Add diva demo

pkgs/default.nix

@@ -79,6 +79,8 @@ final: prev:
 
   decentsampler = prev.callPackage ./decentsampler {};
 
+  uhe-diva = prev.callPackage ./diva {};
+
   #cardinal = prev.callPackage ./cardinal {};
 
   # Originally from Mats Rauhala ®2018

pkgs/diva/default.nix

@@ -0,0 +1,47 @@
+{ lib
+, stdenv
+, autoPatchelfHook
+, glib
+}:
+
+stdenv.mkDerivation {
+  pname = "diva";
+  version = "1.4.5";
+
+  src = fetchTarball {
+    url = "https://dl.u-he.com/releases/Diva_145_12092_Linux.tar.xz";
+    sha256 = "0wfwx3z80xbshl0d280d48fk1b0li992s5fv7rmlpd05gmfs6c84";
+  };
+
+  nativeBuildInputs = [
+    autoPatchelfHook
+  ];
+
+  buildInputs = [
+    glib
+  ];
+
+  patchPhase = ''
+    patchShebangs --build .
+    # Set dest dirs with sed, as all are not configurable
+    sed -i 's+HOME/\.+out/+' install.sh
+    sed -i 's+DIALOG=$PRODUCT/dialog+DIALOG=echo+' install.sh
+    # Remove cruft
+    rm Diva/dialog.64
+  '';
+
+  #buildPhase = ''
+  #'';
+
+  installPhase = ''
+    ./install.sh --quiet --with-clap --without-32
+  '';
+
+  meta = with lib; {
+    description = "Dinosaur Impersonating Virtual Analogue synthesizer";
+    homepage = "https://u-he.com/products/diva/";
+    license = licenses.unfree;
+    platforms = [ "x86_64-linux" ];
+    maintainers = with maintainers; [ jpotier ];
+  };
+}