anchor.diff:      curl
       diff-pdf
       direnv
  +    expect
       fzf
       gawk
       gcc
  
positive.code:       inherit noweb;
      })
      tree
      vim
      watch
      # wipe
  
negative.code:     # git-cola
      gnome3.networkmanagerapplet
      # keybase-gui
      libreoffice
      qpdfview
      playerctl
      psmisc
  