cdemu-daemon: add meta.mainProgram

pkgs/applications/emulators/cdemu/daemon.nix

@@ -1,11 +1,14 @@
 { stdenv, callPackage, cmake, pkg-config, glib, libao, intltool, libmirage, coreutils }:
-stdenv.mkDerivation {
 
+let
   inherit (callPackage ./common-drv-attrs.nix {
     version = "3.2.7";
     pname = "cdemu-daemon";
     hash = "sha256-EKh2G6RA9Yq46BpTAqN2s6TpLJb8gwDuEpGiwdGcelc=";
   }) pname version src meta;
+in
+stdenv.mkDerivation {
+  inherit pname version src;
 
   nativeBuildInputs = [ cmake pkg-config intltool ];
   buildInputs = [ glib libao libmirage ];
@@ -17,4 +20,16 @@ stdenv.mkDerivation {
       $out/share/dbus-1/services/net.sf.cdemu.CDEmuDaemon.service \
       --replace /bin/true ${coreutils}/bin/true
   '';
+
+  meta = {
+    inherit (meta)
+      description
+      license
+      longDescription
+      maintainers
+      platforms
+      ;
+    homepage = "https://cdemu.sourceforge.io/about/daemon/";
+    mainProgram = "cdemu-daemon";
+  };
 }