do_fetch(): clean up existing_refs before exiting

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/fetch.c b/builtin/fetch.c
index 80c6e37d27a89f587dea72a4a243404b78cbdf45..48df5fa4800431969ae8d237e9a7fac95ae0c169 100644 (file)
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -697,6 +697,7 @@ static int do_fetch(struct transport *transport,
        struct ref *ref_map;
        struct ref *rm;
        int autotags = (transport->remote->fetch_tags == 1);
+       int retcode = 0;
 
        for_each_ref(add_existing, &existing_refs);
 
@@ -712,9 +713,9 @@ static int do_fetch(struct transport *transport,
 
        /* if not appending, truncate FETCH_HEAD */
        if (!append && !dry_run) {
-               int errcode = truncate_fetch_head();
-               if (errcode)
-                       return errcode;
+               retcode = truncate_fetch_head();
+               if (retcode)
+                       goto cleanup;
        }
 
        ref_map = get_ref_map(transport, refs, ref_count, tags, &autotags);
@@ -736,7 +737,8 @@ static int do_fetch(struct transport *transport,
                transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
        if (fetch_refs(transport, ref_map)) {
                free_refs(ref_map);
-               return 1;
+               retcode = 1;
+               goto cleanup;
        }
        if (prune) {
                /* If --tags was specified, pretend the user gave us the canonical tags refspec */
@@ -779,7 +781,9 @@ static int do_fetch(struct transport *transport,
                free_refs(ref_map);
        }
 
-       return 0;
+ cleanup:
+       string_list_clear(&existing_refs, 0);
+       return retcode;
 }
 
 static void set_option(const char *name, const char *value)