remote-hg: only update necessary revisions

diff --git a/transport-helper.c b/transport-helper.c
index fdd79d8b35010ae7ed6515abc9a9fd7865a5851d..522d79178e2cc4909a5df21fe483946fc3d1ad0e 100644 (file)
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -25,6 +25,7 @@ struct helper_data {
                option : 1,
                push : 1,
                connect : 1,
+               signed_tags : 1,
                no_disconnect_req : 1;
        char *export_marks;
        char *import_marks;
@@ -191,6 +192,8 @@ static struct child_process *get_helper(struct transport *transport)
                        refspecs[refspec_nr++] = xstrdup(capname + strlen("refspec "));
                } else if (!strcmp(capname, "connect")) {
                        data->connect = 1;
+               } else if (!strcmp(capname, "signed-tags")) {
+                       data->signed_tags = 1;
                } else if (!prefixcmp(capname, "export-marks ")) {
                        struct strbuf arg = STRBUF_INIT;
                        strbuf_addstr(&arg, "--export-marks=");
@@ -409,9 +412,11 @@ static int get_exporter(struct transport *transport,
        /* we need to duplicate helper->in because we want to use it after
         * fastexport is done with it. */
        fastexport->out = dup(helper->in);
-       fastexport->argv = xcalloc(5 + revlist_args->nr, sizeof(*fastexport->argv));
+       fastexport->argv = xcalloc(6 + revlist_args->nr, sizeof(*fastexport->argv));
        fastexport->argv[argc++] = "fast-export";
        fastexport->argv[argc++] = "--use-done-feature";
+       fastexport->argv[argc++] = data->signed_tags ?
+               "--signed-tags=verbatim" : "--signed-tags=warn-strip";
        if (data->export_marks)
                fastexport->argv[argc++] = data->export_marks;
        if (data->import_marks)
@@ -800,6 +805,7 @@ static int push_refs_with_export(struct transport *transport,
                if (private && !get_sha1(private, sha1)) {
                        strbuf_addf(&buf, "^%s", private);
                        string_list_append(&revlist_args, strbuf_detach(&buf, NULL));
+                       hashcpy(ref->old_sha1, sha1);
                }
                free(private);