anchor.diff:  RUN mkdir android-sdk
   ENV ANDROID_HOME $GOPHER/android-sdk
   WORKDIR $ANDROID_HOME
  -RUN curl -O https://dl.google.com/android/repository/sdk-tools-linux-3859397.zip
  -RUN echo '444e22ce8ca0f67353bda4b85175ed3731cae3ffa695ca18119cbacef1c1bea0  sdk-tools-linux-3859397.zip' | sha256sum -c
  -RUN unzip sdk-tools-linux-3859397.zip
  -RUN echo y | $ANDROID_HOME/tools/bin/sdkmanager --update
  -RUN echo y | $ANDROID_HOME/tools/bin/sdkmanager 'platforms;android-27'
  -RUN echo y | $ANDROID_HOME/tools/bin/sdkmanager 'build-tools;27.0.0'
  -RUN echo y | $ANDROID_HOME/tools/bin/sdkmanager 'extras;android;m2repository'
  -RUN echo y | $ANDROID_HOME/tools/bin/sdkmanager 'ndk-bundle'
  +RUN curl -O -L https://dl.google.com/android/repository/commandlinetools-linux-8512546_latest.zip
  +RUN echo '2ccbda4302db862a28ada25aa7425d99dce9462046003c1714b059b5c47970d8  ./commandlinetools-linux-8512546_latest.zip' | sha256sum -c
  +RUN unzip ./commandlinetools-linux-8512546_latest.zip
  +ENV SDK_MGR "$ANDROID_HOME/cmdline-tools/bin/sdkmanager --sdk_root=$ANDROID_HOME"
  +RUN echo y | $SDK_MGR --update
  +RUN echo y | $SDK_MGR 'platforms;android-27'
  +RUN echo y | $SDK_MGR 'build-tools;27.0.0'
  +RUN echo y | $SDK_MGR 'extras;android;m2repository'
  +RUN echo y | $SDK_MGR 'ndk-bundle'
  +RUN echo y | keytool -genkeypair -dname "cn=Gopher" \
  +	-alias perkeep \
  +	-keypass gopher -keystore $GOPHER/keystore \
  +	-storepass gopher \
  +	-validity 20000
   
   # Get Go stable release
   WORKDIR $GOPHER
  -RUN curl -O https://storage.googleapis.com/golang/go1.11.linux-amd64.tar.gz
  -RUN echo 'b3fcf280ff86558e0559e185b601c9eade0fd24c900b4c63cd14d1d38613e499  go1.11.linux-amd64.tar.gz' | sha256sum -c
  -RUN tar -xzf go1.11.linux-amd64.tar.gz
  +RUN curl -O https://storage.googleapis.com/golang/go1.18.linux-amd64.tar.gz
  +RUN echo 'e85278e98f57cdb150fe8409e6e5df5343ecb13cebf03a5d5ff12bd55a80264f  go1.18.linux-amd64.tar.gz' | sha256sum -c
  +RUN tar -xzf go1.18.linux-amd64.tar.gz
   ENV GOPATH $GOPHER
   ENV GOROOT $GOPHER/go
   ENV PATH $PATH:$GOROOT/bin:$GOPHER/bin
   
   # Get gomobile
  -RUN go get -u golang.org/x/mobile/cmd/gomobile
  -WORKDIR $GOPATH/src/golang.org/x/mobile/cmd/gomobile
  -RUN git reset --hard 069be623eb8e75049d64f1419849b3e92aab1c81
  -RUN go install
  +RUN go install -v golang.org/x/mobile/cmd/gomobile@8578da9835fd
   
   # init gomobile
  -RUN gomobile init -ndk $ANDROID_HOME/ndk-bundle
  +RUN gomobile init
   
   CMD ["/bin/bash"]
  
positive.code: # Copyright 2017 The Perkeep Authors.
  
  FROM openjdk:8-jdk
  
  MAINTAINER camlistore <camlistore@googlegroups.com>
  
  
negative.code: RUN apt-get update && apt-get -y upgrade
  RUN apt-get install -y lib32z1 lib32stdc++6
  # For Go:
  RUN apt-get -y --no-install-recommends install curl gcc make
  RUN apt-get -y --no-install-recommends install ca-certificates libc6-dev git
  
  USER gopher
  