diff options
Diffstat (limited to 'debian/postinst.in')
| -rw-r--r-- | debian/postinst.in | 796 |
1 files changed, 796 insertions, 0 deletions
diff --git a/debian/postinst.in b/debian/postinst.in new file mode 100644 index 0000000..68f635b --- /dev/null +++ b/debian/postinst.in @@ -0,0 +1,796 @@ +#!/bin/bash +set -e + +# Apply a sed expression using extended regular expressions in place to a +# file, if it exists. The file is the first argument in order to work +# neatly with apply_conf_tweaks. +sed_conf() +{ + if [ -e "$1" ]; then + sed -i -re "$2" "$1" + fi +} + +# Substitute a debconf answer into a configuration file with the syntax of +# /etc/default/grub. +merge_debconf_into_conf() +{ + local tmpfile; tmpfile="$1" + local setting; setting="$2" + local template; template="$3" + + db_get "$template" + local value; value="$(echo "$RET" | sed -e 's,[$`"\],\\&,g')" + if grep -q "^${setting}=" "$tmpfile"; then + value="$(echo "$value" | sed -e 's,[\@],\\&,g')" + sed -i -re "s@^(${setting}=).*@\1\"${value}\"@" "$tmpfile" + else + echo >> "$tmpfile" + echo "${setting}=\"${value}\"" >> "$tmpfile" + fi +} + +# Apply the same configuration tweak to multiple files. +apply_conf_tweaks() +{ + local files; files="$1" + local cmd; cmd="$2" + local file + shift 2 + + for file in $files; do + if [ -e "$file" ]; then + "$cmd" "$file" "$@" + fi + done +} + +get_wubi_device() +{ + if [ ! -x /usr/share/lupin-support/grub-mkimage ] || \ + ! /usr/share/lupin-support/grub-mkimage --test; then + return 1 + fi + + local bootdev="$(grub-probe --target=device /boot)" || true + local loop_file= + case $bootdev in + /dev/loop/*|/dev/loop[0-9]) + loop_file="$(losetup "$bootdev" | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/")" + # If it's loop-mounted from another device, it isn't Wubi. + case $loop_file in + /dev/*) return 1 ;; + esac + ;; + *) return 1 ;; + esac + + echo "$bootdev" +} + +# This only works on a Linux system with udev running. This is probably the +# vast majority of systems where we need any of this, though, and we fall +# back reasonably gracefully if we don't have it. +cached_available_ids= +available_ids() +{ + local id path + + if [ "$cached_available_ids" ]; then + echo "$cached_available_ids" + return + fi + + [ -d /dev/disk/by-id ] || return + cached_available_ids="$( + for path in /dev/disk/by-id/*; do + [ -e "$path" ] || continue + printf '%s %s\n' "$path" "$(readlink -f "$path")" + done | sort -k2 -s -u | cut -d' ' -f1 + )" + echo "$cached_available_ids" +} + +# Returns non-zero and no output if no mapping can be found. +device_to_id() +{ + local id + for id in $(available_ids); do + if [ "$(readlink -f "$id")" = "$(readlink -f "$1")" ]; then + echo "$id" + return 0 + fi + done + # Fall back to the plain device name if there's no by-id link for it. + if [ -e "$1" ]; then + echo "$1" + return 0 + fi + return 1 +} + +all_disks() +{ + local id + for id in $(available_ids); do + case $id in + *-part*) ;; + *) echo "$id" ;; + esac + done +} + +all_partitions() +{ + local id ids + ids= + for id in $(available_ids); do + if [ "$id" != "$1" ] && [ "${id%-part*}" = "$1" ]; then + ids="${ids:+$ids }$id" + fi + done + echo "$ids" +} + +# In order to determine whether we accidentally ran grub-install without +# upgrade-from-grub-legacy on versions older than 1.98+20100617-1, we need +# to be able to scan a disk to determine whether GRUB 2 was installed in its +# boot sector. This is specific to i386-pc (but that's the only platform +# where we need it). +scan_grub2() +{ + if ! dd if="$1" bs=512 count=1 2>/dev/null | grep -aq GRUB; then + # No version of GRUB is installed. + return 1 + fi + + # The GRUB boot sector always starts with a JMP instruction. + initial_jmp="$(dd if="$1" bs=2 count=1 2>/dev/null | od -Ax -tx1 | \ + head -n1 | cut -d' ' -f2,3)" + [ "$initial_jmp" ] || return 1 + initial_jmp_opcode="${initial_jmp%% *}" + [ "$initial_jmp_opcode" = eb ] || return 1 + initial_jmp_operand="${initial_jmp#* }" + case $initial_jmp_operand in + 47|4b|4c|63) + # I believe this covers all versions of GRUB 2 up to the package + # version where we gained a more explicit mechanism. GRUB Legacy + # always had 48 here. + return 0 + ;; + esac + + return 1 +} + +# for Linux +sysfs_size() +{ + local num_sectors sector_size size + # Try to find out the size without relying on a partitioning tool being + # installed. This isn't too hard on Linux 2.6 with sysfs, but we have to + # try a couple of variants on detection of the sector size. + if [ -e "$1/size" ]; then + num_sectors="$(cat "$1/size")" + sector_size=512 + if [ -e "$1/queue/logical_block_size" ]; then + sector_size="$(cat "$1/queue/logical_block_size")" + elif [ -e "$1/queue/hw_sector_size" ]; then + sector_size="$(cat "$1/queue/hw_sector_size")" + fi + size="$(expr "$num_sectors" \* "$sector_size" / 1000 / 1000)" + fi + [ "$size" ] || size='???' + echo "$size" +} + +# for kFreeBSD +camcontrol_size() +{ + local num_sectors sector_size size= + + if num_sectors="$(camcontrol readcap "$1" -q -s -N)"; then + sector_size="$(camcontrol readcap "$1" -q -b)" + size="$(expr "$num_sectors" \* "$sector_size" / 1000 / 1000)" + fi + + [ "$size" ] || size='???' + echo "$size" +} + +maybe_udevadm() +{ + if command -v udevadm >/dev/null 2>&1; then + udevadm "$@" || true + fi +} + +# Returns value in $RET, like a debconf command. +describe_disk() +{ + local disk id sysfs_path disk_basename size model + disk="$1" + id="$2" + + model= + case $(uname -s) in + Linux) + sysfs_path="$(maybe_udevadm info -n "$disk" -q path)" + if [ -z "$sysfs_path" ]; then + sysfs_path="/block/$(printf %s "${disk#/dev/}" | sed 's,/,!,g')" + fi + size="$(sysfs_size "/sys$sysfs_path")" + + model="$(maybe_udevadm info -n "$disk" -q property | sed -n 's/^ID_MODEL=//p')" + if [ -z "$model" ]; then + model="$(maybe_udevadm info -n "$disk" -q property | sed -n 's/^DM_NAME=//p')" + if [ -z "$model" ]; then + model="$(maybe_udevadm info -n "$disk" -q property | sed -n 's/^MD_NAME=//p')" + if [ -z "$model" ] && command -v dmsetup >/dev/null 2>&1; then + model="$(dmsetup info -c --noheadings -o name "$disk" 2>/dev/null || true)" + fi + fi + fi + ;; + GNU/kFreeBSD) + disk_basename=$(basename "$disk") + size="$(camcontrol_size "$disk_basename")" + model="$(camcontrol inquiry "$disk_basename" | sed -ne "s/^pass0: <\([^>]*\)>.*/\1/p")" + ;; + esac + + [ "$model" ] || model='???' + + db_subst grub-pc/disk_description DEVICE "$disk" + db_subst grub-pc/disk_description SIZE "$size" + db_subst grub-pc/disk_description MODEL "$model" + db_metaget grub-pc/disk_description description +} + +# Returns value in $RET, like a debconf command. +describe_partition() +{ + local disk part id path sysfs_path diskbase partbase size + disk="$1" + part="$2" + id="$3" + path="$4" + + sysfs_path="$(maybe_udevadm info -n "$part" -q path)" + if [ -z "$sysfs_path" ]; then + diskbase="${disk#/dev/}" + diskbase="$(printf %s "$diskbase" | sed 's,/,!,g')" + partbase="${part#/dev/}" + partbase="$(printf %s "$partbase" | sed 's,/,!,g')" + sysfs_path="/block/$diskbase/$partbase" + fi + size="$(sysfs_size "/sys$sysfs_path")" + + db_subst grub-pc/partition_description DEVICE "$part" + db_subst grub-pc/partition_description SIZE "$size" + db_subst grub-pc/partition_description PATH "$path" + db_metaget grub-pc/partition_description description +} + +usable_partitions() +{ + local last_partition path partition partition_id + + last_partition= + for path in / /boot /boot/grub; do + partition="$(grub-probe -t device "$path" || true)" + if [ -z "$partition" ] || [ "$partition" = "$last_partition" ]; then + continue + fi + partition_id="$(device_to_id "$partition" || true)" + echo "$path:$partition_id" + last_partition="$partition" + done | sort -t: -k2 +} + +get_mountpoint() +{ + local relpath boot_mountpoint + + relpath="$(grub-mkrelpath "$1")" + boot_mountpoint="${1#$relpath}" + echo "${boot_mountpoint:-/}" +} + +config_item() +{ + for x in /etc/default/grub /etc/default/grub.d/*.cfg; do + if [ -e "$x" ]; then + # Lose any output here so we don't confuse our + # caller. The xen packages echo stuff here, Aargh! + . "$x" > /dev/null + fi + done + if [ "$(eval echo "\${$1+set}")" = set ]; then + eval echo "\$$1" + else + return + fi +} + +running_in_container() +{ + type systemd-detect-virt >/dev/null 2>&1 && systemd-detect-virt --quiet --container +} + +no_nvram_arg() { + db_get grub2/update_nvram + if [ "$RET" = false ]; then + echo "--no-nvram" + fi +} + +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 "$1" in + configure) + . /usr/share/debconf/confmodule + + devicemap_regenerated= + + if egrep -q '^[[:space:]]*post(inst|rm)_hook[[:space:]]*=[[:space:]]*(/sbin/|/usr/sbin/)?update-grub' /etc/kernel-img.conf 2>/dev/null; then + echo 'Removing update-grub hooks from /etc/kernel-img.conf in favour of' >&2 + echo '/etc/kernel/ hooks.' >&2 + sed -ri /etc/kernel-img.conf -e '\%^[[:space:]]*post(inst|rm)_hook[[:space:]]*=[[:space:]]*(/sbin/|/usr/sbin/)?update-grub%d' + fi + + mkdir -p /boot/grub + + case @PACKAGE@ in + grub-pc) + if test -e /boot/grub/device.map && ! test -e /boot/grub/core.img && \ + ! test -e /boot/grub/@FIRST_CPU_PLATFORM@/core.img; then + # Looks like your device.map was generated by GRUB Legacy, which + # used to generate broken device.map (see #422851). Avoid the risk + # by regenerating it. + grub-mkdevicemap --no-floppy + devicemap_regenerated=1 + fi + ;; + esac + + if test -z "$devicemap_regenerated" && \ + dpkg --compare-versions "$2" lt-nl 1.99~20101210-2 && \ + grep -qs /md-uuid- /boot/grub/device.map; then + echo "Removing MD devices from device.map, since the BIOS cannot read from these." >&2 + sed -i '/\/md-uuid-/d' /boot/grub/device.map + fi + + tmp_default_grub="$(mktemp -t grub.XXXXXXXXXX)" + trap "rm -f ${tmp_default_grub}" EXIT + cp -p /usr/share/grub/default/grub ${tmp_default_grub} + + # Apply configuration from debconf to both the template configuration + # file (so that any ucf conflict resolution is shown with the configured + # values in place) and to /etc/default/grub (in order that debconf + # changes are effective even if we have to use UCF_FORCE_CONFFOLD=1). + # + # The config script takes care to read current values from + # /etc/default/grub before possibly prompting the user to change them, + # so this should comply with policy's strictures on configuration file + # handling: the debconf prompts constitute an explicit administrator + # request to change the configuration file. + # + # If the administrator changes their answers to any of these debconf + # questions in the same run as a change to the template, then they'll + # get a spurious ucf conflict. To fix this, we'd need to keep track of + # the old answers, substitute the old answers into $tmp_default_grub, + # and substitute the new answers into /etc/default/grub. Fortunately, + # debconf won't normally ask these questions again during an upgrade, so + # this should be rare in practice. + + conf_files="$tmp_default_grub /etc/default/grub" + + apply_conf_tweaks "$conf_files" merge_debconf_into_conf GRUB_CMDLINE_LINUX grub2/linux_cmdline + apply_conf_tweaks "$conf_files" merge_debconf_into_conf GRUB_CMDLINE_LINUX_DEFAULT grub2/linux_cmdline_default + + # Horrible stuff here, as the os-prober option is a negative + # setting (GRUB_DISABLE_OS_PROBER). To not confuse people with + # double negative questions in templates, invert it here. + db_get grub2/enable_os_prober + if [ "$RET" = false ]; then + # enable == false -> put in place the commented-out default + # #GRUB_DISABLE_OS_PROBER=false that we ship with + apply_conf_tweaks "$conf_files" sed_conf 's/^.*GRUB_DISABLE_OS_PROBER.*$/#GRUB_DISABLE_OS_PROBER=false/' + else + # enable == true -> put in place a valid GRUB_DISABLE_OS_PROBER=false + apply_conf_tweaks "$conf_files" sed_conf 's/^.*GRUB_DISABLE_OS_PROBER.*$/GRUB_DISABLE_OS_PROBER=false/' + fi + + case @PACKAGE@ in + grub-pc) + apply_conf_tweaks "$conf_files" merge_debconf_into_conf GRUB_TIMEOUT grub-pc/timeout + apply_conf_tweaks "$conf_files" sed_conf 's/^(GRUB_TIMEOUT=)"([0-9][0-9]*)"/\1\2/' + db_get grub-pc/hidden_timeout + if [ "$RET" = false ]; then + apply_conf_tweaks "$conf_files" sed_conf 's/^GRUB_HIDDEN_TIMEOUT=/#&/' + fi + ;; + esac + + # If the template configuration file hasn't changed, then no conflict is + # possible. ucf can't figure this out for itself since we apply + # debconf-based customisations on top of the template configuration + # file. + if [ -e /var/lib/grub/ucf/grub.previous ] && \ + cmp -s /usr/share/grub/default/grub /var/lib/grub/ucf/grub.previous && \ + [ -e /etc/default/grub ]; then + ucf_env=UCF_FORCE_CONFFOLD=1 + else + ucf_env= + fi + + env $ucf_env ucf --three-way --debconf-ok --sum-file=/usr/share/grub/default/grub.md5sum "$tmp_default_grub" /etc/default/grub + cp -aZ /usr/share/grub/default/grub /var/lib/grub/ucf/grub.previous + package="$(ucfq --with-colons /etc/default/grub | cut -d : -f 2)" + if echo $package | grep -q "^grub-" ; then + ucfr --force @PACKAGE@ /etc/default/grub + else + ucfr @PACKAGE@ /etc/default/grub + fi + + case @PACKAGE@ in + grub-pc) + + fix_mixed_system= + if test -e /boot/grub/stage2 && test -e /boot/grub/menu.lst && \ + ! test -e /boot/grub/grub2-installed && \ + test -z "$UPGRADE_FROM_GRUB_LEGACY"; then + # Unfortunately, it's still possible that the user upgraded fully + # to GRUB 2 in some way other than running + # upgrade-from-grub-legacy; perhaps they ran grub-install by hand + # for some reason. It's really quite difficult to detect this + # situation, because the only difference between this and a + # working chainloaded setup is that in this case grub-setup has + # been run. So, to try to tell the difference, we scan the boot + # sectors of all disks for a GRUB 2 boot sector. Hopefully this + # won't cause too much to explode, since I can't think of a better + # method. + grub2_disks= + for disk in $(all_disks); do + if scan_grub2 "$disk"; then + grub2_disks="${grub2_disks:+$grub2_disks }$(readlink -f "$disk")" + fi + done + if [ "$grub2_disks" ]; then + # No || true here; it's vital that the user sees this, and it's + # better to throw an error than to do the wrong thing. + db_subst grub-pc/mixed_legacy_and_grub2 DISKS "$grub2_disks" + 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) + bootloader_id="$(config_item GRUB_DISTRIBUTOR | tr A-Z a-z | \ + cut -d' ' -f1)" + case $bootloader_id in + kubuntu) bootloader_id=ubuntu ;; + devuan) bootloader_id=debian ;; + esac + if [ "$bootloader_id" ] && [ -d "/boot/efi/EFI/$bootloader_id" ]; then + case @PACKAGE@ in + grub-efi-ia32) target=i386-efi ;; + grub-efi-amd64) target=x86_64-efi ;; + grub-efi-ia64) target=ia64-efi ;; + grub-efi-arm) target=arm-efi ;; + grub-efi-arm64) target=arm64-efi ;; + esac + db_get grub2/force_efi_extra_removable + if [ "$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 |