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#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
get_boot_zipl_dev() {
local _boot_zipl
_boot_zipl=$(sed -n -e '/^[[:space:]]*#/d' -e 's/\(.*\)\w*\/boot\/zipl.*/\1/p' "$dracutsysrootdir"/etc/fstab)
printf "%s" "$(trim "$_boot_zipl")"
}
# called by dracut
check() {
local _arch=${DRACUT_ARCH:-$(uname -m)}
# Only for systems on s390 using indirect booting via userland grub
[ "$_arch" = "s390" -o "$_arch" = "s390x" ] || return 1
# /boot/zipl contains a first stage kernel used to launch grub in initrd
[ -d /boot/zipl ] || return 1
return 0
}
# called by dracut
depends() {
return 0
}
# called by dracut
installkernel() {
local _boot_zipl
_boot_zipl=$(get_boot_zipl_dev)
if [ -n "$_boot_zipl" ]; then
eval "$(blkid -s TYPE -o udev "${_boot_zipl}")"
if [ -n "$ID_FS_TYPE" ]; then
case "$ID_FS_TYPE" in
ext?)
ID_FS_TYPE=ext4
;;
esac
instmods ${ID_FS_TYPE}
fi
fi
}
# called by dracut
cmdline() {
local _boot_zipl
_boot_zipl=$(get_boot_zipl_dev)
if [ -n "$_boot_zipl" ]; then
printf "%s" " rd.zipl=${_boot_zipl}"
fi
}
# called by dracut
install() {
inst_multiple mount umount
inst_hook cmdline 91 "$moddir/parse-zipl.sh"
inst_script "${moddir}/install_zipl_cmdline.sh" /sbin/install_zipl_cmdline.sh
if [[ $hostonly_cmdline == "yes" ]]; then
local _zipl
_zipl=$(cmdline)
[[ $_zipl ]] && printf "%s\n" "$_zipl" > "${initdir}/etc/cmdline.d/91zipl.conf"
fi
dracut_need_initqueue
}
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