builbot: add updateScript

pkgs/development/python-modules/buildbot/default.nix

@@ -97,6 +97,7 @@ let
     passthru = {
       inherit withPlugins;
       tests.buildbot = nixosTests.buildbot;
+      updateScript = ./update.sh;
     };
 
     meta = with lib; {

pkgs/development/python-modules/buildbot/update.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p nix-update
+set -eu -o pipefail
+
+nix-update python3Packages.buildbot
+nix-update --version=skip python3Packages.buildbot-worker
+nix-update --version=skip python3Packages.buildbot-pkg
+nix-update --version=skip python3Packages.buildbot-plugins.www
+nix-update --version=skip python3Packages.buildbot-plugins.console-view
+nix-update --version=skip python3Packages.buildbot-plugins.waterfall-view
+nix-update --version=skip python3Packages.buildbot-plugins.grid-view
+nix-update --version=skip python3Packages.buildbot-plugins.wsgi-dashboards