{ lib, stdenv, fetchFromGitHub, meson, ninja, pkg-config, tesseract, vapoursynth }:

stdenv.mkDerivation rec {
  pname = "vs-ocr";
  version = "unstable-2021-09-26";

  src = fetchFromGitHub {
    owner = "vapoursynth";
    repo = pname;
    rev = "b5dd7749a2f0694840d287f0bf4d42ce5323a8cf";
    sha256 = "sha256-N2+S4YRMzjpFdRnCXGgvxU1rUKIjmHe7ylzBrB4CPL8=";
  };

  nativeBuildInputs = [ meson ninja pkg-config ];
  buildInputs = [ tesseract vapoursynth ];

  postPatch = ''
    substituteInPlace meson.build \
        --replace "vapoursynth_dep.get_pkgconfig_variable('libdir')" "get_option('libdir')"
  '';

  meta = with lib; {
    description = "OCR plugin for VapourSynth";
    homepage = "https://github.com/vapoursynth/vs-ocr";
    license = licenses.mit;
    maintainers = with maintainers; [ sbruder ];
    platforms = platforms.all;
  };
}