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#!/bin/bash
if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
set -x
fi
set -eu
set -o pipefail
if [ $DIB_DISABLE_KERNEL_CLEANUP -ne 0 ]; then
echo "Skipping kernel cleanup as configured"
exit 0
fi
YUM=${YUM:-yum}
if [[ ${YUM} == "dnf" ]]; then
# cribbed from
# http://dnf.readthedocs.org/en/latest/cli_vs_yum.html
_old_kernels="$(dnf repoquery --installonly --latest-limit=-1 -q)"
if [[ -n "${_old_kernels}" ]]; then
dnf remove -y --setopt=protect_running_kernel=False ${_old_kernels}
fi
else
install-packages yum-utils
package-cleanup --oldkernels -y --count=1
fi
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