Merge branch 'tr/grep-l-with-decoration' into maint

* tr/grep-l-with-decoration:
  grep: fix -l/-L interaction with decoration lines

2 files changed, 25 insertions, 2 deletions

diff --git a/builtin/grep.c b/builtin/grep.c
index 9ce064ac11..5c2ae94e55 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -1034,8 +1034,9 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
 
 #ifndef NO_PTHREADS
 	if (use_threads) {
-		if (opt.pre_context || opt.post_context || opt.file_break ||
-		    opt.funcbody)
+		if (!(opt.name_only || opt.unmatch_name_only || opt.count)
+		    && (opt.pre_context || opt.post_context ||
+			opt.file_break || opt.funcbody))
 			skip_first_line = 1;
 		start_threads(&opt);
 	}
diff --git a/t/t7810-grep.sh b/t/t7810-grep.sh
index 7ba5b16f99..75f4716d8c 100755
--- a/t/t7810-grep.sh
+++ b/t/t7810-grep.sh
@@ -246,6 +246,28 @@ do
 done
 
 cat >expected <<EOF
+file
+EOF
+test_expect_success 'grep -l -C' '
+	git grep -l -C1 foo >actual &&
+	test_cmp expected actual
+'
+
+cat >expected <<EOF
+file:5
+EOF
+test_expect_success 'grep -l -C' '
+	git grep -c -C1 foo >actual &&
+	test_cmp expected actual
+'
+
+test_expect_success 'grep -L -C' '
+	git ls-files >expected &&
+	git grep -L -C1 nonexistent_string >actual &&
+	test_cmp expected actual
+'
+
+cat >expected <<EOF
 file:foo mmap bar_mmap
 EOF