6 .
/lib
/upgrade
/common.sh
8 if [ ! -f /boot
/grub
/upgraded
] && export_bootdevice
&& export_partdevice diskdev
0; then
9 part_magic_efi
"/dev/$diskdev" && return 0
10 echo "(hd0) /dev/$diskdev" > /tmp
/device.map
11 /usr
/sbin
/grub-bios-setup \
12 -m "/tmp/device.map" \
16 && touch /boot
/grub
/upgraded
20 [ "$INITRAMFS" = "1" ] || boot_hook_add preinit_main upgrade_bootloader