commit: do not ignore an empty message given by -m ''

diff --git a/t/t1507-rev-parse-upstream.sh b/t/t1507-rev-parse-upstream.sh
index 178694ee63937a9ec1f8d182d54441c2d20bd4a3..1978947c4196fb666d55395bedc53ae149b6d13d 100755 (executable)
--- a/t/t1507-rev-parse-upstream.sh
+++ b/t/t1507-rev-parse-upstream.sh
@@ -121,7 +121,7 @@ test_expect_success 'merge my-side@{u} records the correct name' '
        git branch -D new ;# can fail but is ok
        git branch -t new my-side@{u} &&
        git merge -s ours new@{u} &&
-       git show -s --pretty=format:%s >actual &&
+       git show -s --pretty=tformat:%s >actual &&
        echo "Merge remote-tracking branch ${sq}origin/side${sq}" >expect &&
        test_cmp expect actual
 )