fetch: refactor fetch_refs into two functions

Refactor the fetch_refs function into a function that does the fetching
of refs and another function that stores them.  This is in preparation
for allowing additional processing of the fetched refs before updating
the local ref store.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/fetch.c b/builtin/fetch.c
index 545635448903003adbcc95a30b075211406ede56..2fabfed0ef84b005160c18a7d7f69ce48b7824c6 100644 (file)
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -968,9 +968,21 @@ static int fetch_refs(struct transport *transport, struct ref *ref_map)
        if (ret)
                ret = transport_fetch_refs(transport, ref_map);
        if (!ret)
-               ret |= store_updated_refs(transport->url,
-                               transport->remote->name,
-                               ref_map);
+               /*
+                * Keep the new pack's ".keep" file around to allow the caller
+                * time to update refs to reference the new objects.
+                */
+               return 0;
+       transport_unlock_pack(transport);
+       return ret;
+}
+
+/* Update local refs based on the ref values fetched from a remote */
+static int consume_refs(struct transport *transport, struct ref *ref_map)
+{
+       int ret = store_updated_refs(transport->url,
+                                    transport->remote->name,
+                                    ref_map);
        transport_unlock_pack(transport);
        return ret;
 }
@@ -1116,7 +1128,8 @@ static void backfill_tags(struct transport *transport, struct ref *ref_map)
        transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
        transport_set_option(transport, TRANS_OPT_DEPTH, "0");
        transport_set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, NULL);
-       fetch_refs(transport, ref_map);
+       if (!fetch_refs(transport, ref_map))
+               consume_refs(transport, ref_map);
 
        if (gsecondary) {
                transport_disconnect(gsecondary);
@@ -1165,7 +1178,7 @@ static int do_fetch(struct transport *transport,
                                   transport->url);
                }
        }
-       if (fetch_refs(transport, ref_map)) {
+       if (fetch_refs(transport, ref_map) || consume_refs(transport, ref_map)) {
                free_refs(ref_map);
                retcode = 1;
                goto cleanup;