append_one_rev(): rewrite to work with object_id

diff --git a/t/t7508-status.sh b/t/t7508-status.sh
index 0f9ad4c7e223cfbd5df8552cf19d70e9a6a74296..c3ed7cb51c9a73b5bb6152b56824e6c6b8347d2c 100755 (executable)
--- a/t/t7508-status.sh
+++ b/t/t7508-status.sh
@@ -538,7 +538,7 @@ A  dir2/added
 ?? untracked
 EOF
 test_expect_success 'status -s -uall' '
-       git config --unset status.showuntrackedfiles
+       test_unconfig status.showuntrackedfiles &&
        git status -s -uall >output &&
        test_cmp expect output
 '