convert.h: drop 'extern' from function declaration

diff --git a/fetch-pack.c b/fetch-pack.c
index 5056e22e6d01751eddb17391e5cb68051a5ff9ff..5714bcbddd6e1896bb81854ddddfb0d444e405e4 100644 (file)
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -35,6 +35,7 @@ static int agent_supported;
 static int server_supports_filtering;
 static struct lock_file shallow_lock;
 static const char *alternate_shallow_file;
+static char *negotiation_algorithm;
 
 /* Remember to update object flag allocation in object.h */
 #define COMPLETE       (1U << 0)
@@ -217,6 +218,22 @@ static int next_flush(int stateless_rpc, int count)
        return count;
 }
 
+static void mark_tips(struct fetch_negotiator *negotiator,
+                     const struct oid_array *negotiation_tips)
+{
+       int i;
+
+       if (!negotiation_tips) {
+               for_each_ref(rev_list_insert_ref_oid, negotiator);
+               return;
+       }
+
+       for (i = 0; i < negotiation_tips->nr; i++)
+               rev_list_insert_ref(negotiator, NULL,
+                                   &negotiation_tips->oid[i]);
+       return;
+}
+
 static int find_common(struct fetch_negotiator *negotiator,
                       struct fetch_pack_args *args,
                       int fd[2], struct object_id *result_oid,
@@ -234,7 +251,7 @@ static int find_common(struct fetch_negotiator *negotiator,
        if (args->stateless_rpc && multi_ack == 1)
                die(_("--stateless-rpc requires multi_ack_detailed"));
 
-       for_each_ref(rev_list_insert_ref_oid, negotiator);
+       mark_tips(negotiator, args->negotiation_tips);
        for_each_cached_alternate(negotiator, insert_one_alternate_object);
 
        fetching = 0;
@@ -897,7 +914,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
        const char *agent_feature;
        int agent_len;
        struct fetch_negotiator negotiator;
-       fetch_negotiator_init(&negotiator);
+       fetch_negotiator_init(&negotiator, negotiation_algorithm);
 
        sort_ref_list(&ref, ref_compare_name);
        QSORT(sought, nr_sought, cmp_ref_by_name);
@@ -1308,7 +1325,7 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
        int in_vain = 0;
        int haves_to_send = INITIAL_FLUSH;
        struct fetch_negotiator negotiator;
-       fetch_negotiator_init(&negotiator);
+       fetch_negotiator_init(&negotiator, negotiation_algorithm);
        packet_reader_init(&reader, fd[0], NULL, 0,
                           PACKET_READ_CHOMP_NEWLINE);
 
@@ -1332,7 +1349,7 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
                        else
                                state = FETCH_SEND_REQUEST;
 
-                       for_each_ref(rev_list_insert_ref_oid, &negotiator);
+                       mark_tips(&negotiator, args->negotiation_tips);
                        for_each_cached_alternate(&negotiator,
                                                  insert_one_alternate_object);
                        break;
@@ -1390,6 +1407,8 @@ static void fetch_pack_config(void)
        git_config_get_bool("repack.usedeltabaseoffset", &prefer_ofs_delta);
        git_config_get_bool("fetch.fsckobjects", &fetch_fsck_objects);
        git_config_get_bool("transfer.fsckobjects", &transfer_fsck_objects);
+       git_config_get_string("fetch.negotiationalgorithm",
+                             &negotiation_algorithm);
 
        git_config(git_default_config, NULL);
 }