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|
#! /bin/sh
set -e
# If we're not on an EFI system, do nothing
if [ ! -d /sys/firmware/efi ]; then
exit 0
fi
# Must load the confmodule for our template to be installed correctly.
. /usr/share/debconf/confmodule
# Select the right target architecture for grub-install
ARCH=@arch@
case ${ARCH} in
i386|amd64)
FW_SIZE=$(cat /sys/firmware/efi/fw_platform_size)
if [ "$FW_SIZE"x = "32"x ]; then
GRUB_EFI_TARGET="i386-efi"
elif [ "$FW_SIZE"x = "64"x ]; then
GRUB_EFI_TARGET="x86_64-efi"
else
echo "Unable to read a valid value from fw_platform_size, ABORT"
exit 1
fi
;;
arm64)
GRUB_EFI_TARGET="arm64-efi"
;;
*)
echo "Unsupported dpkg architecture ${ARCH} in $0. ABORT"
exit 1
;;
esac
# Pull out a config value from /etc/default/grub
config_item ()
{
if [ -f /etc/default/grub ]; then
. /etc/default/grub || return
for x in /etc/default/grub.d/*.cfg; do
if [ -e "$x" ]; then
. "$x"
fi
done
fi
eval echo "\$$1"
}
run_grub_install()
{
if ! grub-install $@ ; then
echo "Failed: grub-install $@" >&2
echo "WARNING: Bootloader is not properly installed, system may not be bootable" >&2
fi
}
case $1 in
configure)
bootloader_id="$(config_item GRUB_DISTRIBUTOR | tr A-Z a-z | \
cut -d' ' -f1)"
case $bootloader_id in
kubuntu) bootloader_id=ubuntu ;;
esac
# Call grub-install to make sure we're added to the ESP as
# needed
if [ "$bootloader_id" ] && \
[ -d "/boot/efi/EFI/$bootloader_id" ] && \
which grub-install >/dev/null 2>&1
then
# Check for some of the options that matter, so we can
# call grub-install safely without dropping them
OPTIONS=""
db_get grub2/force_efi_extra_removable || RET=false
if [ "$RET" = true ]; then
OPTIONS="$OPTIONS --force-extra-removable"
fi
db_get grub2/update_nvram || RET=true
if [ "$RET" = false ]; then
OPTIONS="$OPTIONS --no-nvram"
fi
run_grub_install --target=${GRUB_EFI_TARGET} $OPTIONS
fi
;;
esac
#DEBHELPER#
exit 0
|
