anchor.diff:        tree
         apg
         postgresql
  +      qtcreator
       ];
     };
   
  
positive.code:     glide
    ];
  
  in
    rec {
      allowUnfree = true;
  
      packageOverrides = pkgs : rec {
        dev-env = pkgs.buildEnv {
  
negative.code:       (ctagsWrapped.ctagsWrapped.override { name = "ctags"; })
        fasd
        gnumake
        direnv
        unzip
        p7zip
  