#!@SBINDIR@/openrc-run
# Copyright (c) 2007-2015 The OpenRC Authors.
# See the Authors file at the top-level directory of this distribution and
# https://github.com/OpenRC/openrc/blob/master/AUTHORS
#
# This file is part of OpenRC. It is subject to the license terms in
# the LICENSE file found in the top-level directory of this
# distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
# This file may not be copied, modified, propagated, or distributed
# except according to the terms contained in the LICENSE file.

description="Loads a user defined list of kernel modules."

depend()
{
	use isapnp
	want modules-load
	keyword -docker -lxc -openvz -prefix -systemd-nspawn -vserver
}

FreeBSD_modules()
{
	local cnt=0 x
	for x in $modules; do
		ebegin "Loading module $x"
		kldload "$x"
		eend $? "Failed to load $x" && : $(( cnt += 1 ))
	done
	einfo "Autoloaded $cnt module(s)"
}

Linux_modules()
{
	# Should not fail if kernel does not have module
	# support compiled in ...
	[ ! -f /proc/modules ] && return 0

	local KV x y kv_variant_list
	KV=$(uname -r)
	# full $KV
	kv_variant_list="${KV}"
	# remove any KV_EXTRA options to just get the full version
	x=${KV%%-*}
	# now slowly strip them
	while [ -n "$x" ] && [ "$x" != "$y" ]; do
		kv_variant_list="${kv_variant_list} $x"
		y=$x
		x=${x%.*}
	done

	local list= x= xx= y= args= mpargs= a=
	for x in $kv_variant_list ; do
		eval list=\$modules_$(shell_var "$x")
		[ -n "$list" ] && break
	done
	[ -z "$list" ] && list=$modules

	[ -n "$list" ] && ebegin "Loading kernel modules"
	for x in $list; do
		a=${x#*:}
		if [ "$a" = "$x" ]; then
			unset mpargs
		else
			x=${x%%:*}
			mpargs="-o $a"
		fi
		aa=$(shell_var "$a")
		xx=$(shell_var "$x")
		for y in $kv_variant_list ; do
			eval args=\$module_${aa}_args_$(shell_var "$y")
			[ -n "${args}" ] && break
			eval args=\$module_${xx}_args_$(shell_var "$y")
			[ -n "${args}" ] && break
		done
		[ -z "$args" ] && eval args=\$module_${aa}_args
		[ -z "$args" ] && eval args=\$module_${xx}_args
		eval modprobe --use-blacklist --verbose "$mpargs" "$x" "$args"
	done
	[ -n "$list" ] && eend
}

start()
{
	case "$RC_UNAME" in
		FreeBSD|Linux) ${RC_UNAME}_modules ;;
		*) ;;
	esac
	return 0
}
