epm-remove_old_kernels

#!/bin/sh
#
# Copyright (C) 2016-2017  Etersoft
# Copyright (C) 2016-2017  Vitaly Lipatov <lav@etersoft.ru>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#

load_helper epm-sh-warmup

epm_remove_old_kernels()
{

	warmup_bases

	case $DISTRNAME in
	ALTLinux)
		load_helper epm-query_package
		if ! __epm_query_package kernel-image >/dev/null ; then
			info "No installed kernel packages, skipping cleaning"
			return
		fi
		assure_exists update-kernel update-kernel 0.9.9
		sudocmd remove-old-kernels $pkg_filenames
		return ;;
	Ubuntu)
		load_helper epm-query_package
		if ! __epm_query_package linux-image >/dev/null ; then
			info "No installed kernel packages, skipping cleaning"
			return
		fi
		info "Note: it is enough to use eepm autoremove for old kernel removing..."
		info "Check also http://ubuntuhandbook.org/index.php/2016/05/remove-old-kernels-ubuntu-16-04/"
		# http://www.opennet.ru/tips/2980_ubuntu_apt_clean_kernel_packet.shtml
		case $DISTRVERSION in
		10.04|12.04|14.04|15.04|15.10)
			assure_exists purge-old-kernels bikeshed
			;;
		*)
			# since Ubuntu 16.04
			assure_exists purge-old-kernels byobu
			;;
		esac
		sudocmd purge-old-kernels $pkg_filenames
		return ;;
	Gentoo)
		sudocmd emerge -P gentoo-sources
		return ;;
	VoidLinux)
		sudocmd vkpurge rm all
		return ;;
	esac

	case $PMTYPE in
	*)
		fatal "Have no suitable command for $PMTYPE"
		;;
	esac
}