name: "next_dir",
    modifier: none,
    keycode: char_>,
    mode: vi_normal,

    name: "next_dir"
    modifier: none
    keycode: char_>
    mode: vi_normal

      send: executehostcommand,

      send: executehostcommand

  },

  }

    name: "prev_dir",
    modifier: none,
    keycode: char_<,
    mode: vi_normal,

    name: "prev_dir"
    modifier: none
    keycode: char_<
    mode: vi_normal

      send: executehostcommand,

      send: executehostcommand

  {
    name: "unfreeze"
    modifier: control
    keycode: char_z
    mode: vi_insert
    event: {
      send: executehostcommand
      cmd: "job unfreeze"
    }
  }

def "nix gc" []: nothing -> nothing {
  nix-env --delete-generations old
  nix store gc
  nix store optimise
}