esy.nix

{ pkgs ? import <nixpkgs> {} }:

with pkgs;

let
  esy-solve-cudf = stdenv.mkDerivation rec {
    name = "esy-solve-cudf-${version}";
    version = "0.1.10";

    src = fetchurl {
      url = "https://registry.npmjs.org/esy-solve-cudf/-/esy-solve-cudf-${version}.tgz";
      sha256 = "3cfb233e5536fe555ff1318bcff241481c8dcbe1edc30b5f97e2366134d3f234";
    };

    # Running patchelf here for a "clean" subpackage causes double patchelf
    # application when the binary is installed in for the esy package, which
    # fails.

    installPhase = ''
      install -D platform-linux/esySolveCudfCommand.exe $out/bin/esySolveCudfCommand.exe
      install -D package.json $out/package.json
    '';
  };
in

stdenv.mkDerivation rec {
  name = "esy-${version}";
  version = "0.6.4";

  src = fetchurl {
    url = "https://registry.npmjs.org/esy/-/esy-${version}.tgz";
    sha256 = "e8053b9bb797c604785cfad69b05d72a5728ca06420c8cc0f490d1b7cb022255";
  };

  nativeBuildInputs = [
    autoPatchelfHook
    stdenv.cc.cc
  ];

  installPhase = ''
    install -D -m 644 package.json $out/lib/esy/package.json
    install -D platform-linux/_build/default/bin/esy.exe $out/lib/esy/_build/default/bin/esy.exe
    install -D platform-linux/_build/default/bin/esyInstallRelease.js $out/lib/esy/_build/default/bin/esyInstallRelease.js
    install -D platform-linux/_build/default/esy-build-package/bin/esyBuildPackageCommand.exe $out/lib/esy/_build/default/esy-build-package/bin/esyBuildPackageCommand.exe
    install -D platform-linux/_build/default/esy-build-package/bin/esyRewritePrefixCommand.exe $out/lib/esy/_build/default/esy-build-package/bin/esyRewritePrefixCommand.exe            install -D ${esy-solve-cudf}/package.json $out/lib/esy/node_modules/esy-solve-cudf/package.json
    install -D ${esy-solve-cudf}/bin/esySolveCudfCommand.exe $out/lib/esy/node_modules/esy-solve-cudf/esySolveCudfCommand.exe
    mkdir -p $out/bin
    ln -s $out/lib/esy/_build/default/bin/esy.exe $out/bin/esy
  '';
}