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#! /bin/bash
# support for GRUB version 2
error=0; trap 'error=$(($?>$error?$?:$error))' ERR # save maximum error code
set -x
set -a
# do not set up grub during dirinstall
if [ "$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 #788062
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 $error
fi
GROOT=$($ROOTCMD grub-probe -tdrive -d $BOOT_DEVICE)
# handle /boot in lvm-on-md
_bdev=$(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; print }' /proc/mdstat`; do
echo Install grub on /dev/$device
$ROOTCMD grub-install --no-floppy "/dev/$device"
done
else
$ROOTCMD grub-install --no-floppy "$GROOT"
if [ $? -eq 0 ]; then
echo "Grub installed on $BOOT_DEVICE = $GROOT"
fi
fi
$ROOTCMD update-grub
set +x
exit $error
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