anchor.diff:        environment = gitlabEnv;
         path = with pkgs; [
           postgresqlPackage
  -        git
  +        gitPackage
           openssh
           nodejs
           procps
  
positive.code:                         config.services.postgresql.package
                        else
                          pkgs.postgresql_12;
  
    gitlabSocket = "${cfg.statePath}/tmp/sockets/gitlab.socket";
    gitalySocket = "${cfg.statePath}/tmp/sockets/gitaly.socket";
  
negative.code:     prometheus_listen_addr = "localhost:9236"
  
      [git]
      bin_path = "${gitPackage}/bin/git"
  
      [gitaly-ruby]
      dir = "${cfg.packages.gitaly.ruby}"
  