diskimage-builder/elements/yum/extra-data.d/99-yum-repo-conf

#!/bin/bash
# Add an additional yum repo configuration with $DIB_YUM_REPO_CONF

if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
    set -x
fi
set -eu
set -o pipefail

# exit directly if DIB_YUM_REPO_CONF is not defined properly
if [ -z "${DIB_YUM_REPO_CONF:-}" ] ; then
    echo "DIB_YUM_REPO_CONF is not set - no repo configuration will be copied in"
    exit 0
elif [ ! -f "$DIB_YUM_REPO_CONF" ] ; then
    echo "DIB_YUM_REPO_CONF is not a valid yum repo configuration file."
    echo "You should assign a proper yum repo configuration file in DIB_YUM_REPO_CONF"
    exit 1
fi

# copy the yum repo configuration
sudo cp -L -f $DIB_YUM_REPO_CONF $TMP_MOUNT_PATH/etc/yum.repos.d/dib-yum-repo-conf.repo