X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=Debian%2FDgit.pm;h=a4ec3774099192941153e4557b3eb7520a992c71;hb=942637ea633f1c9dc0be2534a660296a76b87e27;hp=abcf123652e6db4917b9305cbdb5245d8802499e;hpb=e07f113726f46b8ab921ceecd4e282d93b39c2a2;p=dgit.git

diff --git a/Debian/Dgit.pm b/Debian/Dgit.pm
index abcf1236..a4ec3774 100644
--- a/Debian/Dgit.pm
+++ b/Debian/Dgit.pm
@@ -49,10 +49,11 @@ BEGIN {
 		      failedcmd_report_cmd failedcmd
                       runcmd cmdoutput cmdoutput_errok
                       git_rev_parse git_cat_file
-		      git_get_ref git_for_each_ref
+		      git_get_ref git_get_symref git_for_each_ref
                       git_for_each_tag_referring is_fast_fwd
                       $package_re $component_re $deliberately_re
 		      $distro_re $versiontag_re $series_filename_re
+		      $extra_orig_namepart_re
                       $branchprefix
                       initdebug enabledebug enabledebuglevel
                       printdebug debugcmd
@@ -80,6 +81,7 @@ our $distro_re = $component_re;
 our $versiontag_re = qr{[-+.\%_0-9a-zA-Z/]+};
 our $branchprefix = 'dgit';
 our $series_filename_re = qr{(?:^|\.)series(?!\n)$}s;
+our $extra_orig_namepart_re = qr{[-0-9a-z]+};
 
 # policy hook exit status bits
 # see dgit-repos-server head comment for documentation
@@ -108,7 +110,7 @@ sub forkcheck_mainprocess () {
 sub setup_sigwarn () {
     forkcheck_setup();
     $SIG{__WARN__} = sub { 
-	die $_[0] if forkcheck_mainprocess;
+	confess $_[0] if forkcheck_mainprocess;
     };
 }
 
@@ -381,6 +383,19 @@ sub git_cat_file ($;$) {
     return $chk->($type, $data);
 }
 
+sub git_get_symref (;$) {
+    my ($symref) = @_;  $symref //= 'HEAD';
+    # => undef if not a symref, otherwise refs/...
+    my @cmd = (qw(git symbolic-ref -q HEAD));
+    my $branch = cmdoutput_errok @cmd;
+    if (!defined $branch) {
+	$?==256 or failedcmd @cmd;
+    } else {
+	chomp $branch;
+    }
+    return $branch;
+}
+
 sub git_for_each_ref ($$;$) {
     my ($pattern,$func,$gitdir) = @_;
     # calls $func->($objid,$objtype,$fullrefname,$reftail);