nixos vm config stuff

configuration.nix

# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ config, pkgs, ... }:

{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
    ];


  environment.systemPackages = with pkgs; [
    # basic widgets
    wget
    sudo
    manpages
    nix
    rxvt_unicode

    # x11 apps
    firefoxWrapper
    chromium
    xclip
    xscreensaver

    # font junk, copied from github gist
    xfontsel
    xlsfonts

    # for use by xmonad
    dzen2
    # for setting up desktop background
    feh
  ];

  boot.loader.grub.enable = true;
  boot.loader.grub.version = 2;
  boot.loader.grub.device = "nodev";
  boot.loader.grub.efiSupport = true;
  boot.loader.efi.canTouchEfiVariables = true;
  
  boot.initrd.checkJournalingFS = false;

  boot.initrd.luks.devices = [
    {
      name = "root";
      device = "/dev/disk/by-uuid/ba73f992-25da-4968-8de4-16b3e41021d5";
      preLVM = true;
      allowDiscards = true;
    }
  ];

  # User account
  # * Set a password using
  #   $ useradd -m pkinsky ; passwd pkinsky

  users.extraUsers.pkinsky = {
    createHome = true;
    home = "/home/pkinsky";
    description = "Paul Kinsky";
    # copied from gist, todo revisit (https://gist.github.com/i-e-b/6320077)
    extraGroups = [ "wheel" "disk" "vboxusers" "cdrom" ];
    isSystemUser = false;
    # useDefaultShell = true;
    shell = pkgs.zsh;
  }; 
  security.sudo.enable = true;




  services = {
    # x11
    xserver = {
      enable = true;
      layout = "us";
      windowManager.xmonad = {
        enable = true;
        enableContribAndExtras = true;
        extraPackages = haskellPackages: [
          haskellPackages.xmonad-contrib
          haskellPackages.xmonad-extras
          haskellPackages.xmonad
        ];
      };
      windowManager.default = "xmonad";
    };
  };


  # not sure if still required
  programs.zsh.promptInit = ""; # Clear this to avoid a conflict with oh-my-zsh

  # networking.hostName = "nixos"; # Define your hostname.
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

  # Select internationalisation properties.
  # i18n = {
  #   consoleFont = "Lat2-Terminus16";
  #   consoleKeyMap = "us";
  #   defaultLocale = "en_US.UTF-8";
  # };

  # Set your time zone.
  # time.timeZone = "Europe/Amsterdam";

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.bash.enableCompletion = true;
  # programs.mtr.enable = true;
  # programs.gnupg.agent = { enable = true; enableSSHSupport = true; };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  # services.openssh.enable = true;

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  # Enable CUPS to print documents.
  # services.printing.enable = true;
  
  # Enable touchpad support.
  # services.xserver.libinput.enable = true;

  # This value determines the NixOS release with which your system is to be
  # compatible, in order to avoid breaking some software such as database
  # servers. You should change this only after NixOS release notes say you
  # should.
  system.stateVersion = "17.09"; # Did you read the comment?

}

xmonad.hs

{-# LANGUAGE FlexibleContexts #-}


--------------------------------------------------------------------------------
import Data.Monoid
--------------------------------------------------------------------------------
import XMonad
--------------------------------------------------------------------------------
import XMonad.Config.Desktop
--------------------------------------------------------------------------------
import XMonad.Hooks.DynamicLog
import XMonad.Hooks.ManageDocks
import XMonad.Hooks.UrgencyHook
--------------------------------------------------------------------------------
import XMonad.Layout.DecorationMadness
import XMonad.Layout.Fullscreen
import XMonad.Layout.LayoutModifier
import XMonad.Layout.NoBorders
import XMonad.Layout.ThreeColumns
--------------------------------------------------------------------------------
import qualified XMonad.Prompt              as P
import XMonad.Prompt.Shell
--------------------------------------------------------------------------------
import XMonad.Util.EZConfig
import XMonad.Util.Run (spawnPipe)
--------------------------------------------------------------------------------



main = do
  spawn "xrdb -merge ~/.xmonad/XResources"
  spawn "feh --bg-scale ~/.xmonad/desktop.jpg"
  let baseConf = desktopConfig
                  { modMask = modm
                  , terminal = "urxvt"
                  , logHook = dynamicLogWithPP dzenPP
                  , layoutHook = myLayout
                  } `additionalKeysP` ezKeyBindings

  xmonad =<< myDzen baseConf
modm :: KeyMask
modm = mod1Mask  -- mod4 is left CMD on macbook, mod1 is right alt/option


-- key bindings for use with ez config tool
ezKeyBindings :: [(String, X ())]
ezKeyBindings =
    [ ("M-p",   shellPrompt myXPConfig)
    ]

-- the type on this is atrocious, sorta servant-esque type level layour repr
-- todo figure out how to represent well
-- myLayout :: Choose ThreeCol (Choose Tall (Choose Mirror Tall) Full) a
myLayout
    = ThreeColMid 1 (3/100) (1/2)
  ||| Tall 1 (3/100) (1/2)
  ||| Mirror (Tall 1 (3/100) (1/2))
  ||| Full

-- fun experimental layouts, maybe bind to specific key?
layoutMadness
    = circleSimpleDefault -- less useful but fun for HACKERMAN style demos I guess
  ||| circleSimpleTabbed -- slightly more useful, lists windows via tabs. keep, maybe
  ||| tallSimpleDefault -- basically just tall w/ tabs on windows
  ||| mirrorTallSimpleDefault -- basically just mirror tall w/ tabs on windows


--------------------------------------------------------------------------------
-- | Customize the way 'XMonad.Prompt' looks and behaves.
myXPConfig :: P.XPConfig
myXPConfig = def
  { P.position          = P.Top
  , P.alwaysHighlight   = True
  , P.promptBorderWidth = 0
  , P.font              = "xft:monospace:size=9"
  , P.bgColor           = bg
  , P.fgColor           = fg
  }

fg, bg :: String
fg = "#a8a3f7"
bg = "#3f3c6d"

--------------------------------------------------------------------------------
-- | my tweaked version of https://hackage.haskell.org/package/xmonad-contrib-0.13/docs/src/XMonad-Hooks-DynamicLog.html#dzen
myDzen :: LayoutClass l Window
     => XConfig l -> IO (XConfig (ModifiedLayout AvoidStruts l))
myDzen conf = statusBar ("dzen2 " ++ flags) dzenPP toggleStrutsKey conf
 where
    toggleStrutsKey XConfig{modMask = modm} = (modm, xK_b )
    -- note: -dock here makes struts avoidance work, not sure why
    flags   = mconcat [ "-e 'onstart=lower' -dock -ta l -fg '"
                      , fg
                      , "' -bg '"
                      , bg
                      , "'" -- fg and bg need to be wrapped in single quotes
                      ]

XResources

URxvt.scrollBar: false
urxvt*termName:         rxvt
urxvt*font:                 xft:uushi:pixelsize=16
urxvt*boldFont:             
urxvt*background:           #000000
urxvt*foreground:           #666699
urxvt*cursorColor:          #6699CC
urxvt*colorBD:              #CCCCFF

!Visiblue
urxvt*color0:               #333366
urxvt*color8:               #333399

urxvt*color1:               #6666CC
urxvt*color9:               #9999FF

urxvt*color2:               #0099CC
urxvt*color10:              #00CCFF

urxvt*color3:               #3366CC
urxvt*color11:              #6699FF

urxvt*color4:               #006699
urxvt*color12:              #0099CC

urxvt*color5:               #0066FF
urxvt*color13:              #0099FF

urxvt*color6:               #669999
urxvt*color14:              #66CCCC

urxvt*color7:               #99CCCC
urxvt*color15:              #CCFFFF


URxvt.transparent:       True
URxvt.shading:           15