if [[ -n $RSYSLOG_BRANCH ]]; then 
   if [[ ${RSYSLOG_BRANCH} == "stable" ]]; then   
      RSYSLOG_BRANCH=v4stable
   fi
   RSYSLOG_BRANCH=${RSYSLOG_BRANCH/v4beta/v4stable} 
   RSYSLOG_BRANCH=${RSYSLOG_BRANCH/v5beta/v5stable}
fi

config_query_list RSYSLOG_BRANCH "Build which branch of rsyslog?" v3stable v4stable v5stable devel