anchor.diff: -{ config, pkgs, ... }:
  +{ config, pkgs, lib, ... }:
   
   {
     home.username = "perlinm";
  
positive.code:   home.keyboard.options = [ "shift:both_capslock" "caps:backspace" ];
    home.keyboard.variant = "colemak";
  
    home.packages = [
      pkgs.trashy
    ];
  
    home.sessionPath = [
      "/usr/bin"
  
negative.code:     "$HOME/.pyenv/bin"
      "$HOME/bin"
    ];
  
    home.sessionVariables = {
      EDITOR = "hx";
      VISUAL = "hx";
      BROWSER = "/usr/bin/firefox";
      TERM = "xterm-256color";
  
      NIX_ALLOW_UNFREE = 1;
      NIX_PATH = "$HOME/.nix-defexpr/channels:/nix/var/nix/profiles/per-user/root/channels$\{NIX_PATH:+:$NIX_PATH\}";
  
      RUST_BACKTRACE = 1;
  
      MATLAB_LOG_DIR = "/home/perlinm/Workspace/MATLAB/logs";
  