{ lib
, stdenv
, fetchFromGitHub
, meson
, ninja
, pkg-config
, scdoc
, wayland
, wayland-protocols
, wayland-scanner
, libxkbcommon
, cairo
, gdk-pixbuf
, pam
}:

stdenv.mkDerivation rec {
  pname = "swaylock-effects";
  version = "unstable-2021-10-21";

  src = fetchFromGitHub {
    owner = "mortie";
    repo = "swaylock-effects";
    rev = "a8fc557b86e70f2f7a30ca9ff9b3124f89e7f204";
    sha256 = "sha256-GN+cxzC11Dk1nN9wVWIyv+rCrg4yaHnCePRYS1c4JTk=";
  };

  postPatch = ''
    sed -iE "s/version: '1\.3',/version: '${version}',/" meson.build
  '';

  strictDeps = true;
  nativeBuildInputs = [ meson ninja pkg-config scdoc wayland-scanner];
  buildInputs = [ wayland wayland-protocols libxkbcommon cairo gdk-pixbuf pam ];

  mesonFlags = [
    "-Dpam=enabled"
    "-Dgdk-pixbuf=enabled"
    "-Dman-pages=enabled"
  ];

  meta = with lib; {
    description = "Screen locker for Wayland";
    longDescription = ''
      Swaylock, with fancy effects
    '';
    mainProgram = "swaylock";
    inherit (src.meta) homepage;
    license = licenses.mit;
    platforms = platforms.linux;
    maintainers = with maintainers; [ gnxlxnxx ma27 ];
  };
}