anchor.diff:          "build-tools;20.0.0" \
           "build-tools;19.1.0" \
           "build-tools;18.1.1" \
  -        "build-tools;17.0.0" > /dev/null && \
  -    echo "Installing extras " && \
  +        "build-tools;17.0.0" > /dev/null
  +
  +RUN echo "Installing extras repos" && \
       yes | "$ANDROID_HOME"/tools/bin/sdkmanager \
           "extras;android;m2repository" \
  -        "extras;google;m2repository" > /dev/null && \
  -    echo "Installing play services " && \
  +        "extras;google;m2repository" > /dev/null
  +
  +RUN echo "Installing play services " && \
       yes | "$ANDROID_HOME"/tools/bin/sdkmanager \
           "extras;google;google_play_services" \
           "extras;m2repository;com;android;support;constraint;constraint-layout;1.0.2" \
  -        "extras;m2repository;com;android;support;constraint;constraint-layout;1.0.1" > /dev/null && \
  -    echo "Installing Google APIs" && \
  +        "extras;m2repository;com;android;support;constraint;constraint-layout;1.0.1" > /dev/null
  +
  +RUN echo "Installing Google APIs" && \
       yes | "$ANDROID_HOME"/tools/bin/sdkmanager \
           "add-ons;addon-google_apis-google-24" \
           "add-ons;addon-google_apis-google-23" \
  
positive.code:         "add-ons;addon-google_apis-google-17" \
          "add-ons;addon-google_apis-google-16" > /dev/null && \
      echo "Installing emulator " && \
      yes | "$ANDROID_HOME"/tools/bin/sdkmanager "emulator" > /dev/null && \
      echo "Installing kotlin" && \
      wget --quiet -O sdk.install.sh "https://get.sdkman.io" && \
      bash -c "bash ./sdk.install.sh > /dev/null && source ~/.sdkman/bin/sdkman-init.sh && sdk install kotlin" && \
      rm -f sdk.install.sh && \
      # Install Flutter sdk
      cd /opt && \
      wget --quiet https://storage.googleapis.com/flutter_infra/releases/stable/linux/flutter_linux_1.17.1-stable.tar.xz -O flutter.tar.xz && \
      tar xf flutter.tar.xz && \
  
negative.code:         "build-tools;25.0.3" "build-tools;25.0.2" \
          "build-tools;25.0.1" "build-tools;25.0.0" \
          "build-tools;24.0.3" "build-tools;24.0.2" \
          "build-tools;24.0.1" "build-tools;24.0.0" > /dev/null
  
  RUN echo "Installing build tools " && \
      yes | "$ANDROID_HOME"/tools/bin/sdkmanager \
          "build-tools;23.0.3" "build-tools;23.0.2" "build-tools;23.0.1" \
          "build-tools;22.0.1" \
  