Merge branch 'nk/refspecs-negative-fix'

Hotfix for recent regression.

* nk/refspecs-negative-fix:
  negative-refspec: improve comment on query_matches_negative_refspec
  negative-refspec: fix segfault on : refspec

1 files changed, 13 insertions, 3 deletions

diff --git a/remote.c b/remote.c
index 9f2450c..c3f85c1 100644
--- a/remote.c
+++ b/remote.c
@@ -736,6 +736,12 @@ static int query_matches_negative_refspec(struct refspec *rs, struct refspec_ite
 	 * item uses the destination. To handle this, we apply pattern
 	 * refspecs in reverse to figure out if the query source matches any
 	 * of the negative refspecs.
+	 *
+	 * The first loop finds and expands all positive refspecs
+	 * matched by the queried ref.
+	 *
+	 * The second loop checks if any of the results of the first loop
+	 * match any negative refspec.
 	 */
 	for (i = 0; i < rs->nr; i++) {
 		struct refspec_item *refspec = &rs->items[i];
@@ -751,9 +757,13 @@ static int query_matches_negative_refspec(struct refspec *rs, struct refspec_ite
 
 			if (match_name_with_pattern(key, needle, value, &expn_name))
 				string_list_append_nodup(&reversed, expn_name);
-		} else {
-			if (!strcmp(needle, refspec->src))
-				string_list_append(&reversed, refspec->src);
+		} else if (refspec->matching) {
+			/* For the special matching refspec, any query should match */
+			string_list_append(&reversed, needle);
+		} else if (!refspec->src) {
+			BUG("refspec->src should not be null here");
+		} else if (!strcmp(needle, refspec->src)) {
+			string_list_append(&reversed, refspec->src);
 		}
 	}