anchor.diff:  # use 64bit bash for emulator
   ENV SHELL /bin/bash 
   
  -RUN     avdmanager create avd -n api25 -k "system-images;android-25;google_apis;x86_64" -c 1000M --device "Nexus 5X"+RUN     avdmanager create avd -n api25 -k "system-images;android-25;google_apis;x86_64" -c 1000M --device "Nexus 5X"
  
positive.code:                 "build-tools;23.0.3" \
                  "build-tools;22.0.1" \
                  "platform-tools" \
                  "platforms;android-27" \
                  "platforms;android-26" \
                  "platforms;android-25" \
  
negative.code:             && touch /root/.android/repositories.cfg \
              && sdkmanager --update \
              && sdkmanager \
  		"build-tools;28.0.3" \
                  "build-tools;27.0.3" \
                  "build-tools;27.0.2" \
                  "build-tools;27.0.1" \
  