dir.c: git-status --ignored: don't list empty ignored directories

'git-status --ignored' lists ignored tracked directories without any
ignored files if a tracked file happens to match an exclude pattern.

Always exclude tracked files.

Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: kblees

dir.c

@@ -1153,16 +1153,13 @@ static int treat_file(struct dir_struct *dir, struct strbuf *path, int exclude,
 	struct path_exclude_check check;
 	int exclude_file = 0;
 
+	/* Always exclude indexed files */
+	if (index_name_exists(&the_index, path->buf, path->len, ignore_case))
+		return 1;
+
 	if (exclude)
 		exclude_file = !(dir->flags & DIR_SHOW_IGNORED);
 	else if (dir->flags & DIR_SHOW_IGNORED) {
-		/* Always exclude indexed files */
-		struct cache_entry *ce = index_name_exists(&the_index,
-		    path->buf, path->len, ignore_case);
-
-		if (ce)
-			return 1;
-
 		path_exclude_check_init(&check, dir);
 
 		if (!is_path_excluded(&check, path->buf, path->len, dtype))

t/t7061-wtstatus-ignore.sh

@@ -118,6 +118,29 @@ test_expect_success 'status ignored tracked directory with --ignore -u' '
 	test_cmp expected actual
 '
 
+cat >expected <<\EOF
+?? .gitignore
+?? actual
+?? expected
+EOF
+
+test_expect_success 'status ignored tracked directory and ignored file with --ignore' '
+	echo "committed" >>.gitignore &&
+	git status --porcelain --ignored >actual &&
+	test_cmp expected actual
+'
+
+cat >expected <<\EOF
+?? .gitignore
+?? actual
+?? expected
+EOF
+
+test_expect_success 'status ignored tracked directory and ignored file with --ignore -u' '
+	git status --porcelain --ignored -u >actual &&
+	test_cmp expected actual
+'
+
 cat >expected <<\EOF
 ?? .gitignore
 ?? actual
@@ -126,6 +149,7 @@ cat >expected <<\EOF
 EOF
 
 test_expect_success 'status ignored tracked directory and uncommitted file with --ignore' '
+	echo "tracked" >.gitignore &&
 	: >tracked/uncommitted &&
 	git status --porcelain --ignored >actual &&
 	test_cmp expected actual