depot/pkgs/servers/mpd/default.nix

{
  lib,
  stdenv,
  fetchFromGitHub,
  meson,
  ninja,
  pkg-config,
  glib,
  systemd,
  boost,
  fmt,
  buildPackages,
  # Darwin inputs
  AudioToolbox,
  AudioUnit,
  # Inputs
  curl,
  libcdio,
  libcdio-paranoia,
  libmms,
  libnfs,
  liburing,
  samba,
  # Archive support
  bzip2,
  zziplib,
  # Codecs
  audiofile,
  faad2,
  ffmpeg,
  flac,
  fluidsynth,
  game-music-emu,
  libmad,
  libmikmod,
  mpg123,
  libopus,
  libvorbis,
  lame,
  # Filters
  libsamplerate,
  soxr,
  # Outputs
  alsa-lib,
  libjack2,
  libpulseaudio,
  libshout,
  pipewire,
  # Misc
  icu,
  sqlite,
  avahi,
  dbus,
  pcre2,
  libgcrypt,
  expat,
  # Services
  yajl,
  # Client support
  libmpdclient,
  # Tag support
  libid3tag,
  nixosTests,
  # For documentation
  doxygen,
  python3Packages, # for sphinx-build
  # For tests
  gtest,
  zip,
}:

let
  concatAttrVals = nameList: set: lib.concatMap (x: set.${x} or [ ]) nameList;

  featureDependencies = {
    # Storage plugins
    udisks = [ dbus ];
    webdav = [
      curl
      expat
    ];
    # Input plugins
    cdio_paranoia = [
      libcdio
      libcdio-paranoia
    ];
    curl = [ curl ];
    io_uring = [ liburing ];
    mms = [ libmms ];
    nfs = [ libnfs ];
    smbclient = [ samba ];
    # Archive support
    bzip2 = [ bzip2 ];
    zzip = [ zziplib ];
    # Decoder plugins
    audiofile = [ audiofile ];
    faad = [ faad2 ];
    ffmpeg = [ ffmpeg ];
    flac = [ flac ];
    fluidsynth = [ fluidsynth ];
    gme = [ game-music-emu ];
    mad = [ libmad ];
    mikmod = [ libmikmod ];
    mpg123 = [ mpg123 ];
    opus = [ libopus ];
    vorbis = [ libvorbis ];
    # Encoder plugins
    vorbisenc = [ libvorbis ];
    lame = [ lame ];
    # Filter plugins
    libsamplerate = [ libsamplerate ];
    soxr = [ soxr ];
    # Output plugins
    alsa = [ alsa-lib ];
    jack = [ libjack2 ];
    pipewire = [ pipewire ];
    pulse = [ libpulseaudio ];
    shout = [ libshout ];
    # Commercial services
    qobuz = [
      curl
      libgcrypt
      yajl
    ];
    soundcloud = [
      curl
      yajl
    ];
    # Client support
    libmpdclient = [ libmpdclient ];
    # Tag support
    id3tag = [ libid3tag ];
    # Misc
    dbus = [ dbus ];
    expat = [ expat ];
    icu = [ icu ];
    pcre = [ pcre2 ];
    sqlite = [ sqlite ];
    syslog = [ ];
    systemd = [ systemd ];
    yajl = [ yajl ];
    zeroconf = [
      avahi
      dbus
    ];
  };

  nativeFeatureDependencies = {
    documentation = [
      doxygen
      python3Packages.sphinx
    ];
  };

  run =
    {
      features ? null,
    }:
    let
      # Disable platform specific features if needed
      # using libmad to decode mp3 files on darwin is causing a segfault -- there
      # is probably a solution, but I'm disabling it for now
      platformMask =
        lib.optionals stdenv.hostPlatform.isDarwin [
          "mad"
          "pulse"
          "jack"
          "smbclient"
        ]
        ++ lib.optionals (!stdenv.hostPlatform.isLinux) [
          "alsa"
          "pipewire"
          "io_uring"
          "systemd"
          "syslog"
        ];

      knownFeatures =
        builtins.attrNames featureDependencies
        ++ builtins.attrNames nativeFeatureDependencies;
      platformFeatures = lib.subtractLists platformMask knownFeatures;

      features_ =
        if (features == null) then
          platformFeatures
        else
          let
            unknown = lib.subtractLists knownFeatures features;
          in
          if (unknown != [ ]) then
            throw "Unknown feature(s): ${lib.concatStringsSep " " unknown}"
          else
            let
              unsupported = lib.subtractLists platformFeatures features;
            in
            if (unsupported != [ ]) then
              throw "Feature(s) ${lib.concatStringsSep " " unsupported} are not supported on ${stdenv.hostPlatform.system}"
            else
              features;

    in
    stdenv.mkDerivation rec {
      pname = "mpd";
      version = "0.23.16";

      src = fetchFromGitHub {
        owner = "MusicPlayerDaemon";
        repo = "MPD";
        rev = "v${version}";
        sha256 = "sha256-0To+V+4xLjymGpRSpsyE/Une5uUpCEiAg+d041guPA0=";
      };

      buildInputs =
        [
          glib
          boost
          fmt
          # According to the configurePhase of meson, gtest is considered a
          # runtime dependency. Quoting:
          #
          #    Run-time dependency GTest found: YES 1.10.0
          gtest
        ]
        ++ concatAttrVals features_ featureDependencies
        ++ lib.optionals stdenv.hostPlatform.isDarwin [
          AudioToolbox
          AudioUnit
        ];

      nativeBuildInputs = [
        meson
        ninja
        pkg-config
      ] ++ concatAttrVals features_ nativeFeatureDependencies;

      depsBuildBuild = [ buildPackages.stdenv.cc ];

      postPatch =
        lib.optionalString
          (stdenv.hostPlatform.isDarwin && lib.versionOlder stdenv.hostPlatform.darwinSdkVersion "12.0")
          ''
            substituteInPlace src/output/plugins/OSXOutputPlugin.cxx \
              --replace kAudioObjectPropertyElement{Main,Master} \
              --replace kAudioHardwareServiceDeviceProperty_Virtual{Main,Master}Volume
          '';

      # Otherwise, the meson log says:
      #
      #    Program zip found: NO
      nativeCheckInputs = [ zip ];

      doCheck = true;

      mesonAutoFeatures = "disabled";

      outputs = [
        "out"
        "doc"
      ] ++ lib.optional (builtins.elem "documentation" features_) "man";

      CXXFLAGS = lib.optionals stdenv.hostPlatform.isDarwin [
        "-D__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES=0"
      ];

      mesonFlags =
        [
          "-Dtest=true"
          "-Dmanpages=true"
          "-Dhtml_manual=true"
        ]
        ++ map (x: "-D${x}=enabled") features_
        ++ map (x: "-D${x}=disabled") (lib.subtractLists features_ knownFeatures)
        ++ lib.optional (builtins.elem "zeroconf" features_) "-Dzeroconf=avahi"
        ++ lib.optional (builtins.elem "systemd" features_) "-Dsystemd_system_unit_dir=etc/systemd/system";

      passthru.tests.nixos = nixosTests.mpd;

      meta = with lib; {
        description = "Flexible, powerful daemon for playing music";
        homepage = "https://www.musicpd.org/";
        license = licenses.gpl2Only;
        maintainers = with maintainers; [
          astsmtl
          tobim
        ];
        platforms = platforms.unix;
        mainProgram = "mpd";

        longDescription = ''
          Music Player Daemon (MPD) is a flexible, powerful daemon for playing
          music. Through plugins and libraries it can play a variety of sound
          files while being controlled by its network protocol.
        '';
      };
    };
in
{
  mpd = run { };
  mpd-small = run {
    features =
      [
        "webdav"
        "curl"
        "mms"
        "bzip2"
        "zzip"
        "nfs"
        "audiofile"
        "faad"
        "flac"
        "gme"
        "mpg123"
        "opus"
        "vorbis"
        "vorbisenc"
        "lame"
        "libsamplerate"
        "shout"
        "libmpdclient"
        "id3tag"
        "expat"
        "pcre"
        "yajl"
        "sqlite"
        "soundcloud"
        "qobuz"
      ]
      ++ lib.optionals stdenv.hostPlatform.isLinux [
        "alsa"
        "systemd"
        "syslog"
        "io_uring"
      ]
      ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [
        "mad"
        "jack"
      ];
  };
  mpdWithFeatures = run;
}