)
'
+test_expect_success 'graceful fallback when missing reverse index' '
+ rm -fr repo &&
+ git init repo &&
+ test_when_finished "rm -fr repo" &&
+ (
+ cd repo &&
+
+ test_commit base &&
+
+ # write a pack and MIDX bitmap containing base
+ git repack -adb &&
+ git multi-pack-index write --bitmap &&
+
+ GIT_TEST_MIDX_READ_RIDX=0 \
+ git rev-list --use-bitmap-index HEAD 2>err &&
+ ! grep "ignoring extra bitmap file" err
+ )
+'
+
test_done