core/pkgs/common-updater/scripts.nix

{ lib, stdenv, makeWrapper, coreutils, diffutils, git, gnugrep, gnused, jq, nix
, python3Packages }:

stdenv.mkDerivation {
  name = "common-updater-scripts";

  nativeBuildInputs = [ makeWrapper python3Packages.wrapPython ];

  pythonPath = [ python3Packages.beautifulsoup4 python3Packages.requests ];

  dontUnpack = true;

  installPhase = ''
    mkdir -p $out/bin
    cp ${./scripts}/* $out/bin

    # wrap non python scripts
    for f in $out/bin/*; do
      if ! (head -n1 "$f" | grep -q '#!.*/env.*\(python\|pypy\)'); then
        wrapProgram $f --prefix PATH : ${
          lib.makeBinPath [ coreutils diffutils git gnugrep gnused jq nix ]
        }
      fi
    done

    # wrap python scripts
    makeWrapperArgs+=( --prefix PATH : "${lib.makeBinPath [ nix ]}" )
    wrapPythonPrograms
  '';
}