{ stdenv, gnutar }:

stdenv.mkDerivation rec {
  name = "config-archive";
  src = ../../.;
  outputs = [ "out" ];
  buildInputs = [ gnutar ];

  buildPhase = ''
  tar czf config.tar.gz -C $src --exclude-ignore=.gitignore .
  
  '';

  installPhase = ''
  mkdir -p $out/bin

  install config.tar.gz $out

  echo "
  #!/bin/sh

  tar xzf ${placeholder "out"}/config.tar.gz --one-top-level
  " >> $out/bin/config-extract

  chmod +x $out/bin/config-extract
  '';
}