Merge pull request #2392 from libgit2/cmn/remote-delete

remote: build up the list of refs to remove

src/remote.c

@@ -1809,24 +1809,50 @@ static int remove_branch_config_related_entries(
 	return error;
 }
 
-static int remove_refs(git_repository *repo, const char *glob)
+static int remove_refs(git_repository *repo, const git_refspec *spec)
 {
-	git_reference_iterator *iter;
+	git_reference_iterator *iter = NULL;
+	git_vector refs;
 	const char *name;
+	char *dup;
 	int error;
+	size_t i;
 
-	if ((error = git_reference_iterator_glob_new(&iter, repo, glob)) < 0)
+	if ((error = git_vector_init(&refs, 8, NULL)) < 0)
 		return error;
 
+	if ((error = git_reference_iterator_new(&iter, repo)) < 0)
+		goto cleanup;
+
 	while ((error = git_reference_next_name(&name, iter)) == 0) {
-		if ((error = git_reference_remove(repo, name)) < 0)
-			break;
+		if (!git_refspec_dst_matches(spec, name))
+			continue;
+
+		dup = git__strdup(name);
+		if (!dup) {
+			error = -1;
+			goto cleanup;
 		}
-	git_reference_iterator_free(iter);
 
+		if ((error = git_vector_insert(&refs, dup)) < 0)
+			goto cleanup;
+	}
 	if (error == GIT_ITEROVER)
 		error = 0;
+	if (error < 0)
+		goto cleanup;
 
+	git_vector_foreach(&refs, i, name) {
+		if ((error = git_reference_remove(repo, name)) < 0)
+			break;
+	}
+
+cleanup:
+	git_reference_iterator_free(iter);
+	git_vector_foreach(&refs, i, dup) {
+		git__free(dup);
+	}
+	git_vector_free(&refs);
 	return error;
 }
 
@@ -1848,7 +1874,7 @@ static int remove_remote_tracking(git_repository *repo, const char *remote_name)
 		if (refspec == NULL)
 			continue;
 
-		if ((error = remove_refs(repo, git_refspec_dst(refspec))) < 0)
+		if ((error = remove_refs(repo, refspec)) < 0)
 			break;
 	}