self: super: with super;
let
  mkEnv = name: paths: buildEnv {inherit name paths; };
  py3 = python36Packages; hs = haskellPackages; js = nodePackages; ml = ocamlPackages;
  py2 = python27Packages; elm = elmPackages;
in {
  envs = recurseIntoAttrs {
    de = mkEnv "y-de-deps" [
      gtk-engine-murrine
      hicolor_icon_theme
      vanilla-dmz
      # arc-theme
      libnotify
      #rxvt_unicode-with-plugins
      pavucontrol
      light
      # dropbox # really?
      xorg.xrdb
      # xclip xorg.xrandr arandr
      siji fira-mono playerctl
      mosquitto
      #hs.arbtt
    ];
    scripts = mkEnv "y-scripts" [
      # peageprint
      # weiightminder
    ];
    
    apps = mkEnv "y-apps" [
      #wpa_supplicant_gui
      alacritty
      gajim
      neomutt
      #torbrowser
      chromium
      #firefox-bin
      gimp
      feh
      tdesktop
      #hexchat
      #inkscape
      # libreoffice
      # skype
	    spotify
      #quasselClient
      calibre
      #py2.plover
      wireshark # meld
      discord
      fanficfare
      hledger
      #transmission-remote-gtk
      gopass
      yubioath-desktop
    ];

    media = mkEnv "y-media" [
      streamlink
      py3.youtube-dl
      mpv
      aria2
      js.peerflix
    ];

    coins = mkEnv "y-coins" [
      # altcoins.namecoin
      # altcoins.dogecoin
      electrum
    ];

    nix = mkEnv "y-nix" [
      patchelf nix-prefetch-git nixopsUnstable nox niv nix-diff nixfmt
      nix-du
    ];

    c = mkEnv "y-cdev" [
      valgrind cdecl gdb ltrace cmake radare2 # gcc
    ];
    misc = mkEnv "y-misc" [
      #gitAndTools.git-annex # doesn't build
      gnupg1 man-pages bup # catdoc
      borgbackup
      imagemagick
      openssl
      sshfsFuse
      sshuttle iodine stow
      expect duplicity
      wakelan pass
      abduco dvtm w3m
      jq jo
      thefuck 
      magic-wormhole
      mosh pv
      screen fzf
      atop lnav neofetch awscli
      glxinfo
    ];

    code = mkEnv "y-code" (with gitAndTools; [
      python3 git-crypt hub gnumake cloc silver-searcher gitFire gti gcc
      gdb sqlite
    ]);
    java = openjdk;

    games = mkEnv "y-games" [
      # steam openttd wine winetricks minecraft nottetris2
      steam
    ];

    js = mkEnv "y-jsdev" [
      js.jshint nodejs electron /*js.node2nix*/
    ];

    pdf = mkEnv "y-pdf" [
      ml.cpdf zathura pandoc poppler_utils
    ];
    hs = mkEnv "y-hs" [
      ghc stack cabal-install
    ];

  };
  # install with nix-env -iAr nixos.hosts.$(hostname -s)
  # will remove all your previously installed nix-env stuff
  # so check with nix-env -q first
  hosts = with self; with self.envs; rec {
    ascanius = [apps code de games envs.js pdf nix media misc scripts coins myEmacs];
    jarvis = [apps code de /*games*/ envs.js pdf nix media misc scripts];
    blackadder = jarvis;
    woodhouse = [de media misc kodi chromium spotify];
    pennyworth = [];
    frumar = [bup gitAndTools.git-annex rtorrent pyroscope];
  };

}