From 7a8c9ec1a95a368c5f32d430058d67109feccfee Mon Sep 17 00:00:00 2001
From: "Shawn O. Pearce" <spearce@spearce.org>
Date: Fri, 2 Feb 2007 00:05:55 -0500
Subject: Pull out remote listing functions in git-remote.

I want to reuse the stale branch detection to implement a new
'git remote prune' subcommand.  Easiest way to do that is to use
the same logic that 'git remote show' uses to determine the stale
tracking branches, then delete those.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git-remote.perl b/git-remote.perl
index c813fe1..969d33b 100755
--- a/git-remote.perl
+++ b/git-remote.perl
@@ -130,7 +130,7 @@ sub update_ls_remote {
 	$info->{'LS_REMOTE'} = \@ref;
 }
 
-sub show_wildcard_mapping {
+sub list_wildcard_mapping {
 	my ($forced, $ours, $ls) = @_;
 	my %refs;
 	for (@$ls) {
@@ -156,25 +156,14 @@ sub show_wildcard_mapping {
 			push @tracked, $_;
 		}
 	}
-	if (@new) {
-		print "  New remote branches (next fetch will store in remotes/$ours)\n";
-		print "    @new\n";
-	}
-	if (@stale) {
-		print "  Stale tracking branches in remotes/$ours (you'd better remove them)\n";
-		print "    @stale\n";
-	}
-	if (@tracked) {
-		print "  Tracked remote branches\n";
-		print "    @tracked\n";
-	}
+	return \@new, \@stale, \@tracked;
 }
 
-sub show_mapping {
+sub list_mapping {
 	my ($name, $info) = @_;
 	my $fetch = $info->{'FETCH'};
 	my $ls = $info->{'LS_REMOTE'};
-	my (@stale, @tracked);
+	my (@new, @stale, @tracked);
 
 	for (@$fetch) {
 		next unless (/(\+)?([^:]+):(.*)/);
@@ -182,7 +171,11 @@ sub show_mapping {
 		if ($theirs eq 'refs/heads/*' &&
 		    $ours =~ /^refs\/remotes\/(.*)\/\*$/) {
 			# wildcard mapping
-			show_wildcard_mapping($forced, $1, $ls);
+			my ($w_new, $w_stale, $w_tracked)
+				= list_wildcard_mapping($forced, $1, $ls);
+			push @new, @$w_new;
+			push @stale, @$w_stale;
+			push @tracked, @$w_tracked;
 		}
 		elsif ($theirs =~ /\*/ || $ours =~ /\*/) {
 			print STDERR "Warning: unrecognized mapping in remotes.$name.fetch: $_\n";
@@ -196,13 +189,23 @@ sub show_mapping {
 			}
 		}
 	}
-	if (@stale) {
+	return \@new, \@stale, \@tracked;
+}
+
+sub show_mapping {
+	my ($name, $info) = @_;
+	my ($new, $stale, $tracked) = list_mapping($name, $info);
+	if (@$new) {
+		print "  New remote branches (next fetch will store in remotes/$name)\n";
+		print "    @$new\n";
+	}
+	if (@$stale) {
 		print "  Stale tracking branches in remotes/$name (you'd better remove them)\n";
-		print "    @stale\n";
+		print "    @$stale\n";
 	}
-	if (@tracked) {
+	if (@$tracked) {
 		print "  Tracked remote branches\n";
-		print "    @tracked\n";
+		print "    @$tracked\n";
 	}
 }
 
-- 
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