2 files changed, 165 insertions, 2 deletions

diff --git a/nixops/modules/mpd/default.nix b/nixops/modules/mpd/default.nix
index d59a34c..9e1715b 100644
--- a/nixops/modules/mpd/default.nix
+++ b/nixops/modules/mpd/default.nix
@@ -1,20 +1,31 @@
 { lib, pkgs, config, myconfig, mylibs, ... }:
 {
   config = {
+    nixpkgs.overlays = [ (self: super: rec {
+      mpd = (self.callPackage ./mpd.nix {}).mpd;
+    }) ];
     deployment.keys = {
       mpd = {
         permissions = "0400";
         text = myconfig.env.mpd.password;
       };
+      mpd-config = {
+        permissions = "0400";
+        user = "mpd";
+        group = "mpd";
+        text = ''
+          password "${myconfig.env.mpd.password}@read,add,control,admin"
+        '';
+      };
     };
     networking.firewall.allowedTCPPorts = [ 6600 ];
-    users.users.mpd.extraGroups = [ "wwwrun" ];
+    users.users.mpd.extraGroups = [ "wwwrun" "keys" ];
     services.mpd = {
       enable = true;
       network.listenAddress = "any";
       musicDirectory = myconfig.env.mpd.folder;
       extraConfig = ''
-        password "${myconfig.env.mpd.password}@read,add,control,admin"
+        include "/run/keys/mpd-config"
         audio_output {
           type            "null"
           name            "No Output"
diff --git a/nixops/modules/mpd/mpd.nix b/nixops/modules/mpd/mpd.nix
new file mode 100644
index 0000000..f19a76f
--- /dev/null
+++ b/nixops/modules/mpd/mpd.nix
@@ -0,0 +1,152 @@
+{ stdenv, fetchFromGitHub, meson, ninja, pkgconfig, glib, systemd, boost, darwin
+# Inputs
+, curl, libmms, libnfs, samba
+# Archive support
+, bzip2, zziplib
+# Codecs
+, audiofile, faad2, ffmpeg, flac, fluidsynth, game-music-emu
+, libmad, libmikmod, mpg123, libopus, libvorbis, lame
+# Filters
+, libsamplerate
+# Outputs
+, alsaLib, libjack2, libpulseaudio, libshout
+# Misc
+, icu, sqlite, avahi, dbus, pcre, libgcrypt, expat
+# Services
+, yajl
+# Client support
+, mpd_clientlib
+# Tag support
+, libid3tag
+}:
+
+let
+  major = "0.21";
+  minor = "7";
+
+  lib = stdenv.lib;
+  mkDisable = f: "-D${f}=disabled";
+  mkEnable = f: "-D${f}=enabled";
+  keys = lib.mapAttrsToList (k: v: k);
+
+  featureDependencies = {
+    # Storage plugins
+    udisks        = [ dbus ];
+    webdav        = [ curl expat ];
+    # Input plugins
+    curl          = [ curl ];
+    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 ];
+    # Output plugins
+    alsa          = [ alsaLib ];
+    jack          = [ libjack2 ];
+    pulse         = [ libpulseaudio ];
+    shout         = [ libshout ];
+    # Commercial services
+    qobuz         = [ curl libgcrypt yajl ];
+    soundcloud    = [ curl yajl ];
+    tidal         = [ curl yajl ];
+    # Client support
+    libmpdclient  = [ mpd_clientlib ];
+    # Tag support
+    id3tag        = [ libid3tag ];
+    # Misc
+    dbus          = [ dbus ];
+    expat         = [ expat ];
+    icu           = [ icu ];
+    pcre          = [ pcre ];
+    sqlite        = [ sqlite ];
+    systemd       = [ systemd ];
+    yajl          = [ yajl ];
+    zeroconf      = [ avahi dbus ];
+  };
+
+  run = { features ? null }:
+    let
+      fl = if (features == null )
+        then keys featureDependencies
+        else features;
+
+      # 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.isDarwin [ "mad" "pulse" "jack" "nfs" "smb" ]
+                  ++ lib.optionals (!stdenv.isLinux) [ "alsa" "systemd" ];
+      features_ = lib.subtractLists platformMask fl;
+
+    in stdenv.mkDerivation rec {
+      name = "mpd-${version}";
+      version = "${major}${if minor == "" then "" else "." + minor}";
+
+      src = fetchFromGitHub {
+        owner  = "MusicPlayerDaemon";
+        repo   = "MPD";
+        rev    = "v${version}";
+        sha256 = "11zi8hmlj63ngzl06vzx05669k20j4cdsp0caz4p4ayn46fd4m17";
+      };
+
+      buildInputs = [ glib boost ]
+        ++ (lib.concatLists (lib.attrVals features_ featureDependencies))
+        ++ lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.AudioToolbox;
+
+      nativeBuildInputs = [ meson ninja pkgconfig ];
+
+      enableParallelBuilding = true;
+
+      mesonFlags =
+        map mkEnable features_ ++ map mkDisable (lib.subtractLists features_ (keys featureDependencies))
+        ++ [ "-Dsyslog=enabled" ]
+        ++ lib.optional (lib.any (x: x == "zeroconf") features_)
+          "-Dzeroconf=avahi"
+        ++ lib.optional stdenv.isLinux
+          "-Dsystemd_system_unit_dir=etc/systemd/system";
+
+      meta = with stdenv.lib; {
+        description = "A flexible, powerful daemon for playing music";
+        homepage    = http://mpd.wikia.com/wiki/Music_Player_Daemon_Wiki;
+        license     = licenses.gpl2;
+        maintainers = with maintainers; [ astsmtl fuuzetsu ehmry fpletz ];
+        platforms   = platforms.unix;
+
+        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" "nfs" "bzip2" "zzip"
+    "audiofile" "faad" "flac" "gme" "mad"
+    "mpg123" "opus" "vorbis"
+    "vorbisenc" "lame" "libsamplerate"
+    "alsa" "shout" "libmpdclient"
+    "id3tag" "expat" "pcre" "yajl" "sqlite"
+    "soundcloud" "qobuz" "tidal"
+    "systemd"
+  ]; };
+}