use qt6 cantata fork

package pulled from nixpkgs issue

modules/overlay-pkgs/cantata/cantata-projectid.diff

@@ -0,0 +1,41 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 11fd7d06..5892d19f 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -10,8 +10,8 @@ project(
+ 
+ #  NOTE: If PROJECT_URL, or PROJECT_REV_URL, are changed, then cantata-dynamic, README, and
+ #        dbus/mpd.cantata.xml will need renaming/updating.
+-set(PROJECT_ID "Cantata.cantata.unix.dog")
+-set(PROJECT_REV_ID "dog.unix.cantata.Cantata")
++set(PROJECT_ID "cantata.mpd")
++set(PROJECT_REV_ID "mpd.cantata")
+ set(EXECUTABLE_NAME "cantata")
+ 
+ message(STATUS "Configuring ${PROJECT_NAME} v${PROJECT_VERSION}")
+diff --git a/cantata.desktop.cmake b/cantata.desktop.cmake
+index b6c63f86..72f541e8 100644
+--- a/cantata.desktop.cmake
++++ b/cantata.desktop.cmake
+@@ -29,7 +29,7 @@ GenericName[sq]=Clienti player muzike
+ GenericName[tr]=Muzik Çalıcı İstemcisi
+ 
+ 
+-Icon=@PROJECT_REV_ID@
++Icon=cantata
+ Exec=@EXECUTABLE_NAME@
+ Terminal=false
+ 
+diff --git a/gui/trayitem.cpp b/gui/trayitem.cpp
+index 8514ba00..2ca34468 100644
+--- a/gui/trayitem.cpp
++++ b/gui/trayitem.cpp
+@@ -145,7 +145,7 @@ void TrayItem::setup()
+ 	QIcon icon;
+ 	icon.addFile(CANTATA_SYS_ICONS_DIR + PROJECT_REV_ID ".png");
+ #else
+-	QIcon icon = QIcon::fromTheme(Utils::Gnome == Utils::currentDe() ? PROJECT_REV_ID "-symbolic" : PROJECT_REV_ID);
++	QIcon icon = QIcon::fromTheme(Utils::Gnome == Utils::currentDe() ? "cantata-symbolic" : "cantata");
+ 	// Bug: 660 If installed to non-standard folder, QIcon::fromTheme does not seem to find icon. Therefore
+ 	// add icon files here...
+ 	if (icon.isNull()) {

modules/overlay-pkgs/cantata/default.nix

@@ -0,0 +1,133 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, cmake
+, pkg-config
+, qtbase
+, qtsvg
+, qttools
+, qtwayland
+, wrapQtAppsHook
+, perl
+
+  # Cantata doesn't build with cdparanoia enabled so we disable that
+  # default for now until I (or someone else) figure it out.
+, withCdda ? false
+, cdparanoia
+, withCddb ? false
+, libcddb
+, withLame ? false
+, lame
+, withMusicbrainz ? false
+, libmusicbrainz5
+
+, withTaglib ? true
+, taglib
+, taglib_extras
+, withHttpStream ? true
+, qtmultimedia
+, gst_all_1
+, withReplaygain ? true
+, ffmpeg
+, speex
+, mpg123
+, withMtp ? true
+, libmtp
+, withOnlineServices ? true
+, withDevices ? true
+, udisks2
+, withDynamic ? true
+, withHttpServer ? true
+, withLibVlc ? false #true
+, libvlc
+, withStreams ? true
+}:
+
+# Inter-dependencies.
+assert withCddb -> withCdda && withTaglib;
+assert withCdda -> withCddb && withMusicbrainz;
+assert withLame -> withCdda && withTaglib;
+assert withMtp -> withTaglib;
+assert withMusicbrainz -> withCdda && withTaglib;
+assert withOnlineServices -> withTaglib;
+assert withReplaygain -> withTaglib;
+assert withLibVlc -> withHttpStream;
+
+let
+  fstat = x: fn:
+    "-DENABLE_${fn}=${if x then "ON" else "OFF"}";
+
+  withUdisks = (withTaglib && withDevices);
+
+  gst = with gst_all_1; [ gstreamer gst-libav gst-plugins-base gst-plugins-good gst-plugins-bad ];
+
+  options = [
+    { names = [ "CDDB" ]; enable = withCddb; pkgs = [ libcddb ]; }
+    { names = [ "CDPARANOIA" ]; enable = withCdda; pkgs = [ cdparanoia ]; }
+    { names = [ "DEVICES_SUPPORT" ]; enable = withDevices; pkgs = [ ]; }
+    { names = [ "DYNAMIC" ]; enable = withDynamic; pkgs = [ ]; }
+    { names = [ "FFMPEG" "MPG123" "SPEEXDSP" ]; enable = withReplaygain; pkgs = [ ffmpeg speex mpg123 ]; }
+    { names = [ "HTTPS_SUPPORT" ]; enable = true; pkgs = [ ]; }
+    { names = [ "HTTP_SERVER" ]; enable = withHttpServer; pkgs = [ ]; }
+    { names = [ "HTTP_STREAM_PLAYBACK" ]; enable = withHttpStream; pkgs = [ qtmultimedia ]; }
+    { names = [ "LAME" ]; enable = withLame; pkgs = [ lame ]; }
+    { names = [ "LIBVLC" ]; enable = withLibVlc; pkgs = [ libvlc ]; }
+    { names = [ "MTP" ]; enable = withMtp; pkgs = [ libmtp ]; }
+    { names = [ "MUSICBRAINZ" ]; enable = withMusicbrainz; pkgs = [ libmusicbrainz5 ]; }
+    { names = [ "ONLINE_SERVICES" ]; enable = withOnlineServices; pkgs = [ ]; }
+    { names = [ "STREAMS" ]; enable = withStreams; pkgs = [ ]; }
+    { names = [ "TAGLIB" "TAGLIB_EXTRAS" ]; enable = withTaglib; pkgs = [ taglib taglib_extras ]; }
+    { names = [ "UDISKS2" ]; enable = withUdisks; pkgs = [ udisks2 ]; }
+  ];
+
+in
+stdenv.mkDerivation rec {
+  pname = "cantata";
+  version = "3.2.1";
+
+  src = fetchFromGitHub {
+    owner = "nullobsi";
+    repo = "cantata";
+    rev = "1ced66aaf82dad2137c01e887a88c10a4269467e";
+    sha256 = "NLHkX9kZeb0ED48I6qOajj2/e9rsGbtLX9+BSzG00tI=";
+  };
+
+  patches = [
+    # Cantata wants to check if perl is in the PATH at runtime, but we
+    # patchShebangs the playlists scripts, making that unnecessary (perl will
+    # always be available because it's a dependency)
+    ./dont-check-for-perl-in-PATH.diff
+    ./cantata-projectid.diff
+  ];
+
+  postPatch = ''
+    patchShebangs playlists
+  '';
+
+  buildInputs = [
+    qtbase
+    qtsvg
+    qtwayland
+    (perl.withPackages (ppkgs: with ppkgs; [ URI ]))
+  ]
+  ++ lib.flatten (builtins.catAttrs "pkgs" (builtins.filter (e: e.enable) options));
+
+  nativeBuildInputs = [ cmake pkg-config qttools wrapQtAppsHook ];
+
+  cmakeFlags = lib.flatten (map (e: map (f: fstat e.enable f) e.names) options);
+
+  qtWrapperArgs = lib.optionals (withHttpStream && !withLibVlc) [
+    "--prefix GST_PLUGIN_PATH : ${lib.makeSearchPathOutput "lib" "lib/gstreamer-1.0" gst}"
+  ];
+
+  meta = with lib; {
+    description = "Graphical client for MPD";
+    mainProgram = "cantata";
+    homepage = "https://github.com/cdrummond/cantata";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ peterhoeg ];
+    # Technically, Cantata runs on Darwin/Windows so if someone wants to
+    # bother figuring that one out, be my guest.
+    platforms = platforms.linux;
+  };
+}

modules/overlay-pkgs/cantata/dont-check-for-perl-in-PATH.diff

@@ -0,0 +1,16 @@
+diff --git a/playlists/dynamicplaylists.cpp b/playlists/dynamicplaylists.cpp
+index b85e93b5..3c29f775 100644
+--- a/playlists/dynamicplaylists.cpp
++++ b/playlists/dynamicplaylists.cpp
+@@ -205,11 +205,6 @@ void DynamicPlaylists::start(const QString& name)
+ 		return;
+ 	}
+ 
+-	if (Utils::findExe("perl").isEmpty()) {
+-		emit error(tr("You need to install \"perl\" on your system in order for Cantata's dynamic mode to function."));
+-		return;
+-	}
+-
+ 	QString fName(Utils::dataDir(rulesDir, false) + name + constExtension);
+ 
+ 	if (!QFile::exists(fName)) {

modules/overlay-pkgs/default.nix

@@ -1,10 +1,11 @@
-{ inputs, ... }: {
+{ inputs, pkgs, ... }: {
   nixpkgs.overlays = [
     inputs.nur.overlay
 
     (final: prev: {
       kwrite = final.kdePackages.callPackage ./kwrite.nix {};
       mcontrolcenter = final.callPackage ./mcontrolcenter.nix {};
+      cantata = final.qt6Packages.callPackage ./cantata {};
     })
   ];
 }