anchor.diff:      subversion
       unison
       vagrant
  -    vlc
       w3m
       wget
       ] ++ (if stdenv.isDarwin then [] else [
           # gnupg
           # pass
  +        calibre
           crawl
  +        darktable
           dmenu
           feh
           gitAndTools.git-annex
  +        inotifyTools
           libreoffice
           linuxPackages.virtualbox
  +        vlc
           zathura
       ]);
     }
  
positive.code:     htop
      id3v2
      inkscape
      inotifyTools
      isync # mbsync
      jq
      ledger3
  
negative.code:     atool
      autojump
      bazaar
      curl
      cvs
      darcs
      gimp
      git-lfs
      gitAndTools.hub
  