commit-graph: error out on invalid commit oids in 'write --stdin-commits'

diff --git a/t/t6500-gc.sh b/t/t6500-gc.sh
index 515c6735e9cb076c9f4b5a252c48216765b5076a..c0f04dc6b0e149173691e13c0194ffbd53be6ef8 100755 (executable)
--- a/t/t6500-gc.sh
+++ b/t/t6500-gc.sh
@@ -71,6 +71,8 @@ test_expect_success 'gc --keep-largest-pack' '
                git gc --keep-largest-pack &&
                ( cd .git/objects/pack && ls *.pack ) >pack-list &&
                test_line_count = 2 pack-list &&
+               awk "/^P /{print \$2}" <.git/objects/info/packs >pack-info &&
+               test_line_count = 2 pack-info &&
                test_path_is_file $BASE_PACK &&
                git fsck
        )