builtin/submodule--helper: factor out submodule updating

diff --git a/fetch-pack.c b/fetch-pack.c
index 0a9d184adb1ef9d82bed175a1155a0aacdc75f09..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)
@@ -913,7 +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);
@@ -1324,7 +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);
 
@@ -1406,6 +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);
 }