Add a test showing that 'git repack' throws away grafted-away parents

Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t7700-repack.sh b/t/t7700-repack.sh
index 87c9b0e121db6c8ab7074e6c4968cd06d37851fe..a4dddb728f1a580f31df67eafa759d8bddf939e2 100755 (executable)
--- a/t/t7700-repack.sh
+++ b/t/t7700-repack.sh
@@ -149,5 +149,17 @@ test_expect_success 'local packed unreachable obs that exist in alternate ODB ar
        test_must_fail git show $csha1
 '
 
+test_expect_failure 'objects made unreachable by grafts only are kept' '
+       test_tick &&
+       git commit --allow-empty -m "commit 4" &&
+       H0=$(git rev-parse HEAD) &&
+       H1=$(git rev-parse HEAD^) &&
+       H2=$(git rev-parse HEAD^^) &&
+       echo "$H0 $H2" > .git/info/grafts &&
+       git reflog expire --expire=now --expire-unreachable=now --all &&
+       git repack -a -d &&
+       git cat-file -t $H1
+       '
+
 test_done