[squash 4/3] t/cindex-join: fix alternates setup

[Eric Wong <e@80x24.org>]

We'll also disable GC since fetch/clone already leaves us with
packs.
---
 Will squash this into 3/3

 t/cindex-join.t | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/t/cindex-join.t b/t/cindex-join.t
index fad30d93..0972afa4 100644
--- a/t/cindex-join.t
+++ b/t/cindex-join.t
@@ -30,19 +30,18 @@ while (my $url = shift @code) {
 	fetch = +refs/*:refs/*
 	mirror = true
 EOM
-		if (my $d = $code{$key}) {
+		if (my $d = $code{'mwrap-perl.git'}) {
 			$d = File::Spec->abs2rel("$topdir/$d", 'objects');
 			write_file '>','objects/info/alternates',"$d/objects\n"
 		}
 		diag "mirroring coderepo: $url ...";
 		xsys_e qw(git fetch -q origin);
-		xsys_e qw(git --git-dir=. gc -q);
 	};
 }
 
 while (my ($url, $v, $ng) = splice(@inboxes, 0, 3)) {
 	my ($key) = ($url =~ m!/([^/]+)\z!);
-	my @opt = (version => $v, tmpdir => "$tmpdir/$key");
+	my @opt = (version => $v, tmpdir => "$tmpdir/$key" -no_gc => 1);
 	$inboxes{$key} = create_inbox $key, @opt, sub {
 		my ($im, $ibx) = @_;
 		$im->done;