anchor.diff:  # Configuration variables.
   ENV JIRA_HOME     /var/atlassian/jira
   ENV JIRA_INSTALL  /opt/atlassian/jira
  -ENV JIRA_VERSION  7.1.8
  +ENV JIRA_VERSION  7.2.7
   ENV APP_VERSION   3.2.7
   
   # Install Atlassian JIRA and helper tools and setup initial home
  
positive.code: RUN set -x \
      && apt-get update --quiet \
      && apt-get install --quiet --yes --no-install-recommends xmlstarlet \
      && apt-get clean \
      && mkdir -p                "${JIRA_HOME}" \
      && mkdir -p                "${JIRA_HOME}/caches/indexes" \
  
negative.code:     && mkdir -p                "${JIRA_INSTALL}/conf/Catalina" \
      && curl -Ls                "https://www.atlassian.com/software/jira/downloads/binary/atlassian-servicedesk-3.2.7.tar.gz" | tar -xz --directory "${JIRA_INSTALL}" --strip-components=1 --no-same-owner \
      && curl -Ls                "https://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-java-5.1.38.tar.gz" | tar -xz --directory "${JIRA_INSTALL}/lib" --strip-components=1 --no-same-owner "mysql-connector-java-5.1.38/mysql-connector-java-5.1.38-bin.jar" \
      && rm -f                   "${JIRA_INSTALL}/lib/postgresql-9.1-903.jdbc4-atlassian-hosted.jar" \
      && curl -Ls                "https://jdbc.postgresql.org/download/postgresql-9.4.1212.jar" -o "${JIRA_INSTALL}/lib/postgresql-9.4.1212.jar" \
      && chmod -R 700            "${JIRA_INSTALL}/conf" \
      && chmod -R 700            "${JIRA_INSTALL}/logs" \
      && chmod -R 700            "${JIRA_INSTALL}/temp" \
  