t7003: ensure --prune-empty removes entire branch when applicable

Sanity check before changing the logic in git_commit_non_empty_tree. Signed-off-by: Devin J. Pohly <djpohly@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Devin J. Pohly committed Feb 23, 2017 at 02:27 UTC 4dacc8f11d4acfb43d76e2a1abc2d2a57d5a2691
1 file changed +7
t/t7003-filter-branch.sh
+7
@@ -371,6 +371,13 @@ test_expect_failure '--prune-empty is able to prune root commit' '
371 test_cmp expect actual
372 '
373
374 +test_expect_failure '--prune-empty is able to prune entire branch' '
375 + git branch prune-entire B &&
376 + git filter-branch -f --prune-empty --index-filter "git update-index --remove A.t B.t" prune-entire &&
377 + test_path_is_missing .git/refs/heads/prune-entire &&
378 + test_must_fail git reflog exists refs/heads/prune-entire
379 +'
380 +
381 test_expect_success '--remap-to-ancestor with filename filters' '
382 git checkout master &&
383 git reset --hard A &&