gistfile1.nix

/*
A set of applications which is lightweight in terms of build closure but makes
using a system a lot more pleasant.
*/
{ pkgs, ... }:
{
  environment.systemPackages = with pkgs; [
    ((vimUtils.makeCustomizable vim).customize {
      name = "vim";
      vimrcConfig = {
        customRC = ''
          syntax on
          command! -nargs=1 Spaces set shiftwidth=<args> softtabstop=<args> tabstop=17 expandtab autoindent
          command! -nargs=1 Tabs set shiftwidth=<args> softtabstop=<args> tabstop=<args> noexpandtab autoindent
          Spaces 4
          set is si ai ic hls mouse=a ttymouse=xterm2 backspace=2 laststatus=2 statusline=%f\ %l+%c/%L\ %p%%
          noremap <ScrollWheelUp> <C-y>
          noremap <ScrollWheelDown> <C-e>

          " normal mode: default cursor
          let &t_EI = "\<Esc>[0 q"
          " insert mode: vertical line
          let &t_SI = "\<Esc>[6 q"
          " replace mode: underline
          let &t_SR = "\<Esc>[3 q"
        '';
        packages.m.start = with pkgs.vimPlugins; [ vim-nix ];
      };
    })
    file
    git
    htop
    jq
    lsof
    ncdu
    pv
    silver-searcher
    tcpdump
  ];

  environment.variables.EDITOR = "vim";

  programs.tmux.enable = true;
  programs.tmux.secureSocket = false;
  programs.tmux.extraTmuxConf = ''
    set -g default-terminal "screen-256color"
    set -g mouse on

    set -g escape-time 0
    set -g history-limit 50000
    set -g mode-keys vi
    set -g renumber-windows

    bind-key h select-pane -L
    bind-key j select-pane -D
    bind-key k select-pane -U
    bind-key l select-pane -R

    bind-key -T copy-mode-vi WheelUpPane send -N1 -X scroll-up
    bind-key -T copy-mode-vi WheelDownPane send -N1 -X scroll-down
  '';
}