git-branch.txt: compare --contains, --merged and --no-merged

diff --git a/remote.c b/remote.c
index 369dc3398cc22206497f17cd846702783f59cf76..06ad15627a6488f3a5e6c699828f6f721d8647ba 100644 (file)
--- 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)