Merge branch 'jz/apply-quiet-and-allow-empty'

"git apply" has been taught to ignore a message without a patch
with the "--allow-empty" option.  It also learned to honor the
"--quiet" option given from the command line.

* jz/apply-quiet-and-allow-empty:
  git-apply: add --allow-empty flag
  git-apply: add --quiet flag

1 files changed, 18 insertions, 4 deletions

diff --git a/t/t4126-apply-empty.sh b/t/t4126-apply-empty.sh
index a361e79a81..82284d2f45 100755
--- a/t/t4126-apply-empty.sh
+++ b/t/t4126-apply-empty.sh
@@ -11,6 +11,8 @@ test_expect_success setup '
 	git add empty &&
 	test_tick &&
 	git commit -m initial &&
+	git commit --allow-empty -m "empty commit" &&
+	git format-patch --always HEAD~ >empty.patch &&
 	for i in a b c d e
 	do
 		echo $i
@@ -27,30 +29,42 @@ test_expect_success setup '
 '
 
 test_expect_success 'apply empty' '
-	git reset --hard &&
 	rm -f missing &&
+	test_when_finished "git reset --hard" &&
 	git apply patch0 &&
 	test_cmp expect empty
 '
 
+test_expect_success 'apply empty patch fails' '
+	test_when_finished "git reset --hard" &&
+	test_must_fail git apply empty.patch &&
+	test_must_fail git apply - </dev/null
+'
+
+test_expect_success 'apply with --allow-empty succeeds' '
+	test_when_finished "git reset --hard" &&
+	git apply --allow-empty empty.patch &&
+	git apply --allow-empty - </dev/null
+'
+
 test_expect_success 'apply --index empty' '
-	git reset --hard &&
 	rm -f missing &&
+	test_when_finished "git reset --hard" &&
 	git apply --index patch0 &&
 	test_cmp expect empty &&
 	git diff --exit-code
 '
 
 test_expect_success 'apply create' '
-	git reset --hard &&
 	rm -f missing &&
+	test_when_finished "git reset --hard" &&
 	git apply patch1 &&
 	test_cmp expect missing
 '
 
 test_expect_success 'apply --index create' '
-	git reset --hard &&
 	rm -f missing &&
+	test_when_finished "git reset --hard" &&
 	git apply --index patch1 &&
 	test_cmp expect missing &&
 	git diff --exit-code