test_must_fail git commit -m initial
'
+test_expect_success '--dry-run fails with nothing to commit' '
+ test_must_fail git commit -m initial --dry-run
+'
+
+test_expect_success '--short fails with nothing to commit' '
+ test_must_fail git commit -m initial --short
+'
+
+test_expect_success '--porcelain fails with nothing to commit' '
+ test_must_fail git commit -m initial --porcelain
+'
+
+test_expect_success '--long fails with nothing to commit' '
+ test_must_fail git commit -m initial --long
+'
+
test_expect_success 'setup: non-initial commit' '
echo bongo bongo bongo >file &&
git commit -m next -a
'
+test_expect_success '--dry-run with stuff to commit returns ok' '
+ echo bongo bongo bongo >>file &&
+ git commit -m next -a --dry-run
+'
+
+test_expect_failure '--short with stuff to commit returns ok' '
+ echo bongo bongo bongo >>file &&
+ git commit -m next -a --short
+'
+
+test_expect_failure '--porcelain with stuff to commit returns ok' '
+ echo bongo bongo bongo >>file &&
+ git commit -m next -a --porcelain
+'
+
+test_expect_success '--long with stuff to commit returns ok' '
+ echo bongo bongo bongo >>file &&
+ git commit -m next -a --long
+'
+
test_expect_success 'commit message from non-existing file' '
echo more bongo: bongo bongo bongo bongo >file &&
test_must_fail git commit -F gah -a