anchor.diff:  COPY --from=buster /* /
   COPY --from=stretch /* /
   COPY --from=hirsute /* /
  +COPY --from=impish /* /
   COPY --from=focal /* /
   COPY --from=bionic /* /
   COPY --from=centos7 /* /
  
positive.code: COPY --from=hirsute-build /tmp/google-cloud-ops-agent.tgz /google-cloud-ops-agent-ubuntu-hirsute.tgz
  COPY --from=hirsute-build /google-cloud-ops-agent*.deb /
  
  FROM scratch AS focal
  COPY --from=focal-build /tmp/google-cloud-ops-agent.tgz /google-cloud-ops-agent-ubuntu-focal.tgz
  COPY --from=focal-build /google-cloud-ops-agent*.deb /
  
negative.code: WORKDIR /work
  RUN ./pkg/deb/build.sh
  
  FROM ubuntu:impish AS impish-build
  
  RUN set -x; apt-get update && \
      DEBIAN_FRONTEND=noninteractive apt-get -y install git systemd \
      autoconf libtool libcurl4-openssl-dev libltdl-dev libssl-dev libyajl-dev \
      build-essential cmake bison flex file libsystemd-dev \
      devscripts cdbs pkg-config golang-go openjdk-11-jdk
  
  COPY . /work
  WORKDIR /work
  RUN ./pkg/deb/build.sh
  
  FROM ubuntu:focal AS focal-build
  
  RUN set -x; apt-get update && \
  