chore(Makefile): update systemd-sysext build with new gamescope-sessi…

…on dependency

Makefile

@@ -297,7 +297,7 @@ dist/update.zip: build/metadata.json
 # https://blogs.igalia.com/berto/2022/09/13/adding-software-to-the-steam-deck-with-systemd-sysext/
 .PHONY: dist-ext
 dist-ext: dist/opengamepadui.raw ## Create a systemd-sysext extension archive
-dist/opengamepadui.raw: dist/opengamepadui.tar.gz $(CACHE_DIR)/opengamepadui-session.tar.gz $(CACHE_DIR)/RyzenAdj/build/ryzenadj
+dist/opengamepadui.raw: dist/opengamepadui.tar.gz $(CACHE_DIR)/gamescope-session $(CACHE_DIR)/opengamepadui-session.tar.gz $(CACHE_DIR)/RyzenAdj/build/ryzenadj
 	@echo "Building redistributable systemd extension"
 	mkdir -p dist
 	rm -rf dist/opengamepadui.raw $(CACHE_DIR)/opengamepadui.raw
@@ -307,6 +307,10 @@ dist/opengamepadui.raw: dist/opengamepadui.tar.gz $(CACHE_DIR)/opengamepadui-ses
 	echo ID=$(SYSEXT_ID) > $(CACHE_DIR)/opengamepadui/usr/lib/extension-release.d/extension-release.opengamepadui
 	echo VERSION_ID=$(SYSEXT_VERSION_ID) >> $(CACHE_DIR)/opengamepadui/usr/lib/extension-release.d/extension-release.opengamepadui
 
+	@# Copy gamescope-session into the extension
+	cd $(CACHE_DIR) && tar xvfz gamescope-session.tar.gz
+	cp -r $(CACHE_DIR)/gamescope-session-main/usr/* $(CACHE_DIR)/opengamepadui/usr
+
 	@# Copy opengamepadui-session into the extension
 	cd $(CACHE_DIR) && tar xvfz opengamepadui-session.tar.gz
 	cp -r $(CACHE_DIR)/OpenGamepadUI-session-main/usr/* $(CACHE_DIR)/opengamepadui/usr
@@ -330,6 +334,10 @@ $(CACHE_DIR)/RyzenAdj/build/ryzenadj:
 	cd $(CACHE_DIR)/RyzenAdj/build && cmake -DCMAKE_BUILD_TYPE=Release .. && make
 
 
+$(CACHE_DIR)/gamescope-session.tar.gz:
+	wget -O $@ https://github.com/ChimeraOS/gamescope-session/archive/refs/heads/main.tar.gz
+
+
 $(CACHE_DIR)/opengamepadui-session.tar.gz:
 	wget -O $@ https://github.com/ShadowBlip/OpenGamepadUI-session/archive/refs/heads/main.tar.gz