commit_packed_refs(): use a staging file separate from the lockfile

diff --git a/t/t7300-clean.sh b/t/t7300-clean.sh
index 86ceb38b015807ada68357fa80ffa45f4f85f287..b89fd2a6ada025fc0e68b1a1c3d7e739aacec688 100755 (executable)
--- a/t/t7300-clean.sh
+++ b/t/t7300-clean.sh
@@ -495,7 +495,7 @@ test_expect_success 'should not clean submodules' '
        test_path_is_missing to_clean
 '
 
-test_expect_success POSIXPERM 'should avoid cleaning possible submodules' '
+test_expect_success POSIXPERM,SANITY 'should avoid cleaning possible submodules' '
        rm -fr to_clean possible_sub1 &&
        mkdir to_clean possible_sub1 &&
        test_when_finished "rm -rf possible_sub*" &&