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

diff --git a/t/t4151-am-abort.sh b/t/t4151-am-abort.sh
index 8d90634ab81b3d24326c519a8bae52c2e2cb3ac0..833e7b2ceae99cbf53bac63e239b362e368ddf8f 100755 (executable)
--- a/t/t4151-am-abort.sh
+++ b/t/t4151-am-abort.sh
@@ -14,6 +14,7 @@ test_expect_success setup '
        git add file-1 file-2 &&
        git commit -m initial &&
        git tag initial &&
+       git format-patch --stdout --root initial >initial.patch &&
        for i in 2 3 4 5 6
        do
                echo $i >>file-1 &&
@@ -63,6 +64,28 @@ do
 
 done
 
+test_expect_success 'am -3 --skip removes otherfile-4' '
+       git reset --hard initial &&
+       test_must_fail git am -3 0003-*.patch &&
+       test 3 -eq $(git ls-files -u | wc -l) &&
+       test 4 = "$(cat otherfile-4)" &&
+       git am --skip &&
+       test_cmp_rev initial HEAD &&
+       test -z "$(git ls-files -u)" &&
+       test_path_is_missing otherfile-4
+'
+
+test_expect_success 'am -3 --abort removes otherfile-4' '
+       git reset --hard initial &&
+       test_must_fail git am -3 0003-*.patch &&
+       test 3 -eq $(git ls-files -u | wc -l) &&
+       test 4 = "$(cat otherfile-4)" &&
+       git am --abort &&
+       test_cmp_rev initial HEAD &&
+       test -z $(git ls-files -u) &&
+       test_path_is_missing otherfile-4
+'
+
 test_expect_success 'am --abort will keep the local commits intact' '
        test_must_fail git am 0004-*.patch &&
        test_commit unrelated &&
@@ -72,4 +95,62 @@ test_expect_success 'am --abort will keep the local commits intact' '
        test_cmp expect actual
 '
 
+test_expect_success 'am -3 stops on conflict on unborn branch' '
+       git checkout -f --orphan orphan &&
+       git reset &&
+       rm -f otherfile-4 &&
+       test_must_fail git am -3 0003-*.patch &&
+       test 2 -eq $(git ls-files -u | wc -l) &&
+       test 4 = "$(cat otherfile-4)"
+'
+
+test_expect_success 'am -3 --skip clears index on unborn branch' '
+       test_path_is_dir .git/rebase-apply &&
+       echo tmpfile >tmpfile &&
+       git add tmpfile &&
+       git am --skip &&
+       test -z "$(git ls-files)" &&
+       test_path_is_missing otherfile-4 &&
+       test_path_is_missing tmpfile
+'
+
+test_expect_success 'am -3 --abort removes otherfile-4 on unborn branch' '
+       git checkout -f --orphan orphan &&
+       git reset &&
+       rm -f otherfile-4 file-1 &&
+       test_must_fail git am -3 0003-*.patch &&
+       test 2 -eq $(git ls-files -u | wc -l) &&
+       test 4 = "$(cat otherfile-4)" &&
+       git am --abort &&
+       test -z "$(git ls-files -u)" &&
+       test_path_is_missing otherfile-4
+'
+
+test_expect_success 'am -3 --abort on unborn branch removes applied commits' '
+       git checkout -f --orphan orphan &&
+       git reset &&
+       rm -f otherfile-4 otherfile-2 file-1 file-2 &&
+       test_must_fail git am -3 initial.patch 0003-*.patch &&
+       test 3 -eq $(git ls-files -u | wc -l) &&
+       test 4 = "$(cat otherfile-4)" &&
+       git am --abort &&
+       test -z "$(git ls-files -u)" &&
+       test_path_is_missing otherfile-4 &&
+       test_path_is_missing file-1 &&
+       test_path_is_missing file-2 &&
+       test 0 -eq $(git log --oneline 2>/dev/null | wc -l) &&
+       test refs/heads/orphan = "$(git symbolic-ref HEAD)"
+'
+
+test_expect_success 'am --abort on unborn branch will keep local commits intact' '
+       git checkout -f --orphan orphan &&
+       git reset &&
+       test_must_fail git am 0004-*.patch &&
+       test_commit unrelated2 &&
+       git rev-parse HEAD >expect &&
+       git am --abort &&
+       git rev-parse HEAD >actual &&
+       test_cmp expect actual
+'
+
 test_done