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#!/bin/bash
# Synopsis: list_bootloader_targets
#
# This function lists all disks and the root-partition if it is suitable to install a bootloader on it.
# Output example:
# /dev/sda 250059350016 Master Boot Record
# /dev/sdb 400088457216 Master Boot Record
# /dev/sdb1 60003385344 Rootpartition (filesysem ext4)
function list_bootloader_targets()
{
for disk in $(list_all_disks)
do
echo "$disk $(blockdev --getsize64 $disk) Master Boot Record"
done
root_dev="$(hdmap_get device of mountpoint /)"
root_fs="$(hdmap_get filesystem of mountpoint /)"
[ -z "$root_fs" ] && root_fs=$(get_filesystem "$root_dev")
case $root_fs in
reiserfs|ext2|ext3|ext4)
list_linux_partitions | grep -q "^$root_dev$" &&
echo "$root_dev $(blockdev --getsize64 $root_dev) Rootpartition (filesystem $root_fs)"
;;
esac
}
function send_bootloader_targets()
{
send data bootloader_targets
list_bootloader_targets
}
# Synopsis: list_bootloaders
#
# This function lists all available bootloaders
# Output example:
# BURG - Brand-new Universal loadeR from GRUB
# GRUB - GRand Unified Bootloader
function list_bootloaders()
{
for bl in burg grub
do
[ -x /usr/sbin/$bl-install ] || continue
case $bl in
burg) echo "BURG - Brand-new Universal loadeR from GRUB";;
grub) echo "GRUB - GRand Unified Bootloader";;
esac
done
}
function send_bootloaders()
{
send data bootloaders
list_bootloaders
}
function install_bootmanager_to_target()
{
send install_step install_bootmanager_to_target
# force initrd update
chroot_it update-initramfs -utk all &>/dev/null
case "$cfg_bootloader" in
grub)
install_grub
;;
burg)
install_burg
;;
esac
}
function install_grub()
{
rm -f $TARGET/boot/vmlinuz $TARGET/boot/System.map $TARGET/boot/initrd.img
# install grub
mkdir -p "$TARGET/boot/grub"
grub-install --recheck --no-floppy --root-directory=$TARGET "$cfg_bootloader_target" &>/dev/null || \
grub-install --force --recheck --no-floppy --root-directory=$TARGET "$cfg_bootloader_target" &>/dev/null
# # create device.map and save it to target
# export device_map=$TARGET/tmp/device.map
# get_device_map > $device_map
# cat $device_map > $TARGET/boot/grub/device.map
# rm -f $device_map
# preseed grub-pc with install-target
for path in /dev/disk/by-id/*
do
[ -e "$path" ] || continue
if [ "$(readlink -f "$path")" = "$(readlink -f "$cfg_bootloader_target")" ]; then
echo "grub-pc grub-pc/install_devices multiselect $path" | chroot_it debconf-set-selections &>/dev/null
break
fi
done
write_kernel_img_conf
# gfx=auto hack
grep -q gfx=auto /proc/cmdline && chroot_it sed -i 's/\(^GRUB_CMDLINE_LINUX_DEFAULT=\).*/\1"quiet rw gfx=auto"/;s/\(^GRUB_CMDLINE_LINUX=\).*/\1""/' /etc/default/grub
# update grub
chroot_it update-grub &>/dev/null
DEBIAN_FRONTEND=noninteractive chroot_it dpkg-reconfigure grub-pc &>/dev/null
return 0
}
function install_burg()
{
rm -f $TARGET/boot/vmlinuz $TARGET/boot/System.map $TARGET/boot/initrd.img
# install burg
mkdir -p "$TARGET/boot/burg"
burg-install --recheck --no-floppy --root-directory=$TARGET "$cfg_bootloader_target" &>/dev/null || \
burg-install --force --recheck --no-floppy --root-directory=$TARGET "$cfg_bootloader_target" &>/dev/null
# # create device.map and save it to target
# export device_map=$TARGET/tmp/device.map
# get_device_map > $device_map
# cat $device_map > $TARGET/boot/burg/device.map
# rm -f $device_map
# preseed burg-pc with install-target
for path in /dev/disk/by-id/*
do
[ -e "$path" ] || continue
if [ "$(readlink -f "$path")" = "$(readlink -f "$cfg_bootloader_target")" ]; then
echo "burg-pc burg-pc/install_devices multiselect $path" | chroot_it debconf-set-selections &>/dev/null
break
fi
done
write_kernel_img_conf
# update burg
chroot_it update-burg &>/dev/null
DEBIAN_FRONTEND=noninteractive chroot_it dpkg-reconfigure burg-pc &>/dev/null
return 0
}
function write_kernel_img_conf()
{
rm -f $TARGET/etc/kernel-img.conf
cat << EOT > $TARGET/etc/kernel-img.conf
# Kernel image management overrides
# See kernel-img.conf(5) for details
do_symlinks = yes
relative_links = yes
do_bootloader = no
do_bootfloppy = no
do_initrd = yes
link_in_boot = no
postinst_hook = update-$cfg_bootloader
postrm_hook = update-$cfg_bootloader
EOT
}
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