anchor.diff:      , buildInputs ? []
       , propagatedBuildInputs ? []
       , doCheck ? true
  +    , checkPhase ? null
       , postInstall ? ""
       , shellHook ? ""
       , dockerConfig ? {}
  
positive.code:             (extractEggName
                (readLines file))));
  
          
  
  
    makeElmStuff = deps:
      let 
          inherit (releng_pkgs.pkgs) lib fetchurl;
          json = builtins.toJSON (lib.mapAttrs (name: info: info.version) deps);
          cmds = lib.mapAttrsToList (name: info: let
  
negative.code:           fi
          '' + postInstall;
  
          checkPhase =
            if checkPhase != null
              then checkPhase
              else ''
                export LANG=en_US.UTF-8
                export LOCALE_ARCHIVE=${glibcLocales}/lib/locale/locale-archive
                export APP_TESTING=${name}
  
                flake8 --exclude=nix_run_setup.py,migrations/,build/
                pytest tests/
              '';
  
          shellHook = ''
            export CACHE_DEFAULT_TIMEOUT=3600
            export CACHE_TYPE=filesystem
            export CACHE_DIR=$PWD/cache
            export LANG=en_US.UTF-8
            export DEBUG=1
            export APP_TESTING=${name}
            export FLASK_APP=${dirname}:app
          '' + shellHook;
  
  