{ lib, stdenvNoCC, fetchFromGitHub, fetchpatch, python3 }:

# Usage: `pkgs.mpv.override { scripts = [ pkgs.mpvScripts.sponsorblock ]; }`
stdenvNoCC.mkDerivation {
  pname = "mpv_sponsorblock";
  version = "unstable-2020-07-05";

  src = fetchFromGitHub {
    owner = "po5";
    repo = "mpv_sponsorblock";
    rev = "f71e49e0531350339134502e095721fdc66eac20";
    sha256 = "1fr4cagzs26ygxyk8dxqvjw4n85fzv6is6cb1jhr2qnsjg6pa0p8";
  };

  dontBuild = true;

  patches = [
    # Use XDG_DATA_HOME and XDG_CACHE_HOME if defined for UID and DB
    # Necessary to avoid sponsorblock to write in the nix store at runtime.
    # https://github.com/po5/mpv_sponsorblock/pull/17
    (fetchpatch {
      url = "https://github.com/po5/mpv_sponsorblock/pull/17/commits/e65b360a7d03a3430b4829e457a6670b2f617b09.patch";
      sha256 = "00wv0pvbz0dz2ibka66zhl2jk0pil4pyv6ipjfz37i81q6szyhs5";
    })
    (fetchpatch {
      url = "https://github.com/po5/mpv_sponsorblock/pull/17/commits/3832304d959205e99120a14c0560ed3c37104b08.patch";
      sha256 = "149ffvn714n2m3mqs8mgrbs24bcr74kqfkx7wyql36ndhm88xd2z";
    })
  ];

  postPatch = ''
    substituteInPlace sponsorblock.lua \
      --replace "python3" "${python3}/bin/python3" \
      --replace 'mp.find_config_file("scripts")' "\"$out/share/mpv/scripts\""
  '';

  installPhase = ''
    mkdir -p $out/share/mpv/scripts
    cp -r sponsorblock.lua sponsorblock_shared $out/share/mpv/scripts/
  '';

  passthru.scriptName = "sponsorblock.lua";

  meta = with lib; {
    description = "mpv script to skip sponsored segments of YouTube videos";
    homepage = "https://github.com/po5/mpv_sponsorblock";
    license = licenses.gpl3;
    platforms = platforms.all;
    maintainers = with maintainers; [ pacien ];
  };
}