switch to ubuntu jammy

.drone.yml

@@ -8,13 +8,13 @@ steps:
   commands: 
   - luacheck --std +love -g -u -t .
 - name: build
-  image: bash
+  image: ubuntu:jammy
   when:
     event: tag
   commands:
-  - apk update
-  - apk upgrade
-  - apk --no-cache add curl zip git
+  - sudo apt-get update
+  - sudo apt-get upgrade
+  - sudo apt-get install curl zip git
   - chmod +x tools/build.sh
   - bash tools/build.sh
 - name: release

tools/build.sh

@@ -38,8 +38,6 @@ downloadlove() {
 	curl -L -O $LOVE_LINUX
 	curl -L -O $APPIMAGETOOL
 
-	chmod +x appimagetool-x86_64.AppImage
-	chmod +x love-$LOVE_VERSION-x86_64.AppImage
 	./appimagetool-x86_64.AppImage --appimage-extract
 	mv squashfs-root appimage
 	chmod +x appimage/AppRun