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Diffstat (limited to 'scripts/dep3changelog.pl')
| -rwxr-xr-x | scripts/dep3changelog.pl | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/scripts/dep3changelog.pl b/scripts/dep3changelog.pl new file mode 100755 index 0000000..87bf588 --- /dev/null +++ b/scripts/dep3changelog.pl @@ -0,0 +1,187 @@ +#!/usr/bin/perl + +# dep3changelog: extract a DEP3 patch header from the named file and +# automatically update debian/changelog with a suitable entry +# +# Copyright 2010 Steve Langasek <vorlon@debian.org> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 +# USA + +use 5.008; # We're using PerlIO layers +use strict; +use warnings; +use open ':utf8'; # patch headers are required to be UTF-8 + +# for checking whether user names are valid and making format() behave +use Encode qw/decode_utf8 encode_utf8/; +use Getopt::Long; +use File::Basename; + +# And global variables +my $progname = basename($0); +my %env; + +sub usage () { + print <<"EOF"; +Usage: $progname patch [patch...] [options] [-- [dch options]] +Options: + --help, -h + Display this help message and exit + --version + Display version information + Additional options specified after -- are passed to dch. +EOF +} + +sub version () { + print <<"EOF"; +This is $progname, from the Debian devscripts package, version ###VERSION### +This code is copyright 2010 by Steve Langasek, all rights reserved. +This program comes with ABSOLUTELY NO WARRANTY. +You are free to redistribute this code under the terms of the +GNU General Public License, version 2 or later. +EOF +} + +my ($opt_help, $opt_version); +GetOptions( + "help|h" => \$opt_help, + "version" => \$opt_version, + ) + or die +"Usage: $progname patch [... patch] [-- [dch options]]\nRun $progname --help for more details\n"; + +if ($opt_help) { usage; exit 0; } +if ($opt_version) { version; exit 0; } + +my @patches; + +while (@ARGV && $ARGV[0] !~ /^-/) { + push(@patches, shift(@ARGV)); +} + +# Check, sanitise and decode these environment variables +check_env_utf8('DEBFULLNAME'); +check_env_utf8('NAME'); +check_env_utf8('DEBEMAIL'); +check_env_utf8('EMAIL'); + +if (exists $env{'DEBEMAIL'} and $env{'DEBEMAIL'} =~ /^(.*)\s+<(.*)>$/) { + $env{'DEBFULLNAME'} = $1 unless exists $env{'DEBFULLNAME'}; + $env{'DEBEMAIL'} = $2; +} +if (!exists $env{'DEBEMAIL'} or !exists $env{'DEBFULLNAME'}) { + if (exists $env{'EMAIL'} and $env{'EMAIL'} =~ /^(.*)\s+<(.*)>$/) { + $env{'DEBFULLNAME'} = $1 unless exists $env{'DEBFULLNAME'}; + $env{'EMAIL'} = $2; + } +} + +my $fullname = ''; +my $email = ''; + +if (exists $env{'DEBFULLNAME'}) { + $fullname = $env{'DEBFULLNAME'}; +} elsif (exists $env{'NAME'}) { + $fullname = $env{'NAME'}; +} else { + my @pw = getpwuid $<; + if ($pw[6]) { + if (my $pw = decode_utf8($pw[6])) { + $pw =~ s/,.*//; + $fullname = $pw; + } else { + warn +"$progname warning: passwd full name field for uid $<\nis not UTF-8 encoded; ignoring\n"; + } + } +} + +if (exists $env{'DEBEMAIL'}) { + $email = $env{'DEBEMAIL'}; +} elsif (exists $env{'EMAIL'}) { + $email = $env{'EMAIL'}; +} + +for my $patch (@patches) { + my $shebang = 0; + my $dpatch = 0; + # TODO: more than one debian or launchpad bug in a patch? + my ($description, $author, $debbug, $lpbug, $origin); + + next unless (open PATCH, $patch); + while (<PATCH>) { + # first line only + if (!$shebang) { + $shebang = 1; + if (/^#!/) { + $dpatch = $shebang = 1; + next; + } + } + last if (/^---/); + chomp; + # only if there was a shebang do we strip comment chars + s/^# // if ($dpatch); + # fixme: this should only apply to the description field. + next if (/^ /); + + if (/^(Description|Subject):\s+(.*)\s*/) { + $description = $2; + } elsif (/^(Author|From):\s+(.*)\s*/) { + $author = $2; + } elsif (/^Origin:\s+(.*)\s*/) { + $origin = $1; + } elsif (/^bug-debian:\s+https?:\/\/bugs\.debian\.org\/([0-9]+)\s*/i) { + $debbug = $1; + } elsif (/^bug-ubuntu:\s+https:\/\/.*launchpad\.net\/.*\/([0-9]+)\s*/i) + { + $lpbug = $1; + } + } + close PATCH; + if (!$description || (!$origin && !$author)) { + warn "$patch: Invalid DEP3 header\n"; + next; + } + my $changelog = "$patch: $description"; + $changelog .= '.' unless ($changelog =~ /\.$/); + if ($author && $author ne $fullname && $author ne "$fullname <$email>") { + $changelog .= " Thanks to $author."; + } + if ($debbug || $lpbug) { + $changelog .= ' Closes'; + $changelog .= ": #$debbug" if ($debbug); + $changelog .= "," if ($debbug && $lpbug); + $changelog .= " LP: #$lpbug" if ($lpbug); + $changelog .= '.'; + } + system('dch', $changelog, @ARGV); +} + +# Is the environment variable valid or not? +sub check_env_utf8 { + my $envvar = $_[0]; + + if (exists $ENV{$envvar} and $ENV{$envvar} ne '') { + if (!decode_utf8($ENV{$envvar})) { + warn +"$progname warning: environment variable $envvar not UTF-8 encoded; ignoring\n"; + } else { + $env{$envvar} = decode_utf8($ENV{$envvar}); + } + } +} |