refs_ref_iterator_begin(): new function

diff --git a/fetch-pack.c b/fetch-pack.c
index e0f5d5ce875acad79b5ddcfc4e24b6ff8bc33df9..d07d85ce302d39abc8c017c377d4230d729fdeb4 100644 (file)
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -614,7 +614,7 @@ static void filter_refs(struct fetch_pack_args *args,
                                        break; /* definitely do not have it */
                                else if (cmp == 0) {
                                        keep = 1; /* definitely have it */
-                                       sought[i]->matched = 1;
+                                       sought[i]->match_status = REF_MATCHED;
                                }
                                i++;
                        }
@@ -634,22 +634,24 @@ static void filter_refs(struct fetch_pack_args *args,
        }
 
        /* Append unmatched requests to the list */
-       if ((allow_unadvertised_object_request &
-           (ALLOW_TIP_SHA1 | ALLOW_REACHABLE_SHA1))) {
-               for (i = 0; i < nr_sought; i++) {
-                       unsigned char sha1[20];
+       for (i = 0; i < nr_sought; i++) {
+               unsigned char sha1[20];
 
-                       ref = sought[i];
-                       if (ref->matched)
-                               continue;
-                       if (get_sha1_hex(ref->name, sha1) ||
-                           ref->name[40] != '\0' ||
-                           hashcmp(sha1, ref->old_oid.hash))
-                               continue;
+               ref = sought[i];
+               if (ref->match_status != REF_NOT_MATCHED)
+                       continue;
+               if (get_sha1_hex(ref->name, sha1) ||
+                   ref->name[40] != '\0' ||
+                   hashcmp(sha1, ref->old_oid.hash))
+                       continue;
 
-                       ref->matched = 1;
+               if ((allow_unadvertised_object_request &
+                   (ALLOW_TIP_SHA1 | ALLOW_REACHABLE_SHA1))) {
+                       ref->match_status = REF_MATCHED;
                        *newtail = copy_ref(ref);
                        newtail = &(*newtail)->next;
+               } else {
+                       ref->match_status = REF_UNADVERTISED_NOT_ALLOWED;
                }
        }
        *refs = newlist;
@@ -1130,3 +1132,26 @@ struct ref *fetch_pack(struct fetch_pack_args *args,
        clear_shallow_info(&si);
        return ref_cpy;
 }
+
+int report_unmatched_refs(struct ref **sought, int nr_sought)
+{
+       int i, ret = 0;
+
+       for (i = 0; i < nr_sought; i++) {
+               if (!sought[i])
+                       continue;
+               switch (sought[i]->match_status) {
+               case REF_MATCHED:
+                       continue;
+               case REF_NOT_MATCHED:
+                       error(_("no such remote ref %s"), sought[i]->name);
+                       break;
+               case REF_UNADVERTISED_NOT_ALLOWED:
+                       error(_("Server does not allow request for unadvertised object %s"),
+                             sought[i]->name);
+                       break;
+               }
+               ret = 1;
+       }
+       return ret;
+}