{config, pkgs, ...}: let
  git_user = "Grimmauld";
in {
  environment.systemPackages = with pkgs; [
    (writeShellScriptBin "silent-add" "git add --intent-to-add $@ ; git update-index --assume-unchanged $@")
    (writeShellScriptBin "systemd-owner" "systemctl show -pUser,UID $@")
    (writeShellScriptBin "nix-referrers" "nix-store --query --referrers $@")
    mkpasswd
    cargo
    gcc
    rustc
    rustfmt
    rust-analyzer
    jdk17
    python3
    pkg-config
    imgui
#    nodejs_21 # ugh.... somehow nvim needs node now?!?
  ];

  programs.git = {
    enable = true;
    lfs.enable = true;
    config = {
      init.defaultBranch = "main";
      credential.username = git_user;
      core.editor = "${pkgs.neovim}/bin/nvim";
      user.name = git_user;
      user.email = "${git_user}@grimmauld.de";
    };
  };

  programs.tmux = {
    enable = true;
    historyLimit = 42000;
    #keyMode = "vi";
  };

  virtualisation.docker.enable = true;
  

  programs.neovim = {
    enable = true;
    viAlias = true;
    defaultEditor = true;
    configure = {
      customRC = ''
        set number
        set hidden
        set fileencodings=utf-8
        set nocompatible
        set clipboard+=unnamedplus
        if filereadable($HOME . "/.vimrc")
          source ~/.vimrc
        endif
'';
      packages.myVimPackage = with pkgs.vimPlugins; {
        # loaded on launch
        start = [ 
          vim-nix
          vim-scala
          fugitive
          nvim-lspconfig
#          autoclose-nvim
#          coc-nvim
#          mason-nvim
#          mason-lspconfig-nvim
#          coc-rust-analyzer
#          rust-tools-nvim
          vim-vsnip
          cmp-path
          cmp-nvim-lsp-signature-help
          cmp-nvim-lua
          cmp-buffer
          cmp-vsnip
          nvim-dap
          nvim-treesitter-parsers.rust
          nvim-treesitter-parsers.lua
          nvim-treesitter-parsers.toml
          nvim-treesitter-parsers.c
          nvim-treesitter-parsers.vimdoc
          nvim-treesitter
          vimspector
          snippets-nvim
        ];

        # manually loadable by calling `:packadd $plugin-name`
        opt = [ ];
      };
    };
  };

  programs.xonsh.enable = true;
}