my-pkgs/pkgs/audiveris/default.nix

{
  lib,
  stdenv,
  fetchurl,
  dpkg,
  unzip,
  zip,
  patchelf,
  autoPatchelfHook,
  makeWrapper,
  alsa-lib,
  freetype,
  fontconfig,
  libGL,
  dejavu_fonts,
  xorg,
}:
let
  ccLib = stdenv.cc.cc.lib;
in
stdenv.mkDerivation rec {
  pname = "audiveris";
  version = "5.10.2";

  src = fetchurl {
    url = "https://github.com/Audiveris/audiveris/releases/download/${version}/Audiveris-${version}-ubuntu24.04-x86_64.deb";
    hash = "sha256-ytufr8C+IocYwvvvLoAuBHhyQRUDmHFCUbAMUeMbUZg=";
  };

  # The .deb bundles its own JRE and the Tesseract/Leptonica native libs (via
  # JavaCPP); we only supply the GUI/system runtime libs those binaries load.
  nativeBuildInputs = [
    dpkg
    unzip
    zip
    patchelf
    autoPatchelfHook
    makeWrapper
  ];

  buildInputs = [
    ccLib
    alsa-lib
    freetype
    fontconfig
    libGL
    dejavu_fonts
    xorg.libX11
    xorg.libXext
    xorg.libXrender
    xorg.libXtst
    xorg.libXi
  ];

  dontBuild = true;

  unpackPhase = ''
    runHook preUnpack
    dpkg-deb -x $src .
    runHook postUnpack
  '';

  installPhase = ''
        runHook preInstall

        mkdir -p $out/opt $out/bin
        cp -r opt/audiveris $out/opt/

        # Java AWT initializes its font subsystem (and fontconfig) even in batch
        # mode, so ship a fontconfig file pointing at a bundled font. Without this,
        # the JVM dies with "Fontconfig head is null".
        mkdir -p $out/etc/fonts
        cat > $out/etc/fonts/fonts.conf <<'CONF'
    <?xml version="1.0"?>
    <!DOCTYPE fontconfig SYSTEM "fonts.dtd">
    <fontconfig>
      <dir>@dejavu@/share/fonts/truetype</dir>
      <dir>/usr/share/fonts</dir>
      <cachedir>~/.cache/fontconfig</cachedir>
    </fontconfig>
    CONF
        substituteInPlace $out/etc/fonts/fonts.conf \
          --replace-fail "@dejavu@" "${dejavu_fonts}"

        # The jpackage launcher derives its layout from its own path, so relocating
        # /opt/audiveris -> $out/opt/audiveris needs no path rewriting. The bundled
        # JRE dlopens libfontconfig/libfreetype at runtime (not a NEEDED dep), so we
        # put the runtime libs on the loader path.
        makeWrapper $out/opt/audiveris/bin/Audiveris $out/bin/audiveris \
          --set FONTCONFIG_FILE "$out/etc/fonts/fonts.conf" \
          --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath buildInputs}"

        # Desktop integration with relocated paths (source .desktop ships in the deb).
        mkdir -p $out/share/applications $out/share/icons/hicolor/256x256/apps
        cp $out/opt/audiveris/lib/Audiveris.png \
           $out/share/icons/hicolor/256x256/apps/audiveris.png
        substitute $out/opt/audiveris/lib/audiveris-Audiveris.desktop \
          $out/share/applications/audiveris.desktop \
          --replace-fail "/opt/audiveris/bin/Audiveris" "$out/bin/audiveris" \
          --replace-fail "/opt/audiveris/lib/Audiveris.png" \
            "$out/share/icons/hicolor/256x256/apps/audiveris.png"

        runHook postInstall
  '';

  # Tesseract/Leptonica native libs are zipped inside JavaCPP platform jars and
  # extracted by JavaCPP at runtime, so autoPatchelfHook cannot reach them. We
  # pull them out, bake an RPATH to libstdc++/libgcc_s, and repack the jars.
  postInstall = ''
    repack_jar() {
      local jar="$1"
      local tmp
      tmp="$(mktemp -d)"
      ( cd "$tmp" && unzip -o "$jar" >/dev/null )
      find "$tmp" -name '*.so*' -type f -print0 \
        | xargs -0 -r ${patchelf}/bin/patchelf --add-rpath ${ccLib}/lib 2>/dev/null || true
      ( cd "$tmp" && zip -r -X "$jar" . >/dev/null )
      rm -rf "$tmp"
    }
    for j in \
      $out/opt/audiveris/lib/app/tesseract-5.5.1-1.5.12-linux-x86_64.jar \
      $out/opt/audiveris/lib/app/leptonica-1.85.0-1.5.12-linux-x86_64.jar; do
      repack_jar "$j"
    done
  '';

  meta = {
    description = "Open-source Optical Music Recognition (OMR) engine and editor";
    homepage = "https://github.com/Audiveris/audiveris";
    license = lib.licenses.agpl3Only;
    mainProgram = "audiveris";
    platforms = [ "x86_64-linux" ];
  };
}