FROM ubuntu:16.04 ARG COIN_RUNS_IN_QT_COMPANY RUN test x"$COIN_RUNS_IN_QT_COMPANY" = xtrue \ && sed -i 's;\(archive\|security\)\.ubuntu\.com;repo-clones.ci.qt.io/apt-mirror/mirror;' /etc/apt/sources.list \ || echo "Internal package repository not found. Using public repositories."