refs.c: make remove_empty_directories always set errno to something sane

diff --git a/t/t7502-commit.sh b/t/t7502-commit.sh
index 30e46884f29722c38b8fd664339b8440a2b042e4..051489ea334c9693c2d19823ad23947703f66d90 100755 (executable)
--- a/t/t7502-commit.sh
+++ b/t/t7502-commit.sh
@@ -344,6 +344,13 @@ test_expect_success 'message shows author when it is not equal to committer' '
          .git/COMMIT_EDITMSG
 '
 
+test_expect_success 'message shows date when it is explicitly set' '
+       git commit --allow-empty -e -m foo --date="2010-01-02T03:04:05" &&
+       test_i18ngrep \
+         "^# Date: *Sat Jan 2 03:04:05 2010 +0000" \
+         .git/COMMIT_EDITMSG
+'
+
 test_expect_success AUTOIDENT 'message shows committer when it is automatic' '
 
        echo >>negative &&