1 files changed, 18 insertions, 3 deletions

diff --git a/remote.c b/remote.c
index 369dc3398c..06ad15627a 100644
--- a/remote.c
+++ b/remote.c
@@ -409,7 +409,7 @@ static void read_config(void)
 	alias_all_urls();
 }
 
-static struct refspec *parse_refspec_internal(int nr_refspec, const char **refspec, int fetch)
+static struct refspec *parse_refspec_internal(int nr_refspec, const char **refspec, int fetch, int verify)
 {
 	int i;
 	int st;
@@ -519,17 +519,32 @@ static struct refspec *parse_refspec_internal(int nr_refspec, const char **refsp
 	return rs;
 
  invalid:
+	if (verify) {
+		free(rs);
+		return NULL;
+	}
 	die("Invalid refspec '%s'", refspec[i]);
 }
 
+int valid_fetch_refspec(const char *fetch_refspec_str)
+{
+	const char *fetch_refspec[] = { fetch_refspec_str };
+	struct refspec *refspec;
+
+	refspec = parse_refspec_internal(1, fetch_refspec, 1, 1);
+	if (refspec)
+		free(refspec);
+	return !!refspec;
+}
+
 struct refspec *parse_fetch_refspec(int nr_refspec, const char **refspec)
 {
-	return parse_refspec_internal(nr_refspec, refspec, 1);
+	return parse_refspec_internal(nr_refspec, refspec, 1, 0);
 }
 
 struct refspec *parse_push_refspec(int nr_refspec, const char **refspec)
 {
-	return parse_refspec_internal(nr_refspec, refspec, 0);
+	return parse_refspec_internal(nr_refspec, refspec, 0, 0);
 }
 
 static int valid_remote_nick(const char *name)