Merge branch 'np/push-delta' into maint

[git.git] / builtin-receive-pack.c

diff --git a/builtin-receive-pack.c b/builtin-receive-pack.c
index 035b723e50a72427a26102b91f5900b131d44095..0b08da9b595432efa231eb59d88ecd2b422eb56a 100644 (file)
--- a/builtin-receive-pack.c
+++ b/builtin-receive-pack.c
@@ -27,10 +27,9 @@ static int receive_unpack_limit = -1;
 static int transfer_unpack_limit = -1;
 static int unpack_limit = 100;
 static int report_status;
+static int prefer_ofs_delta = 1;
 static const char *head_name;
-
-static char capabilities[] = " report-status delete-refs ";
-static int capabilities_sent;
+static char *capabilities_to_send;
 
 static enum deny_action parse_deny_action(const char *var, const char *value)
 {
@@ -84,24 +83,29 @@ static int receive_pack_config(const char *var, const char *value, void *cb)
                return 0;
        }
 
+       if (strcmp(var, "repack.usedeltabaseoffset") == 0) {
+               prefer_ofs_delta = git_config_bool(var, value);
+               return 0;
+       }
+
        return git_default_config(var, value, cb);
 }
 
 static int show_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
 {
-       if (capabilities_sent)
+       if (!capabilities_to_send)
                packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
        else
                packet_write(1, "%s %s%c%s\n",
-                            sha1_to_hex(sha1), path, 0, capabilities);
-       capabilities_sent = 1;
+                            sha1_to_hex(sha1), path, 0, capabilities_to_send);
+       capabilities_to_send = NULL;
        return 0;
 }
 
 static void write_head_info(void)
 {
        for_each_ref(show_ref, NULL);
-       if (!capabilities_sent)
+       if (capabilities_to_send)
                show_ref("capabilities^{}", null_sha1, 0, NULL);
 
 }
@@ -687,6 +691,10 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
        else if (0 <= receive_unpack_limit)
                unpack_limit = receive_unpack_limit;
 
+       capabilities_to_send = (prefer_ofs_delta) ?
+               " report-status delete-refs ofs-delta " :
+               " report-status delete-refs ";
+
        add_alternate_refs();
        write_head_info();
        clear_extra_refs();