anchor.diff:  # Install kubectl
   ARG KUBECTL_VERSION="v1.15.0"
   
  -RUN curl -Lo kubectl \
  -  "https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl" \
  -  && chmod +x kubectl \
  -  && mv kubectl /usr/local/bin/kubectl
  +RUN KUBECTL_URL="https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl" \
  +  && curl -L "${KUBECTL_URL}" -o "/usr/local/bin/kubectl" \
  +  && chmod +x /usr/local/bin/kubectl
   
   # Install Kind
   ARG KIND_VERSION="v0.5.0"
   
  -RUN curl -Lo kind \
  -   "https://github.com/kubernetes-sigs/kind/releases/download/${KIND_VERSION}/kind-linux-amd64" \
  -   && chmod +x kind \
  -   && mv kind /usr/local/bin/kind
  +RUN KIND_URL="https://github.com/kubernetes-sigs/kind/releases/download/${KIND_VERSION}/kind-linux-amd64" \
  +   && curl -L "${KIND_URL}" -o "/usr/local/bin/kind" \
  +   && chmod +x /usr/local/bin/kind
   
   # Install Apache RAT
   ARG RAT_VERSION="0.13"
   
  -RUN  RAT_URL="https://repo1.maven.org/maven2/org/apache/rat/apache-rat/${RAT_VERSION}/apache-rat-${RAT_VERSION}.jar" \
  +RUN RAT_URL="https://repo1.maven.org/maven2/org/apache/rat/apache-rat/${RAT_VERSION}/apache-rat-${RAT_VERSION}.jar" \
       && RAT_JAR="/opt/apache-rat.jar" \
       && RAT_JAR_MD5="${RAT_JAR}.md5" \
       && RAT_URL_MD5="${RAT_URL}.md5" \
       && echo "Downloading RAT from ${RAT_URL} to ${RAT_JAR}" \
  -    && curl -L "${RAT_URL}" > "${RAT_JAR}" \
  -    && curl -L "${RAT_URL_MD5}" > "${RAT_JAR_MD5}" \
  -    && jar -tf "${RAT_JAR}" >/dev/null \
  +    && curl -L "${RAT_URL}" -o "${RAT_JAR}" \
  +    && curl -L "${RAT_URL_MD5}" -o "${RAT_JAR_MD5}" \
  +    && jar -tf "${RAT_JAR}" > /dev/null \
       && md5sum -c <<<"$(cat "${RAT_JAR_MD5}") ${RAT_JAR}"
   
   # Setup PIP
  
positive.code:     && mkdir -pv "/user/hive/warehouse" \
      && chmod -R 777 "${HIVE_HOME}" \
      && chmod -R 777 "/user/" \
      && curl -L "${HIVE_URL}" > "${HIVE_TMP_FILE}" \
      && tar xzf "${HIVE_TMP_FILE}" --strip-components 1 -C "${HIVE_HOME}" \
      && rm "${HIVE_TMP_FILE}"
  
  
negative.code:     && GCLOUD_TMP_FILE="/tmp/gcloud.tar.gz" \
      && export CLOUDSDK_CORE_DISABLE_PROMPTS=1 \
      && mkdir -p /opt/gcloud \
      && curl "${GCOUD_URL}" -o "${GCLOUD_TMP_FILE}"\
      && tar xzf "${GCLOUD_TMP_FILE}" --strip-components 1 -C "${GCLOUD_HOME}" \
      && rm -rf "${GCLOUD_TMP_FILE}" \
      && echo '. /opt/gcloud/completion.bash.inc' >> /etc/bash.bashrc
  