[PATCH 2/4] t7003: ensure --prune-empty removes entire branch when applicable

[Devin J. Pohly]

Sanity check before changing the logic in git_commit_non_empty_tree.

Signed-off-by: Devin J. Pohly <djpo...@gmail.com>
---
 t/t7003-filter-branch.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/t/t7003-filter-branch.sh b/t/t7003-filter-branch.sh
index 2dfe46250..7cb60799b 100755
--- a/t/t7003-filter-branch.sh
+++ b/t/t7003-filter-branch.sh
@@ -371,6 +371,13 @@ test_expect_success '--prune-empty is able to prune root 
commit' '
        test_cmp expect actual
 '
 
+test_expect_success '--prune-empty is able to prune entire branch' '
+       git branch prune-entire B &&
+       git filter-branch -f --prune-empty --index-filter "git update-index 
--remove A.t B.t" prune-entire &&
+       test_path_is_missing .git/refs/heads/prune-entire &&
+       test_must_fail git reflog exists refs/heads/prune-entire
+'
+
 test_expect_success '--remap-to-ancestor with filename filters' '
        git checkout master &&
        git reset --hard A &&
-- 
2.11.1