Enable game-specific appimage builds

appimage/build.sh

@@ -27,6 +27,7 @@ download_if_needed() {
 	fi
 }
 
+main() {
 	download_if_needed appimagetool-${ARCH}.AppImage
 	download_if_needed AppRun-${ARCH}
 
@@ -41,16 +42,46 @@ cd love-prepared
 	cp ../wrapper usr/bin/wrapper-love
 	cp ../AppRun-${ARCH} AppRun
 
+	local desktopfile="love.desktop"
+	local icon="love"
+	local target="love-${VERSION}"
+
+	if test -f ../../game.desktop.in; then
+		desktopfile="game.desktop"
+		cp ../../game.desktop.in .
+	fi
+	if test -f ../../game.svg; then
+		icon="game"
+		cp ../../game.svg .
+	fi
+	if test -f ../../game.love; then
+		target="game"
+		cat usr/bin/love ../../game.love > usr/bin/love-fused
+		mv usr/bin/love-fused usr/bin/love
+		chmod +x usr/bin/love
+	fi
+
 	# Add our desktop file
-sed -e 's/%BINARY%/wrapper-love/' -e 's/%ICON%/love/' love.desktop.in > love.desktop
+	sed -e 's/%BINARY%/wrapper-love/' -e "s/%ICON%/${icon}/" "${desktopfile}.in" > "$desktopfile"
-rm love.desktop.in
+	rm "${desktopfile}.in"
 
 	# Add a DirIcon
-cp love.svg .DirIcon
+	cp "${icon}.svg" .DirIcon
+
+	# Clean up
+	if test -f ../../game.desktop.in; then
+		rm love.desktop.in
+	fi
+	if test -f ../../game.svg; then
+		rm love.svg
+	fi
 
 	# Now build the final AppImage
 	cd ..
 
 	# Work around missing FUSE/docker
 	./appimagetool-${ARCH}.AppImage --appimage-extract
-./squashfs-root/AppRun love-prepared love-${VERSION}-${ARCH}.AppImage
+	./squashfs-root/AppRun love-prepared "${target}-${ARCH}.AppImage"
+}
+
+main "$@"