+ } elsif (!$co{'parent'}) {
+ # --root commitdiff
+ $formats_nav .= ' (initial)';
+ } elsif (scalar @{$co{'parents'}} == 1) {
+ # single parent commit
+ $formats_nav .=
+ ' (parent: ' .
+ $cgi->a({-href => href(-replay=>1,
+ hash=>$co{'parent'}, hash_base=>undef)},
+ esc_html(substr($co{'parent'}, 0, 7))) .
+ ')';
+ } else {
+ # merge commit
+ if ($hash_parent eq '--cc') {
+ $formats_nav .= ' | ' .
+ $cgi->a({-href => href(-replay=>1,
+ hash=>$hash, hash_parent=>'-c')},
+ 'combined');
+ } else { # $hash_parent eq '-c'
+ $formats_nav .= ' | ' .
+ $cgi->a({-href => href(-replay=>1,
+ hash=>$hash, hash_parent=>'--cc')},
+ 'compact');
+ }
+ $formats_nav .=
+ ' (merge: ' .
+ join(' ', map {
+ $cgi->a({-href => href(-replay=>1,
+ hash=>$_, hash_base=>undef)},
+ esc_html(substr($_, 0, 7)));
+ } @{$co{'parents'}} ) .
+ ')';
+ }
+ }
+
+ my $hash_parent_param = $hash_parent;
+ if (!defined $hash_parent_param) {
+ # --cc for multiple parents, --root for parentless
+ $hash_parent_param =
+ @{$co{'parents'}} > 1 ? '--cc' : $co{'parent'} || '--root';
+ }
+
+ # read commitdiff
+ my $fd;
+ my @difftree;
+ if ($format eq 'html') {
+ open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
+ "--no-commit-id", "--patch-with-raw", "--full-index",
+ $hash_parent_param, $hash, "--"
+ or die_error(500, "Open git-diff-tree failed");
+
+ while (my $line = <$fd>) {
+ chomp $line;
+ # empty line ends raw part of diff-tree output
+ last unless $line;
+ push @difftree, scalar parse_difftree_raw_line($line);
+ }
+
+ } elsif ($format eq 'plain') {
+ open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
+ '-p', $hash_parent_param, $hash, "--"
+ or die_error(500, "Open git-diff-tree failed");
+ } elsif ($format eq 'patch') {
+ # For commit ranges, we limit the output to the number of
+ # patches specified in the 'patches' feature.
+ # For single commits, we limit the output to a single patch,
+ # diverging from the git-format-patch default.
+ my @commit_spec = ();
+ if ($hash_parent) {
+ if ($patch_max > 0) {
+ push @commit_spec, "-$patch_max";
+ }
+ push @commit_spec, '-n', "$hash_parent..$hash";
+ } else {
+ if ($params{-single}) {
+ push @commit_spec, '-1';
+ } else {
+ if ($patch_max > 0) {
+ push @commit_spec, "-$patch_max";
+ }
+ push @commit_spec, "-n";
+ }
+ push @commit_spec, '--root', $hash;
+ }
+ open $fd, "-|", git_cmd(), "format-patch", @diff_opts,
+ '--encoding=utf8', '--stdout', @commit_spec
+ or die_error(500, "Open git-format-patch failed");
+ } else {
+ die_error(400, "Unknown commitdiff format");
+ }
+
+ # non-textual hash id's can be cached
+ my $expires;
+ if ($hash =~ m/^$oid_regex$/) {
+ $expires = "+1d";
+ }
+
+ # write commit message
+ if ($format eq 'html') {
+ my $refs = git_get_references();
+ my $ref = format_ref_marker($refs, $co{'id'});
+
+ git_header_html(undef, $expires);
+ git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
+ git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
+ print "<div class=\"title_text\">\n" .
+ "<table class=\"object_header\">\n";
+ git_print_authorship_rows(\%co);
+ print "</table>".
+ "</div>\n";
+ print "<div class=\"page_body\">\n";
+ if (@{$co{'comment'}} > 1) {
+ print "<div class=\"log\">\n";
+ git_print_log($co{'comment'}, -final_empty_line=> 1, -remove_title => 1);
+ print "</div>\n"; # class="log"
+ }
+
+ } elsif ($format eq 'plain') {
+ my $refs = git_get_references("tags");
+ my $tagname = git_get_rev_name_tags($hash);
+ my $filename = basename($project) . "-$hash.patch";
+
+ print $cgi->header(
+ -type => 'text/plain',
+ -charset => 'utf-8',
+ -expires => $expires,
+ -content_disposition => 'inline; filename="' . "$filename" . '"');
+ my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
+ print "From: " . to_utf8($co{'author'}) . "\n";
+ print "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n";
+ print "Subject: " . to_utf8($co{'title'}) . "\n";
+
+ print "X-Git-Tag: $tagname\n" if $tagname;
+ print "X-Git-Url: " . $cgi->self_url() . "\n\n";
+
+ foreach my $line (@{$co{'comment'}}) {
+ print to_utf8($line) . "\n";
+ }
+ print "---\n\n";
+ } elsif ($format eq 'patch') {
+ my $filename = basename($project) . "-$hash.patch";
+
+ print $cgi->header(
+ -type => 'text/plain',
+ -charset => 'utf-8',
+ -expires => $expires,
+ -content_disposition => 'inline; filename="' . "$filename" . '"');
+ }
+
+ # write patch
+ if ($format eq 'html') {
+ my $use_parents = !defined $hash_parent ||
+ $hash_parent eq '-c' || $hash_parent eq '--cc';
+ git_difftree_body(\@difftree, $hash,
+ $use_parents ? @{$co{'parents'}} : $hash_parent);
+ print "<br/>\n";
+
+ git_patchset_body($fd, $diff_style,
+ \@difftree, $hash,
+ $use_parents ? @{$co{'parents'}} : $hash_parent);
+ close $fd;
+ print "</div>\n"; # class="page_body"
+ git_footer_html();
+
+ } elsif ($format eq 'plain') {
+ local $/ = undef;
+ print <$fd>;
+ close $fd
+ or print "Reading git-diff-tree failed\n";
+ } elsif ($format eq 'patch') {
+ local $/ = undef;
+ print <$fd>;
+ close $fd
+ or print "Reading git-format-patch failed\n";
+ }
+}
+
+sub git_commitdiff_plain {
+ git_commitdiff(-format => 'plain');
+}
+
+# format-patch-style patches
+sub git_patch {
+ git_commitdiff(-format => 'patch', -single => 1);
+}
+
+sub git_patches {
+ git_commitdiff(-format => 'patch');
+}
+
+sub git_history {
+ git_log_generic('history', \&git_history_body,
+ $hash_base, $hash_parent_base,
+ $file_name, $hash);
+}
+
+sub git_search {
+ $searchtype ||= 'commit';
+
+ # check if appropriate features are enabled
+ gitweb_check_feature('search')
+ or die_error(403, "Search is disabled");
+ if ($searchtype eq 'pickaxe') {
+ # pickaxe may take all resources of your box and run for several minutes
+ # with every query - so decide by yourself how public you make this feature
+ gitweb_check_feature('pickaxe')
+ or die_error(403, "Pickaxe search is disabled");
+ }
+ if ($searchtype eq 'grep') {
+ # grep search might be potentially CPU-intensive, too
+ gitweb_check_feature('grep')
+ or die_error(403, "Grep search is disabled");
+ }
+
+ if (!defined $searchtext) {
+ die_error(400, "Text field is empty");
+ }
+ if (!defined $hash) {
+ $hash = git_get_head_hash($project);
+ }
+ my %co = parse_commit($hash);
+ if (!%co) {
+ die_error(404, "Unknown commit object");
+ }
+ if (!defined $page) {
+ $page = 0;
+ }
+
+ if ($searchtype eq 'commit' ||
+ $searchtype eq 'author' ||
+ $searchtype eq 'committer') {
+ git_search_message(%co);
+ } elsif ($searchtype eq 'pickaxe') {
+ git_search_changes(%co);
+ } elsif ($searchtype eq 'grep') {
+ git_search_files(%co);
+ } else {
+ die_error(400, "Unknown search type");
+ }
+}
+
+sub git_search_help {
+ git_header_html();
+ git_print_page_nav('','', $hash,$hash,$hash);
+ print <<EOT;
+<p><strong>Pattern</strong> is by default a normal string that is matched precisely (but without
+regard to case, except in the case of pickaxe). However, when you check the <em>re</em> checkbox,
+the pattern entered is recognized as the POSIX extended
+<a href="https://en.wikipedia.org/wiki/Regular_expression">regular expression</a> (also case
+insensitive).</p>
+<dl>
+<dt><b>commit</b></dt>
+<dd>The commit messages and authorship information will be scanned for the given pattern.</dd>
+EOT
+ my $have_grep = gitweb_check_feature('grep');
+ if ($have_grep) {
+ print <<EOT;
+<dt><b>grep</b></dt>
+<dd>All files in the currently selected tree (HEAD unless you are explicitly browsing
+ a different one) are searched for the given pattern. On large trees, this search can take
+a while and put some strain on the server, so please use it with some consideration. Note that
+due to git-grep peculiarity, currently if regexp mode is turned off, the matches are
+case-sensitive.</dd>
+EOT
+ }
+ print <<EOT;
+<dt><b>author</b></dt>
+<dd>Name and e-mail of the change author and date of birth of the patch will be scanned for the given pattern.</dd>
+<dt><b>committer</b></dt>
+<dd>Name and e-mail of the committer and date of commit will be scanned for the given pattern.</dd>
+EOT
+ my $have_pickaxe = gitweb_check_feature('pickaxe');
+ if ($have_pickaxe) {
+ print <<EOT;
+<dt><b>pickaxe</b></dt>
+<dd>All commits that caused the string to appear or disappear from any file (changes that
+added, removed or "modified" the string) will be listed. This search can take a while and
+takes a lot of strain on the server, so please use it wisely. Note that since you may be
+interested even in changes just changing the case as well, this search is case sensitive.</dd>
+EOT
+ }
+ print "</dl>\n";
+ git_footer_html();
+}
+
+sub git_shortlog {
+ git_log_generic('shortlog', \&git_shortlog_body,
+ $hash, $hash_parent);
+}
+
+## ......................................................................
+## feeds (RSS, Atom; OPML)
+
+sub git_feed {
+ my $format = shift || 'atom';
+ my $have_blame = gitweb_check_feature('blame');
+
+ # Atom: http://www.atomenabled.org/developers/syndication/
+ # RSS: http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
+ if ($format ne 'rss' && $format ne 'atom') {
+ die_error(400, "Unknown web feed format");
+ }
+
+ # log/feed of current (HEAD) branch, log of given branch, history of file/directory
+ my $head = $hash || 'HEAD';
+ my @commitlist = parse_commits($head, 150, 0, $file_name);
+
+ my %latest_commit;
+ my %latest_date;
+ my $content_type = "application/$format+xml";
+ if (defined $cgi->http('HTTP_ACCEPT') &&
+ $cgi->Accept('text/xml') > $cgi->Accept($content_type)) {
+ # browser (feed reader) prefers text/xml
+ $content_type = 'text/xml';
+ }
+ if (defined($commitlist[0])) {
+ %latest_commit = %{$commitlist[0]};
+ my $latest_epoch = $latest_commit{'committer_epoch'};
+ exit_if_unmodified_since($latest_epoch);
+ %latest_date = parse_date($latest_epoch, $latest_commit{'committer_tz'});
+ }
+ print $cgi->header(
+ -type => $content_type,
+ -charset => 'utf-8',
+ %latest_date ? (-last_modified => $latest_date{'rfc2822'}) : (),
+ -status => '200 OK');
+
+ # Optimization: skip generating the body if client asks only
+ # for Last-Modified date.
+ return if ($cgi->request_method() eq 'HEAD');
+
+ # header variables
+ my $title = "$site_name - $project/$action";
+ my $feed_type = 'log';
+ if (defined $hash) {
+ $title .= " - '$hash'";
+ $feed_type = 'branch log';
+ if (defined $file_name) {
+ $title .= " :: $file_name";
+ $feed_type = 'history';
+ }
+ } elsif (defined $file_name) {
+ $title .= " - $file_name";
+ $feed_type = 'history';
+ }
+ $title .= " $feed_type";
+ $title = esc_html($title);
+ my $descr = git_get_project_description($project);
+ if (defined $descr) {
+ $descr = esc_html($descr);
+ } else {
+ $descr = "$project " .
+ ($format eq 'rss' ? 'RSS' : 'Atom') .
+ " feed";
+ }
+ my $owner = git_get_project_owner($project);
+ $owner = esc_html($owner);
+
+ #header
+ my $alt_url;
+ if (defined $file_name) {
+ $alt_url = href(-full=>1, action=>"history", hash=>$hash, file_name=>$file_name);
+ } elsif (defined $hash) {
+ $alt_url = href(-full=>1, action=>"log", hash=>$hash);
+ } else {
+ $alt_url = href(-full=>1, action=>"summary");
+ }
+ $alt_url = esc_attr($alt_url);
+ print qq!<?xml version="1.0" encoding="utf-8"?>\n!;
+ if ($format eq 'rss') {
+ print <<XML;
+<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
+<channel>
+XML
+ print "<title>$title</title>\n" .
+ "<link>$alt_url</link>\n" .
+ "<description>$descr</description>\n" .
+ "<language>en</language>\n" .
+ # project owner is responsible for 'editorial' content
+ "<managingEditor>$owner</managingEditor>\n";
+ if (defined $logo || defined $favicon) {
+ # prefer the logo to the favicon, since RSS
+ # doesn't allow both
+ my $img = esc_url($logo || $favicon);
+ print "<image>\n" .
+ "<url>$img</url>\n" .
+ "<title>$title</title>\n" .
+ "<link>$alt_url</link>\n" .
+ "</image>\n";
+ }
+ if (%latest_date) {
+ print "<pubDate>$latest_date{'rfc2822'}</pubDate>\n";
+ print "<lastBuildDate>$latest_date{'rfc2822'}</lastBuildDate>\n";
+ }
+ print "<generator>gitweb v.$version/$git_version</generator>\n";
+ } elsif ($format eq 'atom') {
+ print <<XML;
+<feed xmlns="http://www.w3.org/2005/Atom">
+XML
+ print "<title>$title</title>\n" .
+ "<subtitle>$descr</subtitle>\n" .
+ '<link rel="alternate" type="text/html" href="' .
+ $alt_url . '" />' . "\n" .
+ '<link rel="self" type="' . $content_type . '" href="' .
+ $cgi->self_url() . '" />' . "\n" .
+ "<id>" . esc_url(href(-full=>1)) . "</id>\n" .
+ # use project owner for feed author
+ "<author><name>$owner</name></author>\n";
+ if (defined $favicon) {
+ print "<icon>" . esc_url($favicon) . "</icon>\n";
+ }
+ if (defined $logo) {
+ # not twice as wide as tall: 72 x 27 pixels
+ print "<logo>" . esc_url($logo) . "</logo>\n";
+ }
+ if (! %latest_date) {
+ # dummy date to keep the feed valid until commits trickle in:
+ print "<updated>1970-01-01T00:00:00Z</updated>\n";
+ } else {
+ print "<updated>$latest_date{'iso-8601'}</updated>\n";
+ }
+ print "<generator version='$version/$git_version'>gitweb</generator>\n";
+ }
+
+ # contents
+ for (my $i = 0; $i <= $#commitlist; $i++) {
+ my %co = %{$commitlist[$i]};
+ my $commit = $co{'id'};
+ # we read 150, we always show 30 and the ones more recent than 48 hours
+ if (($i >= 20) && ((time - $co{'author_epoch'}) > 48*60*60)) {
+ last;
+ }
+ my %cd = parse_date($co{'author_epoch'}, $co{'author_tz'});
+
+ # get list of changed files
+ open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
+ $co{'parent'} || "--root",
+ $co{'id'}, "--", (defined $file_name ? $file_name : ())
+ or next;
+ my @difftree = map { chomp; $_ } <$fd>;
+ close $fd
+ or next;
+
+ # print element (entry, item)
+ my $co_url = href(-full=>1, action=>"commitdiff", hash=>$commit);
+ if ($format eq 'rss') {
+ print "<item>\n" .
+ "<title>" . esc_html($co{'title'}) . "</title>\n" .
+ "<author>" . esc_html($co{'author'}) . "</author>\n" .
+ "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
+ "<guid isPermaLink=\"true\">$co_url</guid>\n" .
+ "<link>" . esc_html($co_url) . "</link>\n" .
+ "<description>" . esc_html($co{'title'}) . "</description>\n" .
+ "<content:encoded>" .
+ "<![CDATA[\n";
+ } elsif ($format eq 'atom') {
+ print "<entry>\n" .
+ "<title type=\"html\">" . esc_html($co{'title'}) . "</title>\n" .
+ "<updated>$cd{'iso-8601'}</updated>\n" .
+ "<author>\n" .
+ " <name>" . esc_html($co{'author_name'}) . "</name>\n";
+ if ($co{'author_email'}) {
+ print " <email>" . esc_html($co{'author_email'}) . "</email>\n";
+ }
+ print "</author>\n" .
+ # use committer for contributor
+ "<contributor>\n" .
+ " <name>" . esc_html($co{'committer_name'}) . "</name>\n";
+ if ($co{'committer_email'}) {
+ print " <email>" . esc_html($co{'committer_email'}) . "</email>\n";
+ }
+ print "</contributor>\n" .
+ "<published>$cd{'iso-8601'}</published>\n" .
+ "<link rel=\"alternate\" type=\"text/html\" href=\"" . esc_attr($co_url) . "\" />\n" .
+ "<id>" . esc_html($co_url) . "</id>\n" .
+ "<content type=\"xhtml\" xml:base=\"" . esc_url($my_url) . "\">\n" .
+ "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n";
+ }
+ my $comment = $co{'comment'};
+ print "<pre>\n";
+ foreach my $line (@$comment) {
+ $line = esc_html($line);
+ print "$line\n";
+ }
+ print "</pre><ul>\n";
+ foreach my $difftree_line (@difftree) {
+ my %difftree = parse_difftree_raw_line($difftree_line);
+ next if !$difftree{'from_id'};
+
+ my $file = $difftree{'file'} || $difftree{'to_file'};
+
+ print "<li>" .
+ "[" .
+ $cgi->a({-href => href(-full=>1, action=>"blobdiff",
+ hash=>$difftree{'to_id'}, hash_parent=>$difftree{'from_id'},
+ hash_base=>$co{'id'}, hash_parent_base=>$co{'parent'},
+ file_name=>$file, file_parent=>$difftree{'from_file'}),
+ -title => "diff"}, 'D');
+ if ($have_blame) {
+ print $cgi->a({-href => href(-full=>1, action=>"blame",
+ file_name=>$file, hash_base=>$commit),
+ -title => "blame"}, 'B');
+ }
+ # if this is not a feed of a file history
+ if (!defined $file_name || $file_name ne $file) {
+ print $cgi->a({-href => href(-full=>1, action=>"history",
+ file_name=>$file, hash=>$commit),
+ -title => "history"}, 'H');
+ }
+ $file = esc_path($file);
+ print "] ".
+ "$file</li>\n";
+ }
+ if ($format eq 'rss') {
+ print "</ul>]]>\n" .
+ "</content:encoded>\n" .
+ "</item>\n";
+ } elsif ($format eq 'atom') {
+ print "</ul>\n</div>\n" .
+ "</content>\n" .
+ "</entry>\n";
+ }
+ }
+
+ # end of feed
+ if ($format eq 'rss') {
+ print "</channel>\n</rss>\n";
+ } elsif ($format eq 'atom') {
+ print "</feed>\n";
+ }
+}
+
+sub git_rss {
+ git_feed('rss');
+}
+
+sub git_atom {
+ git_feed('atom');
+}
+
+sub git_opml {
+ my @list = git_get_projects_list($project_filter, $strict_export);
+ if (!@list) {
+ die_error(404, "No projects found");
+ }
+
+ print $cgi->header(
+ -type => 'text/xml',
+ -charset => 'utf-8',
+ -content_disposition => 'inline; filename="opml.xml"');
+
+ my $title = esc_html($site_name);
+ my $filter = " within subdirectory ";
+ if (defined $project_filter) {
+ $filter .= esc_html($project_filter);
+ } else {
+ $filter = "";
+ }
+ print <<XML;
+<?xml version="1.0" encoding="utf-8"?>
+<opml version="1.0">
+<head>
+ <title>$title OPML Export$filter</title>
+</head>
+<body>
+<outline text="git RSS feeds">
+XML
+
+ foreach my $pr (@list) {
+ my %proj = %$pr;
+ my $head = git_get_head_hash($proj{'path'});
+ if (!defined $head) {
+ next;
+ }
+ $git_dir = "$projectroot/$proj{'path'}";
+ my %co = parse_commit($head);
+ if (!%co) {
+ next;
+ }
+
+ my $path = esc_html(chop_str($proj{'path'}, 25, 5));
+ my $rss = esc_attr(href('project' => $proj{'path'}, 'action' => 'rss', -full => 1));
+ my $html = esc_attr(href('project' => $proj{'path'}, 'action' => 'summary', -full => 1));
+ print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
+ }
+ print <<XML;
+</outline>
+</body>
+</opml>
+XML
+}