anchor.diff: -pkgs: with pkgs; [
  +pkgs:
  +let
  +  firefoxOverlay = (import packages/mozilla/firefox-overlay.nix pkgs pkgs);
  +  rustOverlay = (import packages/mozilla/rust-overlay.nix pkgs pkgs).latest.rustChannels.nightly;
  +in
  +with pkgs; [
     # Basic tools
     wget curl htop jq bc loc p7zip fdupes pandoc texlive.combined.scheme-medium
   
  
positive.code:   fish neovim
  
    # Browsers
    (import packages/mozilla/firefox-overlay.nix pkgs pkgs).firefox-nightly-bin w3m
  
    # Web chat
    teamspeak_client mumble
  
negative.code:   xsel xclip gnome3.gnome-screenshot qemu calcurse
  
    # Build systems
    pkgs.gnumake cmake rustOverlay.cargo gradle
  
    # Libraries
    SDL2 boost wxGTK30
  
    # Languages
    ghc rustOverlay.rustc lua5_3 luajit openjdk gcc clang python36 ruby nodejs-8_x
    (import ../urn { enableLuaJit = true; })
  
    # Games
  