807 lines
28 KiB
Bash
807 lines
28 KiB
Bash
#!/bin/bash
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set -e
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# Apply a sed expression using extended regular expressions in place to a
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# file, if it exists. The file is the first argument in order to work
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# neatly with apply_conf_tweaks.
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sed_conf()
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{
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if [ -e "$1" ]; then
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sed -i -re "$2" "$1"
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fi
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}
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# Substitute a debconf answer into a configuration file with the syntax of
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# /etc/default/grub.
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merge_debconf_into_conf()
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{
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local tmpfile; tmpfile="$1"
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local setting; setting="$2"
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local template; template="$3"
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db_get "$template"
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local value; value="$(echo "$RET" | sed -e 's,[$`"\],\\&,g')"
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if grep -q "^${setting}=" "$tmpfile"; then
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value="$(echo "$value" | sed -e 's,[\@],\\&,g')"
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sed -i -re "s@^(${setting}=).*@\1\"${value}\"@" "$tmpfile"
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else
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echo >> "$tmpfile"
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echo "${setting}=\"${value}\"" >> "$tmpfile"
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fi
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}
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# Apply the same configuration tweak to multiple files.
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apply_conf_tweaks()
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{
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local files; files="$1"
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local cmd; cmd="$2"
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local file
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shift 2
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for file in $files; do
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if [ -e "$file" ]; then
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"$cmd" "$file" "$@"
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fi
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done
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}
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get_wubi_device()
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{
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if [ ! -x /usr/share/lupin-support/grub-mkimage ] || \
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! /usr/share/lupin-support/grub-mkimage --test; then
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return 1
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fi
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local bootdev="$(grub-probe --target=device /boot)" || true
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local loop_file=
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case $bootdev in
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/dev/loop/*|/dev/loop[0-9])
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loop_file="$(losetup "$bootdev" | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/")"
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# If it's loop-mounted from another device, it isn't Wubi.
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case $loop_file in
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/dev/*) return 1 ;;
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esac
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;;
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*) return 1 ;;
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esac
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echo "$bootdev"
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}
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# This only works on a Linux system with udev running. This is probably the
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# vast majority of systems where we need any of this, though, and we fall
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# back reasonably gracefully if we don't have it.
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cached_available_ids=
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available_ids()
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{
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local id path
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if [ "$cached_available_ids" ]; then
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echo "$cached_available_ids"
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return
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fi
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[ -d /dev/disk/by-id ] || return
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cached_available_ids="$(
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for path in /dev/disk/by-id/*; do
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[ -e "$path" ] || continue
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printf '%s %s\n' "$path" "$(readlink -f "$path")"
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done | sort -k2 -s -u | cut -d' ' -f1
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)"
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echo "$cached_available_ids"
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}
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# Returns non-zero and no output if no mapping can be found.
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device_to_id()
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{
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local id
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for id in $(available_ids); do
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if [ "$(readlink -f "$id")" = "$(readlink -f "$1")" ]; then
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echo "$id"
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return 0
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fi
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done
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# Fall back to the plain device name if there's no by-id link for it.
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if [ -e "$1" ]; then
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echo "$1"
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return 0
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fi
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return 1
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}
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all_disks()
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{
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local id
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for id in $(available_ids); do
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case $id in
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*-part*) ;;
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*) echo "$id" ;;
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esac
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done
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}
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all_partitions()
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{
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local id ids
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ids=
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for id in $(available_ids); do
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if [ "$id" != "$1" ] && [ "${id%-part*}" = "$1" ]; then
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ids="${ids:+$ids }$id"
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fi
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done
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echo "$ids"
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}
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# In order to determine whether we accidentally ran grub-install without
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# upgrade-from-grub-legacy on versions older than 1.98+20100617-1, we need
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# to be able to scan a disk to determine whether GRUB 2 was installed in its
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# boot sector. This is specific to i386-pc (but that's the only platform
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# where we need it).
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scan_grub2()
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{
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if ! dd if="$1" bs=512 count=1 2>/dev/null | grep -aq GRUB; then
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# No version of GRUB is installed.
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return 1
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fi
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# The GRUB boot sector always starts with a JMP instruction.
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initial_jmp="$(dd if="$1" bs=2 count=1 2>/dev/null | od -Ax -tx1 | \
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head -n1 | cut -d' ' -f2,3)"
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[ "$initial_jmp" ] || return 1
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initial_jmp_opcode="${initial_jmp%% *}"
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[ "$initial_jmp_opcode" = eb ] || return 1
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initial_jmp_operand="${initial_jmp#* }"
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case $initial_jmp_operand in
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47|4b|4c|63)
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# I believe this covers all versions of GRUB 2 up to the package
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# version where we gained a more explicit mechanism. GRUB Legacy
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# always had 48 here.
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return 0
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;;
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esac
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return 1
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}
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# for Linux
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sysfs_size()
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{
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local num_sectors sector_size size
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# Try to find out the size without relying on a partitioning tool being
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# installed. This isn't too hard on Linux 2.6 with sysfs, but we have to
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# try a couple of variants on detection of the sector size.
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if [ -e "$1/size" ]; then
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num_sectors="$(cat "$1/size")"
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sector_size=512
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if [ -e "$1/queue/logical_block_size" ]; then
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sector_size="$(cat "$1/queue/logical_block_size")"
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elif [ -e "$1/queue/hw_sector_size" ]; then
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sector_size="$(cat "$1/queue/hw_sector_size")"
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fi
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size="$(expr "$num_sectors" \* "$sector_size" / 1000 / 1000)"
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fi
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[ "$size" ] || size='???'
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echo "$size"
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}
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# for kFreeBSD
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camcontrol_size()
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{
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local num_sectors sector_size size=
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if num_sectors="$(camcontrol readcap "$1" -q -s -N)"; then
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sector_size="$(camcontrol readcap "$1" -q -b)"
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size="$(expr "$num_sectors" \* "$sector_size" / 1000 / 1000)"
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fi
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[ "$size" ] || size='???'
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echo "$size"
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}
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maybe_udevadm()
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{
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if command -v udevadm >/dev/null 2>&1; then
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udevadm "$@" || true
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fi
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}
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# Returns value in $RET, like a debconf command.
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describe_disk()
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{
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local disk id sysfs_path disk_basename size model
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disk="$1"
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id="$2"
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model=
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case $(uname -s) in
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Linux)
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sysfs_path="$(maybe_udevadm info -n "$disk" -q path)"
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if [ -z "$sysfs_path" ]; then
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sysfs_path="/block/$(printf %s "${disk#/dev/}" | sed 's,/,!,g')"
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fi
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size="$(sysfs_size "/sys$sysfs_path")"
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model="$(maybe_udevadm info -n "$disk" -q property | sed -n 's/^ID_MODEL=//p')"
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if [ -z "$model" ]; then
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model="$(maybe_udevadm info -n "$disk" -q property | sed -n 's/^DM_NAME=//p')"
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if [ -z "$model" ]; then
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model="$(maybe_udevadm info -n "$disk" -q property | sed -n 's/^MD_NAME=//p')"
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if [ -z "$model" ] && command -v dmsetup >/dev/null 2>&1; then
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model="$(dmsetup info -c --noheadings -o name "$disk" 2>/dev/null || true)"
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fi
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fi
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fi
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;;
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GNU/kFreeBSD)
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disk_basename=$(basename "$disk")
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size="$(camcontrol_size "$disk_basename")"
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model="$(camcontrol inquiry "$disk_basename" | sed -ne "s/^pass0: <\([^>]*\)>.*/\1/p")"
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;;
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esac
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[ "$model" ] || model='???'
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db_subst grub-pc/disk_description DEVICE "$disk"
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db_subst grub-pc/disk_description SIZE "$size"
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db_subst grub-pc/disk_description MODEL "$model"
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db_metaget grub-pc/disk_description description
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}
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# Returns value in $RET, like a debconf command.
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describe_partition()
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{
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local disk part id path sysfs_path diskbase partbase size
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disk="$1"
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part="$2"
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id="$3"
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path="$4"
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sysfs_path="$(maybe_udevadm info -n "$part" -q path)"
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if [ -z "$sysfs_path" ]; then
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diskbase="${disk#/dev/}"
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diskbase="$(printf %s "$diskbase" | sed 's,/,!,g')"
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partbase="${part#/dev/}"
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partbase="$(printf %s "$partbase" | sed 's,/,!,g')"
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sysfs_path="/block/$diskbase/$partbase"
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fi
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size="$(sysfs_size "/sys$sysfs_path")"
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db_subst grub-pc/partition_description DEVICE "$part"
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db_subst grub-pc/partition_description SIZE "$size"
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db_subst grub-pc/partition_description PATH "$path"
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db_metaget grub-pc/partition_description description
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}
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usable_partitions()
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{
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local last_partition path partition partition_id
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last_partition=
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for path in / /boot /boot/grub; do
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partition="$(grub-probe -t device "$path" || true)"
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if [ -z "$partition" ] || [ "$partition" = "$last_partition" ]; then
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continue
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fi
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partition_id="$(device_to_id "$partition" || true)"
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echo "$path:$partition_id"
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last_partition="$partition"
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done | sort -t: -k2
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}
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get_mountpoint()
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{
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local relpath boot_mountpoint
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relpath="$(grub-mkrelpath "$1")"
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boot_mountpoint="${1#$relpath}"
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echo "${boot_mountpoint:-/}"
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}
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config_item()
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{
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for x in /etc/default/grub /etc/default/grub.d/*.cfg; do
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if [ -e "$x" ]; then
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# Lose any output here so we don't confuse our
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# caller. The xen packages echo stuff here, Aargh!
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. "$x" > /dev/null
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fi
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done
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if [ "$(eval echo "\${$1+set}")" = set ]; then
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eval echo "\$$1"
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else
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return
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fi
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}
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running_in_container()
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{
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type systemd-detect-virt >/dev/null 2>&1 && systemd-detect-virt --quiet --container
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}
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no_nvram_arg() {
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db_get grub2/update_nvram
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if [ "$RET" = false ]; then
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echo "--no-nvram"
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fi
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}
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run_grub_install()
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{
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if ! grub-install $@ ; then
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echo "Failed: grub-install $@" >&2
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echo "WARNING: Bootloader is not properly installed, system may not be bootable" >&2
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fi
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}
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case "$1" in
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configure)
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. /usr/share/debconf/confmodule
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devicemap_regenerated=
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if egrep -q '^[[:space:]]*post(inst|rm)_hook[[:space:]]*=[[:space:]]*(/sbin/|/usr/sbin/)?update-grub' /etc/kernel-img.conf 2>/dev/null; then
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echo 'Removing update-grub hooks from /etc/kernel-img.conf in favour of' >&2
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echo '/etc/kernel/ hooks.' >&2
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sed -ri /etc/kernel-img.conf -e '\%^[[:space:]]*post(inst|rm)_hook[[:space:]]*=[[:space:]]*(/sbin/|/usr/sbin/)?update-grub%d'
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fi
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mkdir -p /boot/grub
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case @PACKAGE@ in
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grub-pc)
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if test -e /boot/grub/device.map && ! test -e /boot/grub/core.img && \
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! test -e /boot/grub/@FIRST_CPU_PLATFORM@/core.img; then
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# Looks like your device.map was generated by GRUB Legacy, which
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# used to generate broken device.map (see #422851). Avoid the risk
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# by regenerating it.
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grub-mkdevicemap --no-floppy
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devicemap_regenerated=1
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fi
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;;
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esac
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if test -z "$devicemap_regenerated" && \
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dpkg --compare-versions "$2" lt-nl 1.99~20101210-2 && \
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grep -qs /md-uuid- /boot/grub/device.map; then
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echo "Removing MD devices from device.map, since the BIOS cannot read from these." >&2
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sed -i '/\/md-uuid-/d' /boot/grub/device.map
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fi
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tmp_default_grub="$(mktemp -t grub.XXXXXXXXXX)"
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trap "rm -f ${tmp_default_grub}" EXIT
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cp -p /usr/share/grub/default/grub ${tmp_default_grub}
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# Apply configuration from debconf to both the template configuration
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# file (so that any ucf conflict resolution is shown with the configured
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# values in place) and to /etc/default/grub (in order that debconf
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# changes are effective even if we have to use UCF_FORCE_CONFFOLD=1).
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#
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# The config script takes care to read current values from
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# /etc/default/grub before possibly prompting the user to change them,
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# so this should comply with policy's strictures on configuration file
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# handling: the debconf prompts constitute an explicit administrator
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# request to change the configuration file.
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#
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# If the administrator changes their answers to any of these debconf
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# questions in the same run as a change to the template, then they'll
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# get a spurious ucf conflict. To fix this, we'd need to keep track of
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# the old answers, substitute the old answers into $tmp_default_grub,
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# and substitute the new answers into /etc/default/grub. Fortunately,
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# debconf won't normally ask these questions again during an upgrade, so
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# this should be rare in practice.
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conf_files="$tmp_default_grub /etc/default/grub"
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apply_conf_tweaks "$conf_files" merge_debconf_into_conf GRUB_CMDLINE_LINUX grub2/linux_cmdline
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apply_conf_tweaks "$conf_files" merge_debconf_into_conf GRUB_CMDLINE_LINUX_DEFAULT grub2/linux_cmdline_default
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# Horrible stuff here, as the os-prober option is a negative
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# setting (GRUB_DISABLE_OS_PROBER). To not confuse people with
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# double negative questions in templates, invert it here.
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db_get grub2/enable_os_prober
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if [ "$RET" = false ]; then
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# enable == false -> put in place the commented-out default
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# #GRUB_DISABLE_OS_PROBER=false that we ship with
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apply_conf_tweaks "$conf_files" sed_conf 's/^.*GRUB_DISABLE_OS_PROBER.*$/#GRUB_DISABLE_OS_PROBER=false/'
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else
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# enable == true -> put in place a valid GRUB_DISABLE_OS_PROBER=false
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apply_conf_tweaks "$conf_files" sed_conf 's/^.*GRUB_DISABLE_OS_PROBER.*$/GRUB_DISABLE_OS_PROBER=false/'
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fi
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case @PACKAGE@ in
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grub-pc)
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apply_conf_tweaks "$conf_files" merge_debconf_into_conf GRUB_TIMEOUT grub-pc/timeout
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apply_conf_tweaks "$conf_files" sed_conf 's/^(GRUB_TIMEOUT=)"([0-9][0-9]*)"/\1\2/'
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db_get grub-pc/hidden_timeout
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if [ "$RET" = false ]; then
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apply_conf_tweaks "$conf_files" sed_conf 's/^GRUB_HIDDEN_TIMEOUT=/#&/'
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fi
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;;
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grub-ieee1275)
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if grep ^platform /proc/cpuinfo | grep -q PowerNV; then
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cat <<-EOF >>"$tmp_default_grub"
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# Disable os-prober for ppc64el on the PowerNV platform (for Petitboot)
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GRUB_DISABLE_OS_PROBER=true
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EOF
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fi
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;;
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esac
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# If the template configuration file hasn't changed, then no conflict is
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# possible. ucf can't figure this out for itself since we apply
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# debconf-based customisations on top of the template configuration
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# file.
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if [ -e /var/lib/grub/ucf/grub.previous ] && \
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cmp -s /usr/share/grub/default/grub /var/lib/grub/ucf/grub.previous && \
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[ -e /etc/default/grub ]; then
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ucf_env=UCF_FORCE_CONFFOLD=1
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else
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ucf_env=
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fi
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env $ucf_env ucf --three-way --debconf-ok --sum-file=/usr/share/grub/default/grub.md5sum "$tmp_default_grub" /etc/default/grub
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cp -aZ /usr/share/grub/default/grub /var/lib/grub/ucf/grub.previous
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package="$(ucfq --with-colons /etc/default/grub | cut -d : -f 2)"
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if echo $package | grep -q "^grub-" ; then
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ucfr --force @PACKAGE@ /etc/default/grub
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else
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ucfr @PACKAGE@ /etc/default/grub
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fi
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case @PACKAGE@ in
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grub-pc)
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fix_mixed_system=
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if test -e /boot/grub/stage2 && test -e /boot/grub/menu.lst && \
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! test -e /boot/grub/grub2-installed && \
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test -z "$UPGRADE_FROM_GRUB_LEGACY"; then
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# Unfortunately, it's still possible that the user upgraded fully
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# to GRUB 2 in some way other than running
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# upgrade-from-grub-legacy; perhaps they ran grub-install by hand
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# for some reason. It's really quite difficult to detect this
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# situation, because the only difference between this and a
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# working chainloaded setup is that in this case grub-setup has
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# been run. So, to try to tell the difference, we scan the boot
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# sectors of all disks for a GRUB 2 boot sector. Hopefully this
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# won't cause too much to explode, since I can't think of a better
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# method.
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grub2_disks=
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for disk in $(all_disks); do
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if scan_grub2 "$disk"; then
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grub2_disks="${grub2_disks:+$grub2_disks }$(readlink -f "$disk")"
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fi
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done
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if [ "$grub2_disks" ]; then
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# No || true here; it's vital that the user sees this, and it's
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# better to throw an error than to do the wrong thing.
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db_subst grub-pc/mixed_legacy_and_grub2 DISKS "$grub2_disks"
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db_fset grub-pc/mixed_legacy_and_grub2 seen false
|
|
db_input critical grub-pc/mixed_legacy_and_grub2
|
|
db_go
|
|
db_get grub-pc/mixed_legacy_and_grub2
|
|
if [ "$RET" = true ]; then
|
|
db_reset grub-pc/install_devices
|
|
UPGRADE_FROM_GRUB_LEGACY=1
|
|
fix_mixed_system=1
|
|
# Fall through to normal installation logic.
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
# Make sure that Wubi users never see confusing device prompts.
|
|
# Wubi is a very specialised hack that does complicated things with
|
|
# grub-install diversions to create an image that's chained from the
|
|
# Windows boot loader to boot an operating system from a file on a
|
|
# Windows file system. In these circumstances, prompting for where
|
|
# to install GRUB is not going to help anyone.
|
|
wubi_device="$(get_wubi_device)" || true
|
|
if [ "$wubi_device" ]; then
|
|
db_set grub-pc/install_devices "$wubi_device"
|
|
db_fset grub-pc/install_devices seen true
|
|
fi
|
|
|
|
if test -e /boot/grub/stage2 && test -e /boot/grub/menu.lst && \
|
|
! test -e /boot/grub/grub2-installed && \
|
|
test -z "$UPGRADE_FROM_GRUB_LEGACY"; then
|
|
db_get grub-pc/chainload_from_menu.lst
|
|
if $RET ; then
|
|
# Create core.img (but do not risk writing to MBR).
|
|
# Using grub-probe instead of "(hd0)" avoids (UUID=) hack slowness
|
|
# in case /boot/grub is not on (hd0) in device.map.
|
|
echo "Generating core.img" >&2
|
|
grub-install --target=i386-pc --no-floppy --grub-setup=/bin/true "$(grub-probe -t drive /boot/grub)" > /dev/null
|
|
|
|
# Update menu.lst to reflect that:
|
|
# - core.img is present now
|
|
# - core.img has to be the first option
|
|
echo "Saving menu.lst backup in /boot/grub/menu.lst_backup_by_grub2_postinst" >&2
|
|
cp /boot/grub/menu.lst{,_backup_by_grub2_postinst}
|
|
echo "Running update-grub Legacy to hook our core.img in it" >&2
|
|
LET_US_TRY_GRUB_2=true /usr/lib/grub-legacy/update-grub 2>&1 | sed -e "s/^/ /g" >&2
|
|
# We just hooked GRUB 2 in menu.lst; then also generate grub.cfg.
|
|
touch /boot/grub/grub.cfg
|
|
fi
|
|
elif running_in_container; then
|
|
# Skip grub-install in containers.
|
|
:
|
|
elif test -e /boot/grub/core.img || \
|
|
test -e /boot/grub/@FIRST_CPU_PLATFORM@/core.img || \
|
|
test "$UPGRADE_FROM_GRUB_LEGACY" || test "$wubi_device"; then
|
|
question=grub-pc/install_devices
|
|
priority=high
|
|
device_map="$(grub-mkdevicemap -m - | grep -v '^(fd[0-9]\+)' || true)"
|
|
devices="$(echo "$device_map" | cut -f2)"
|
|
db_get grub-pc/install_devices
|
|
valid=1
|
|
for device in $RET; do
|
|
if [ ! -e "${device%,}" ]; then
|
|
valid=0
|
|
break
|
|
fi
|
|
done
|
|
if [ "$valid" = 0 ]; then
|
|
question=grub-pc/install_devices_disks_changed
|
|
priority=critical
|
|
db_set "$question" "$RET"
|
|
db_fset "$question" seen false
|
|
db_fset grub-pc/install_devices_empty seen false
|
|
fi
|
|
|
|
while :; do
|
|
ids=
|
|
descriptions=
|
|
partitions="$(usable_partitions)"
|
|
for device in $devices; do
|
|
disk_id="$(device_to_id "$device" || true)"
|
|
if [ "$disk_id" ]; then
|
|
ids="${ids:+$ids, }$disk_id"
|
|
describe_disk "$(readlink -f "$device")" "$disk_id"
|
|
RET="$(printf %s "$RET" | sed 's/,/\\,/g')"
|
|
descriptions="${descriptions:+$descriptions, }$RET"
|
|
for partition_pair in $partitions; do
|
|
partition_id="${partition_pair#*:}"
|
|
if [ "${partition_id#$disk_id-part}" != "$partition_id" ]; then
|
|
ids="${ids:+$ids, }$partition_id"
|
|
describe_partition "$(readlink -f "$device")" "$(readlink -f "$partition_id")" "$partition_id" "$(get_mountpoint "${partition_pair%%:*}")"
|
|
RET="$(printf %s "$RET" | sed 's/,/\\,/g')"
|
|
descriptions="${descriptions:+$descriptions, }$RET"
|
|
fi
|
|
done
|
|
fi
|
|
done
|
|
# Some "partitions" may in fact be at the disk level, e.g. RAID.
|
|
# List these as well if they haven't already been listed.
|
|
for partition_pair in $partitions; do
|
|
partition_id="${partition_pair#*:}"
|
|
if [ "${partition_id#*-part}" = "$partition_id" ]; then
|
|
case ", $ids, " in
|
|
", $partition_id, ") ;;
|
|
*)
|
|
ids="${ids:+$ids, }$partition_id"
|
|
describe_disk "$(readlink -f "$partition_id")" "$partition_id"
|
|
RET="$(printf %s "$RET" | sed 's/,/\\,/g')"
|
|
descriptions="${descriptions:+$descriptions, }$RET"
|
|
;;
|
|
esac
|
|
fi
|
|
done
|
|
db_subst "$question" RAW_CHOICES "$ids"
|
|
db_subst "$question" CHOICES "$descriptions"
|
|
db_input "$priority" "$question" || true
|
|
db_go
|
|
db_get "$question"
|
|
failed_devices=
|
|
echo "@PACKAGE@: Running grub-install ..."
|
|
for i in $RET; do
|
|
real_device="$(readlink -f "${i%,}")"
|
|
if [ ! -e "$real_device" ]; then
|
|
echo "$real_device does not exist, so cannot grub-install to it!" >&2
|
|
failed_devices="$failed_devices $real_device"
|
|
else
|
|
if grub-install --target=i386-pc --force --no-floppy $real_device ; then
|
|
echo " grub-install success for $real_device"
|
|
# We just installed GRUB 2; then also generate grub.cfg.
|
|
touch /boot/grub/grub.cfg
|
|
else
|
|
echo " grub-install failure for $real_device"
|
|
failed_devices="$failed_devices $real_device"
|
|
fi
|
|
fi
|
|
done
|
|
|
|
if [ "$question" != grub-pc/install_devices ] && [ "$RET" ]; then
|
|
# XXX cjwatson 2019-02-26: The description of
|
|
# grub-pc/install_devices_disks_changed ought to explain that
|
|
# selecting no devices will leave the configuration unchanged
|
|
# so that you'll be prompted again next time, but it's a bit
|
|
# close to the Debian 10 release to be introducing new
|
|
# translatable text. For now, it should be sufficient to
|
|
# avoid losing configuration data.
|
|
db_set grub-pc/install_devices "$RET"
|
|
db_fset grub-pc/install_devices seen true
|
|
fi
|
|
|
|
if [ "$failed_devices" ]; then
|
|
if [ "$UPGRADE_FROM_GRUB_LEGACY" ]; then
|
|
db_subst grub-pc/install_devices_failed_upgrade FAILED_DEVICES "$failed_devices"
|
|
db_fset grub-pc/install_devices_failed_upgrade seen false
|
|
if db_input critical grub-pc/install_devices_failed_upgrade; then
|
|
db_go
|
|
db_get grub-pc/install_devices_failed_upgrade
|
|
if [ "$RET" = true ]; then
|
|
db_fset "$question" seen false
|
|
db_fset grub-pc/install_devices_failed_upgrade seen false
|
|
continue
|
|
else
|
|
exit 1
|
|
fi
|
|
else
|
|
echo "You must correct your GRUB install devices before proceeding:" >&2
|
|
echo >&2
|
|
echo " DEBIAN_FRONTEND=dialog dpkg --configure grub-pc" >&2
|
|
echo " dpkg --configure -a" >&2
|
|
exit 1 # noninteractive
|
|
fi
|
|
else
|
|
db_subst grub-pc/install_devices_failed FAILED_DEVICES "$failed_devices"
|
|
db_fset grub-pc/install_devices_failed seen false
|
|
if db_input critical grub-pc/install_devices_failed; then
|
|
db_go
|
|
db_get grub-pc/install_devices_failed
|
|
if [ "$RET" = true ]; then
|
|
break
|
|
else
|
|
db_fset "$question" seen false
|
|
db_fset grub-pc/install_devices_failed seen false
|
|
continue
|
|
fi
|
|
else
|
|
echo "You must correct your GRUB install devices before proceeding:" >&2
|
|
echo >&2
|
|
echo " DEBIAN_FRONTEND=dialog dpkg --configure grub-pc" >&2
|
|
echo " dpkg --configure -a" >&2
|
|
exit 1 # noninteractive
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
db_get "$question"
|
|
if [ -z "$RET" ]; then
|
|
# Reset the seen flag if the current answer is false, since
|
|
# otherwise we'll loop with no indication of why.
|
|
db_get grub-pc/install_devices_empty
|
|
if [ "$RET" = false ]; then
|
|
db_fset grub-pc/install_devices_empty seen false
|
|
fi
|
|
if db_input critical grub-pc/install_devices_empty; then
|
|
db_go
|
|
db_get grub-pc/install_devices_empty
|
|
if [ "$RET" = true ]; then
|
|
break
|
|
else
|
|
db_fset "$question" seen false
|
|
db_fset grub-pc/install_devices_empty seen false
|
|
fi
|
|
else
|
|
db_get grub-pc/install_devices_empty
|
|
if [ "$RET" = true ]; then
|
|
break
|
|
else
|
|
echo "You must correct your GRUB install devices before proceeding:" >&2
|
|
echo >&2
|
|
echo " DEBIAN_FRONTEND=dialog dpkg --configure grub-pc" >&2
|
|
echo " dpkg --configure -a" >&2
|
|
exit 1 # noninteractive
|
|
fi
|
|
fi
|
|
else
|
|
break
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# /boot/grub/ has more chances of being accessible by GRUB
|
|
for i in /usr/share/grub/unicode.pf2 ; do
|
|
if test -e $i ; then
|
|
cp $i /boot/grub/
|
|
fi
|
|
done
|
|
|
|
if [ "$fix_mixed_system" ]; then
|
|
# These never contain any valuable information, and they aren't
|
|
# useful for boot any more, since we just overwrote MBR/PBR.
|
|
rm -f /boot/grub/{{xfs,reiserfs,e2fs,fat,jfs,minix}_stage1_5,stage{1,2}}
|
|
# Remove marker file used to indicate that grub-install was run
|
|
# rather than upgrade-from-grub-legacy. Since stage2 has been
|
|
# removed, we don't need this any more.
|
|
rm -f /boot/grub/grub2-installed
|
|
fi
|
|
;;
|
|
|
|
grub-efi-ia32|grub-efi-amd64|grub-efi-ia64|grub-efi-arm|grub-efi-arm64|grub-efi-riscv64|grub-efi-loong64)
|
|
bootloader_id="$(config_item GRUB_DISTRIBUTOR | tr A-Z a-z | \
|
|
cut -d' ' -f1)"
|
|
case $bootloader_id in
|
|
kubuntu) bootloader_id=ubuntu ;;
|
|
devuan) bootloader_id=debian ;;
|
|
esac
|
|
case @PACKAGE@ in
|
|
grub-efi-ia32) target=i386-efi ;;
|
|
grub-efi-amd64) target=x86_64-efi ;;
|
|
grub-efi-ia64) target=ia64-efi ;;
|
|
grub-efi-arm) target=arm-efi ;;
|
|
grub-efi-arm64) target=arm64-efi ;;
|
|
grub-efi-riscv64) target=riscv64-efi ;;
|
|
grub-efi-loong64) target=loongarch64-efi ;;
|
|
esac
|
|
if [ "$bootloader_id" ] && [ -e "/boot/grub/$target/core.efi" ]; then
|
|
db_get grub2/force_efi_extra_removable
|
|
if [ "$RET" = true ]; then
|
|
FORCE_EXTRA_REMOVABLE="--force-extra-removable"
|
|
fi
|
|
NO_NVRAM="$(no_nvram_arg)"
|
|
run_grub_install --target="$target" "$FORCE_EXTRA_REMOVABLE" "$NO_NVRAM"
|
|
fi
|
|
|
|
# /boot/grub/ has more chances of being accessible by GRUB
|
|
for i in /usr/share/grub/unicode.pf2 ; do
|
|
if test -e $i ; then
|
|
cp $i /boot/grub/
|
|
fi
|
|
done
|
|
|
|
if type update-secureboot-policy >/dev/null 2>&1; then
|
|
update-secureboot-policy || true
|
|
fi
|
|
;;
|
|
|
|
grub-ieee1275)
|
|
case $(dpkg --print-architecture) in
|
|
powerpc|ppc64|ppc64el)
|
|
# Output may be empty; if so, just update the core image but
|
|
# don't install it to any PReP partition.
|
|
prep_bootdev="$(/usr/lib/grub/powerpc-ieee1275/prep-bootdev)"
|
|
NO_NVRAM="$(no_nvram_arg)"
|
|
run_grub_install --target=powerpc-ieee1275 $prep_bootdev "$NO_NVRAM"
|
|
;;
|
|
esac
|
|
;;
|
|
|
|
grub-yeeloong)
|
|
run_grub_install --target=mipsel-loongson
|
|
;;
|
|
|
|
grub-xen)
|
|
# Install for x86_64 regardless of arch, since a 32-bit userspace can still boot with a 64-bit kernel.
|
|
mkdir -p /boot/xen
|
|
run_grub_install --target=x86_64-xen
|
|
case $(dpkg --print-architecture) in
|
|
i386)
|
|
run_grub_install --target=i386-xen
|
|
;;
|
|
esac
|
|
# Similarly, the PVH boot loader is usable regardless of arch.
|
|
run_grub_install --target=i386-xen_pvh
|
|
;;
|
|
esac
|
|
|
|
# If grub.cfg has been generated, update it.
|
|
if test -e /boot/grub/grub.cfg && ! running_in_container; then
|
|
update-grub 3>&-
|
|
fi
|
|
;;
|
|
abort-upgrade|abort-remove|abort-deconfigure)
|
|
;;
|
|
*)
|
|
echo "postinst called with unknown argument \`$1'" >&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
# dh_installdeb will replace this with shell code automatically
|
|
# generated by other debhelper scripts.
|
|
|
|
#DEBHELPER#
|
|
|
|
exit 0
|