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soifai/config/scripts/GRUB_PC/10-setup

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#! /bin/bash
# support for GRUB version 2
error=0; trap 'error=$(($?>$error?$?:$error))' ERR # save maximum error code
set -a
# do not set up grub during dirinstall
if [ "$FAI_ACTION" = "dirinstall" ] ; then
exit 0
fi
# during softupdate use this file
[ -r $LOGDIR/disk_var.sh ] && . $LOGDIR/disk_var.sh
if [ -z "$BOOT_DEVICE" ]; then
exit 189
fi
# disable os-prober because of #802717
ainsl /etc/default/grub 'GRUB_DISABLE_OS_PROBER=true'
# skip the rest, if not an initial installation
if [ $FAI_ACTION != "install" ]; then
$ROOTCMD update-grub
exit $error
fi
get_stable_devname() {
local _DEV="$1"
local i
declare -a _RES
# prefer SCSI over ATA over WWN over path
# do not use by-path
for i in $($ROOTCMD udevadm info -r --query=symlink "$_DEV"); do
if [[ "$i" =~ /by-id/scsi ]]; then
_RES[10]="$i"
elif [[ "$i" =~ /by-id/ata ]]; then
_RES[20]="$i"
elif [[ "$i" =~ /by-id/wwn ]]; then
_RES[99]="$i"
fi
done
echo "${_RES[@]::1}"
}
# handle /boot in lvm-on-md
_bdev=$(readlink -f $BOOT_DEVICE)
if [ "${_bdev%%-*}" = "/dev/dm" ]; then
BOOT_DEVICE=$( lvs --noheadings -o devices $BOOT_DEVICE | sed -e 's/^*\([^(]*\)(.*$/\1/' )
fi
# Check if RAID is used for the boot device
if [[ $BOOT_DEVICE =~ '/dev/md' ]]; then
raiddev=${BOOT_DEVICE#/dev/}
# install grub on all members of RAID
for device in $(LC_ALL=C perl -ne 'if(/^'$raiddev'\s.+raid\d+\s(.+)/){ $_=$1; s/\d+\[\d+\]//g; s/(nvme.+?)p/$1/g; print }' /proc/mdstat); do
pdevice=$(get_stable_devname /dev/$device)
if [ -z "$pdevice" ]; then
# if we cannot find a persistent name (for e.g. in a VM) use old name
pdevice="/dev/$device"
fi
mbrdevices+="$pdevice, "
echo Installing grub on /dev/$device = $pdevice
$ROOTCMD grub-install --no-floppy "/dev/$device"
done
# remove last ,
mbrdevices=${mbrdevices%, }
else
mbrdevices=$(get_stable_devname $BOOT_DEVICE)
if [ -z "$mbrdevices" ]; then
# if we cannot find a persistent name (for e.g. in a VM) use old name
mbrdevices=$BOOT_DEVICE
fi
echo "Installing grub on $BOOT_DEVICE = $mbrdevices"
$ROOTCMD grub-install --no-floppy "$mbrdevices"
fi
echo "grub-pc grub-pc/install_devices multiselect $mbrdevices" | $ROOTCMD debconf-set-selections
$ROOTCMD dpkg-reconfigure grub-pc
exit $error