1 files changed, 172 insertions, 0 deletions
diff --git a/lib/Devscripts/Uscan/git.pm b/lib/Devscripts/Uscan/git.pm
new file mode 100644
index 0000000..843e7c0
--- /dev/null
+++ b/lib/Devscripts/Uscan/git.pm
@@ -0,0 +1,172 @@
+package Devscripts::Uscan::git;
+
+use strict;
+use Cwd qw/abs_path/;
+use Devscripts::Uscan::Output;
+use Devscripts::Uscan::Utils;
+use Devscripts::Uscan::_vcs;
+use Dpkg::IPC;
+use File::Path 'remove_tree';
+use Moo::Role;
+
+######################################################
+# search $newfile $newversion (git mode/versionless)
+######################################################
+sub git_search {
+    my ($self) = @_;
+    my ($newfile, $newversion);
+    if ($self->versionless) {
+        $newfile = $self->parse_result->{filepattern}; # HEAD or heads/<branch>
+        if ($self->pretty eq 'describe') {
+            $self->gitmode('full');
+        }
+        if (    $self->gitmode eq 'shallow'
+            and $self->parse_result->{filepattern} eq 'HEAD') {
+            uscan_exec(
+                'git',
+                'clone',
+                '--quiet',
+                '--bare',
+                '--depth=1',
+                $self->parse_result->{base},
+                "$self->{downloader}->{destdir}/" . $self->gitrepo_dir
+            );
+            $self->downloader->gitrepo_state(1);
+        } elsif ($self->gitmode eq 'shallow'
+            and $self->parse_result->{filepattern} ne 'HEAD')
+        {    # heads/<branch>
+            $newfile =~ s&^heads/&&;    # Set to <branch>
+            uscan_exec(
+                'git',
+                'clone',
+                '--quiet',
+                '--bare',
+                '--depth=1',
+                '-b',
+                "$newfile",
+                $self->parse_result->{base},
+                "$self->{downloader}->{destdir}/" . $self->gitrepo_dir
+            );
+            $self->downloader->gitrepo_state(1);
+        } else {
+            uscan_exec(
+                'git', 'clone', '--quiet', '--bare',
+                $self->parse_result->{base},
+                "$self->{downloader}->{destdir}/" . $self->gitrepo_dir
+            );
+            $self->downloader->gitrepo_state(2);
+        }
+        if ($self->pretty eq 'describe') {
+
+            # use unannotated tags to be on safe side
+            spawn(
+                exec => [
+                    'git',
+"--git-dir=$self->{downloader}->{destdir}/$self->{gitrepo_dir}",
+                    'describe',
+                    '--tags'
+                ],
+                wait_child => 1,
+                to_string  => \$newversion
+            );
+            $newversion =~ s/-/./g;
+            chomp($newversion);
+            if (
+                mangle(
+                    $self->watchfile,  \$self->line,
+                    'uversionmangle:', \@{ $self->uversionmangle },
+                    \$newversion
+                )
+            ) {
+                return undef;
+            }
+        } else {
+            my $tmp = $ENV{TZ};
+            $ENV{TZ} = 'UTC';
+            spawn(
+                exec => [
+                    'git',
+"--git-dir=$self->{downloader}->{destdir}/$self->{gitrepo_dir}",
+                    'log',
+                    '-1',
+                    "--date=format-local:$self->{date}",
+                    "--pretty=$self->{pretty}"
+                ],
+                wait_child => 1,
+                to_string  => \$newversion
+            );
+            $ENV{TZ} = $tmp;
+            chomp($newversion);
+        }
+    }
+    ################################################
+    # search $newfile $newversion (git mode w/tag)
+    ################################################
+    elsif ($self->mode eq 'git') {
+        my @args = ('ls-remote', $self->parse_result->{base});
+        # Try to use local upstream branch if available
+        if (-d '.git') {
+            my $out;
+            eval {
+                spawn(
+                    exec       => ['git', 'remote', '--verbose', 'show'],
+                    wait_child => 1,
+                    to_string  => \$out
+                );
+            };
+            # Check if git repo found in debian/watch exists in
+            # `git remote show` output
+            if ($out and $out =~ /^(\S+)\s+\Q$self->{parse_result}->{base}\E/m)
+            {
+                $self->downloader->git_upstream($1);
+                uscan_warn
+                  "Using $self->{downloader}->{git_upstream} remote origin";
+                # Found, launch a "fetch" to be up to date
+                spawn(
+                    exec => ['git', 'fetch', $self->downloader->git_upstream],
+                    wait_child => 1
+                );
+                @args = ('show-ref');
+            }
+        }
+        ($newversion, $newfile)
+          = get_refs($self, ['git', @args], qr/^\S+\s+([^\^\{\}]+)$/, 'git');
+        return undef if !defined $newversion;
+    }
+    return ($newversion, $newfile);
+}
+
+sub git_upstream_url {
+    my ($self) = @_;
+    my $upstream_url
+      = $self->parse_result->{base} . ' ' . $self->search_result->{newfile};
+    return $upstream_url;
+}
+
+*git_newfile_base = \&Devscripts::Uscan::_vcs::_vcs_newfile_base;
+
+sub git_clean {
+    my ($self) = @_;
+
+    # If git cloned repo exists and not --debug ($verbose=2) -> remove it
+    if (    $self->downloader->gitrepo_state > 0
+        and $verbose < 2
+        and !$self->downloader->git_upstream) {
+        my $err;
+        uscan_verbose "Removing git repo ($self->{downloader}->{destdir}/"
+          . $self->gitrepo_dir . ")";
+        remove_tree "$self->{downloader}->{destdir}/" . $self->gitrepo_dir,
+          { error => \$err };
+        if (@$err) {
+            local $, = "\n\t";
+            uscan_warn "Errors during git repo clean:\n\t@$err";
+        }
+        $self->downloader->gitrepo_state(0);
+    } else {
+        uscan_debug "Keep git repo ($self->{downloader}->{destdir}/"
+          . $self->gitrepo_dir . ")";
+    }
+    return 0;
+}
+
+1;