builtin/am: introduce write_state_*() helper functions

diff --git a/builtin/fetch.c b/builtin/fetch.c
index 7910419c93275c58f4881202905ae1f24bfe8c91..34b6f5ebcad7a80901c60448a45e23b667ba7fbe 100644 (file)
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -179,13 +179,15 @@ static void add_merge_config(struct ref **head,
        }
 }
 
-static int add_existing(const char *refname, const unsigned char *sha1,
+static int add_existing(const char *refname, const struct object_id *oid,
                        int flag, void *cbdata)
 {
        struct string_list *list = (struct string_list *)cbdata;
        struct string_list_item *item = string_list_insert(list, refname);
-       item->util = xmalloc(20);
-       hashcpy(item->util, sha1);
+       struct object_id *old_oid = xmalloc(sizeof(*old_oid));
+
+       oidcpy(old_oid, oid);
+       item->util = old_oid;
        return 0;
 }
 
@@ -788,20 +790,29 @@ static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map,
        if (4 < i && !strncmp(".git", url + i - 3, 4))
                url_len = i - 3;
 
-       for (ref = stale_refs; ref; ref = ref->next) {
-               if (!dry_run)
-                       result |= delete_ref(ref->name, NULL, 0);
-               if (verbosity >= 0 && !shown_url) {
-                       fprintf(stderr, _("From %.*s\n"), url_len, url);
-                       shown_url = 1;
-               }
-               if (verbosity >= 0) {
+       if (!dry_run) {
+               struct string_list refnames = STRING_LIST_INIT_NODUP;
+
+               for (ref = stale_refs; ref; ref = ref->next)
+                       string_list_append(&refnames, ref->name);
+
+               result = delete_refs(&refnames);
+               string_list_clear(&refnames, 0);
+       }
+
+       if (verbosity >= 0) {
+               for (ref = stale_refs; ref; ref = ref->next) {
+                       if (!shown_url) {
+                               fprintf(stderr, _("From %.*s\n"), url_len, url);
+                               shown_url = 1;
+                       }
                        fprintf(stderr, " x %-*s %-*s -> %s\n",
                                TRANSPORT_SUMMARY(_("[deleted]")),
                                REFCOL_WIDTH, _("(none)"), prettify_refname(ref->name));
                        warn_dangling_symref(stderr, dangling_msg, ref->name);
                }
        }
+
        free(url);
        free_refs(stale_refs);
        return result;
@@ -913,9 +924,10 @@ static int do_fetch(struct transport *transport,
                        struct string_list_item *peer_item =
                                string_list_lookup(&existing_refs,
                                                   rm->peer_ref->name);
-                       if (peer_item)
-                               hashcpy(rm->peer_ref->old_sha1,
-                                       peer_item->util);
+                       if (peer_item) {
+                               struct object_id *old_oid = peer_item->util;
+                               hashcpy(rm->peer_ref->old_sha1, old_oid->hash);
+                       }
                }
        }