anchor.diff:  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
  +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
  
positive.code: 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'
  
  # 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
  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
  
  # init gomobile
  RUN gomobile init -ndk $ANDROID_HOME/ndk-bundle
  
  CMD ["/bin/bash"]
  
negative.code: # Copyright 2017 The Perkeep Authors.
  
  FROM openjdk:11-jdk
  
  MAINTAINER camlistore <camlistore@googlegroups.com>
  
  