anchor.diff:  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 && \
  
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: COPY --from=buster /* /
  COPY --from=stretch /* /
  COPY --from=hirsute /* /
  COPY --from=impish /* /
  COPY --from=focal /* /
  COPY --from=bionic /* /
  COPY --from=centos7 /* /
  