core/pkgs/by-name/ga/gawk/gawk-with-extensions.nix

{
  runCommand,
  gawk,
  extensions,
  makeWrapper,
}:

runCommand "gawk-with-extensions"
  {
    nativeBuildInputs = [ makeWrapper ];
    buildInputs = [ gawk ] ++ extensions;
  }
  ''
    mkdir -p $out/bin
    for i in ${gawk}/bin/*; do
      name="$(basename "$i")"
      makeWrapper $i $out/bin/$name \
        --prefix AWKLIBPATH : "${gawk}/lib/gawk:''${AWKLIBPATH:-}"
    done
  ''