Teach 'git remote' how to cleanup stale tracking branches.

[thirdparty/git.git] / git-remote.perl

diff --git a/git-remote.perl b/git-remote.perl
index 969d33bc5e7ab321d4462dbb246e471e22b451d1..f16ff21b8bed7fe4bc250a2489267ec8bb6ae00c 100755 (executable)
--- a/git-remote.perl
+++ b/git-remote.perl
@@ -200,7 +200,7 @@ sub show_mapping {
                print "    @$new\n";
        }
        if (@$stale) {
-               print "  Stale tracking branches in remotes/$name (you'd better remove them)\n";
+               print "  Stale tracking branches in remotes/$name (use 'git remote prune')\n";
                print "    @$stale\n";
        }
        if (@$tracked) {
@@ -209,6 +209,23 @@ sub show_mapping {
        }
 }
 
+sub prune_remote {
+       my ($name, $ls_remote) = @_;
+       if (!exists $remote->{$name}) {
+               print STDERR "No such remote $name\n";
+               return;
+       }
+       my $info = $remote->{$name};
+       update_ls_remote($ls_remote, $info);
+
+       my ($new, $stale, $tracked) = list_mapping($name, $info);
+       my $prefix = "refs/remotes/$name";
+       foreach my $to_prune (@$stale) {
+               my @v = $git->command(qw(rev-parse --verify), "$prefix/$to_prune");
+               $git->command(qw(update-ref -d), "$prefix/$to_prune", $v[0]);
+       }
+}
+
 sub show_remote {
        my ($name, $ls_remote) = @_;
        if (!exists $remote->{$name}) {
@@ -270,6 +287,25 @@ elsif ($ARGV[0] eq 'show') {
                show_remote($ARGV[$i], $ls_remote);
        }
 }
+elsif ($ARGV[0] eq 'prune') {
+       my $ls_remote = 1;
+       my $i;
+       for ($i = 1; $i < @ARGV; $i++) {
+               if ($ARGV[$i] eq '-n') {
+                       $ls_remote = 0;
+               }
+               else {
+                       last;
+               }
+       }
+       if ($i >= @ARGV) {
+               print STDERR "Usage: git remote prune <remote>\n";
+               exit(1);
+       }
+       for (; $i < @ARGV; $i++) {
+               prune_remote($ARGV[$i], $ls_remote);
+       }
+}
 elsif ($ARGV[0] eq 'add') {
        if (@ARGV != 3) {
                print STDERR "Usage: git remote add <name> <url>\n";
@@ -281,5 +317,6 @@ else {
        print STDERR "Usage: git remote\n";
        print STDERR "       git remote add <name> <url>\n";
        print STDERR "       git remote show <name>\n";
+       print STDERR "       git remote prune <name>\n";
        exit(1);
 }