{ pkgs ? (import <nixpkgs> {}) }:

let
  watchscript = (pkgs.writeScriptBin "watchzola" ''
    while true
    do
      ${pkgs.zola}/bin/zola serve
      sleep 3
    done
  '');

  shellMake = pkgs.writeScriptBin "make" ''
    rootdir="$(${pkgs.git}/bin/git rev-parse --show-toplevel)"
    [[ -z "$rootdir" ]] && { echo "Not in a git repo"; exit 1; }
    ${pkgs.gnumake}/bin/make -C "$rootdir" $*
  '';
in
pkgs.mkShell {
  buildInputs = with pkgs; [
    watchscript
    shellMake
    zola
  ];
}