Move systemd configuration to module

flake.nix

@@ -68,12 +68,10 @@
               preConfigure = ''
                 substituteInPlace CMakeLists.txt \
                   --replace "/usr/include/libevdev-1.0" "${pkgs.libevdev}/include/libevdev-1.0" \
-                  --replace "/etc/udev/rules.d" "$out/etc/udev/rules.d" \
-                  --replace "/usr/bin" "$out/bin" \
-                  --replace "/usr/lib/systemd/user" "$out/lib/systemd/user"
               '';
 
               postInstall = ''
+                rm -r $out/lib/systemd              
                 wrapProgram $out/bin/sunshine --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath (with pkgs; [ avahi mesa libGL ])}"
               '';
             };
@@ -121,6 +119,14 @@
               source = "${sunshine}/bin/sunshine";
             };
 
+            systemd.user.services.sunshine = {
+              description = "Sunshine is a Gamestream host for Moonlight";
+
+              serviceConfig.ExecStart = "${sunshine}/bin/sunshine";
+
+              wantedBy = [ "graphical-session.target" ];
+            };
+
             networking.firewall = mkIf cfg.openFirewall {
               allowedTCPPorts = [
                 48010