default.nix

with import <nixpkgs> {};

stdenv.mkDerivation rec {
  name = "ly";
  version = "0.5.2";

  src = fetchFromGitHub {
    owner = "keidax";
    repo = "ly";
    rev = "HEAD";
    sha256 = "19ql6j2wqw8jh5a7cxxb474gp1jw00d532g0snx2jbf06cs7ja74";
    fetchSubmodules = true;
  };

  buildInputs = [ pkgs.linux-pam pkgs.xorg.libxcb pkgs.systemd ];
  makeFlags = [
    "DESTDIR=$(out)"
  ];

  postInstall = ''
    mkdir $out/bin
    mv $out/usr/bin/ly $out/bin

    mkdir -p $out/lib/systemd/system
    substitute $out/usr/lib/systemd/system/ly.service \
               $out/lib/systemd/system/ly.service \
               --replace /usr/bin/ly $out/bin/ly
  '';
}