transport-helper.c: do not overwrite forced bit

diff --git a/transport-helper.c b/transport-helper.c
index 4c2a39e8ff03df5285657a5c0f9b7746c28d76a6..705dce7e049af441f706ea56b8c5ca82bf2b5482 100644 (file)
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -28,7 +28,8 @@ struct helper_data {
                connect : 1,
                signed_tags : 1,
                check_connectivity : 1,
-               no_disconnect_req : 1;
+               no_disconnect_req : 1,
+               no_private_update : 1;
        char *export_marks;
        char *import_marks;
        /* These go from remote name (as in "list") to private name */
@@ -208,6 +209,8 @@ static struct child_process *get_helper(struct transport *transport)
                        strbuf_addstr(&arg, "--import-marks=");
                        strbuf_addstr(&arg, capname + strlen("import-marks "));
                        data->import_marks = strbuf_detach(&arg, NULL);
+               } else if (!prefixcmp(capname, "no-private-update")) {
+                       data->no_private_update = 1;
                } else if (mandatory) {
                        die("Unknown mandatory capability %s. This remote "
                            "helper probably needs newer version of Git.",
@@ -640,7 +643,7 @@ static int push_update_ref_status(struct strbuf *buf,
                                   struct ref *remote_refs)
 {
        char *refname, *msg;
-       int status;
+       int status, forced = 0;
 
        if (!prefixcmp(buf->buf, "ok ")) {
                status = REF_STATUS_OK;
@@ -698,6 +701,11 @@ static int push_update_ref_status(struct strbuf *buf,
                        free(msg);
                        msg = NULL;
                }
+               else if (!strcmp(msg, "forced update")) {
+                       forced = 1;
+                       free(msg);
+                       msg = NULL;
+               }
        }
 
        if (*ref)
@@ -719,12 +727,14 @@ static int push_update_ref_status(struct strbuf *buf,
        }
 
        (*ref)->status = status;
+       (*ref)->forced_update |= forced;
        (*ref)->remote_status = msg;
        return !(status == REF_STATUS_OK);
 }
 
 static void push_update_refs_status(struct helper_data *data,
-                                   struct ref *remote_refs)
+                                   struct ref *remote_refs,
+                                   int flags)
 {
        struct strbuf buf = STRBUF_INIT;
        struct ref *ref = remote_refs;
@@ -738,7 +748,7 @@ static void push_update_refs_status(struct helper_data *data,
                if (push_update_ref_status(&buf, &ref, remote_refs))
                        continue;
 
-               if (!data->refspecs)
+               if (flags & TRANSPORT_PUSH_DRY_RUN || !data->refspecs || data->no_private_update)
                        continue;
 
                /* propagate back the update to the remote namespace */
@@ -829,7 +839,7 @@ static int push_refs_with_push(struct transport *transport,
        sendline(data, &buf);
        strbuf_release(&buf);
 
-       push_update_refs_status(data, remote_refs);
+       push_update_refs_status(data, remote_refs, flags);
        return 0;
 }
 
@@ -850,6 +860,11 @@ static int push_refs_with_export(struct transport *transport,
                        die("helper %s does not support dry-run", data->name);
        }
 
+       if (flags & TRANSPORT_PUSH_FORCE) {
+               if (set_helper_option(transport, "force", "true") != 0)
+                       warning("helper %s does not support 'force'", data->name);
+       }
+
        helper = get_helper(transport);
 
        write_constant(helper->in, "export\n");
@@ -871,9 +886,6 @@ static int push_refs_with_export(struct transport *transport,
                }
                free(private);
 
-               if (ref->deletion)
-                       die("remote-helpers do not support ref deletion");
-
                if (ref->peer_ref) {
                        if (strcmp(ref->peer_ref->name, ref->name))
                                die("remote-helpers do not support old:new syntax");
@@ -886,7 +898,7 @@ static int push_refs_with_export(struct transport *transport,
 
        if (finish_command(&exporter))
                die("Error while running fast-export");
-       push_update_refs_status(data, remote_refs);
+       push_update_refs_status(data, remote_refs, flags);
        return 0;
 }