#!/bin/sh
-. usr/share/os-prober/common.sh
+. /usr/share/os-prober/common.sh
set -e
partition="$1"
# strip all of: --option=abcd --option='ab cd' --option="ab cd" menuentry { command block
# and everything else except the first quoted string or non-space word
# and remove any : from the remaining title
- title=$( printf "%s" "$line" | sed -n "s/^[[:blank:]]*//; p" )
- title=$( printf "%s" "$title" | sed -n "s/--[^ ]*=\(\([\"']\)[^\"']*\2 \|[^ ]* \)//g; p" )
- title=$( printf "%s" "$title" | sed -n "s/{//; p" )
- title=$( printf "%s" "$title" | sed -n "s/menuentry//; p" )
- title=$( printf "%s" "$title" | sed -n "s/^[ ]*\(\([\"']\{1\}\)\(.*\)\2\|\([^\"' ][^ ]*\)\).*/\3\4/; p" )
- title=$( printf "%s" "$title" | sed -n "s/\\\\'//; p" )
- title=$( printf "%s" "$title" | sed -n "s/''//; p" )
- title=$( printf "%s" "$title" | sed -n "s/://g; p" )
+ title=$( printf '%s' "$line" | sed -n "s/^[[:blank:]]*//; p" )
+ title=$( printf '%s' "$title" | sed -n "s/--[^ ]*=\(\([\"']\)[^\"']*\2 \|[^ ]* \)//g; p" )
+ title=$( printf '%s' "$title" | sed -n "s/{//; p" )
+ title=$( printf '%s' "$title" | sed -n "s/menuentry//; p" )
+ title=$( printf '%s' "$title" | sed -n "s/^[ ]*\(\([\"']\{1\}\)\(.*\)\2\|\([^\"' ][^ ]*\)\).*/\3\4/; p" )
+ title=$( printf '%s' "$title" | sed -n "s/\\\\'//; p" )
+ title=$( printf '%s' "$title" | sed -n "s/''//; p" )
+ title=$( printf '%s' "$title" | sed -n "s/://g; p" )
if [ -z "$title" ]; then
echo "No title: $line"
ignore_item=1
+++ /dev/null
-#!/bin/sh
-. usr/share/os-prober/common.sh
-set -e
-
-partition="$1"
-bootpart="$2"
-mpoint="$3"
-type="$4"
-
-found_item=0
-
-entry_result () {
- if [ "$ignore_item" = 0 ] && \
- [ -n "$kernel" ] && \
- [ -e "$mpoint/$kernel" ]; then
- result "$rootpart:$bootpart:$title:$kernel:$initrd:$parameters"
- found_item=1
- fi
- kernel=""
- parameters=""
- initrd=""
- title=""
- ignore_item=0
-}
-
-parse_grub_menu () {
- mpoint="$1"
- rootpart="$2"
- bootpart="$3"
-
- kernel=""
- parameters=""
- initrd=""
- title=""
- ignore_item=0
-
- while read line; do
- debug "parsing: $line"
- set -f
- set -- $line
- set +f
- case "$1" in
- menuentry)
- entry_result
- shift 1
- # strip all of: --option=abcd --option='ab cd' --option="ab cd" menuentry { command block
- # and everything else except the first quoted string or non-space word
- # and remove any : from the remaining title
- title=$( printf "%s" "$line" | sed -n "s/^[[:blank:]]*//; p" )
- title=$( printf "%s" "$title" | sed -n "s/--[^ ]*=\(\([\"']\)[^\"']*\2 \|[^ ]* \)//g; p" )
- title=$( printf "%s" "$title" | sed -n "s/{//; p" )
- title=$( printf "%s" "$title" | sed -n "s/menuentry//; p" )
- title=$( printf "%s" "$title" | sed -n "s/^[ ]*\(\([\"']\{1\}\)\(.*\)\2\|\([^\"' ][^ ]*\)\).*/\3\4/; p" )
- title=$( printf "%s" "$title" | sed -n "s/\\\\'//; p" )
- title=$( printf "%s" "$title" | sed -n "s/''//; p" )
- title=$( printf "%s" "$title" | sed -n "s/://g; p" )
- if [ -z "$title" ]; then
- echo "No title: $line"
- ignore_item=1
- elif echo "$title" | grep -q '(on /dev/[^)]*)$'; then
- log "Skipping entry '$title':"
- log "appears to be an automatic reference taken from another menu.lst"
- ignore_item=1
- fi
- ;;
- linux)
- # Hack alert: sed off any (hdn,n) but
- # assume the kernel is on the same
- # partition.
- kernel="$(echo "$2" | sed 's/(.*)//')"
- shift 2
- parameters="$@"
- # Systems with a separate /boot will not have
- # the path to the kernel in grub.cfg.
- if [ "$partition" != "$bootpart" ]; then
- kernel="/boot$kernel"
- fi
- ;;
- initrd)
- initrd="$(echo "$2" | sed 's/(.*)//')"
- # Initrd same.
- if [ "$partition" != "$bootpart" ]; then
- initrd="/boot$initrd"
- fi
- ;;
- "}")
- entry_result
- ;;
- esac
- done
-
- entry_result
-}
-
-if [ -e "$mpoint/boot/grub/grub.cfg" ] && \
- ([ ! -e "$mpoint/boot/grub/menu.lst" ] || \
- [ "$mpoint/boot/grub/grub.cfg" -nt "$mpoint/boot/grub/menu.lst" ]); then
- debug "parsing grub.cfg"
- parse_grub_menu "$mpoint" "$partition" "$bootpart" < "$mpoint/boot/grub/grub.cfg"
-elif [ -e "$mpoint/boot/grub2/grub.cfg" ]; then
- debug "parsing grub.cfg"
- parse_grub_menu "$mpoint" "$partition" "$bootpart" < "$mpoint/boot/grub2/grub.cfg"
-fi
-
-if [ "$found_item" = 0 ]; then
- exit 1
-else
- exit 0
-fi
+++ /dev/null
-newns () {
- [ "$OS_PROBER_NEWNS" ] || exec /usr/lib/os-prober/newns "$0" "$@"
-}
-
-cleanup_tmpdir=false
-cleanup () {
- if $cleanup_tmpdir; then
- rm -rf "$OS_PROBER_TMP"
- fi
-}
-
-require_tmpdir() {
- if [ -z "$OS_PROBER_TMP" ]; then
- if type mktemp >/dev/null 2>&1; then
- export OS_PROBER_TMP="$(mktemp -d /tmp/os-prober.XXXXXX)"
- cleanup_tmpdir=:
- trap cleanup EXIT HUP INT QUIT TERM
- else
- export OS_PROBER_TMP=/tmp
- fi
- fi
-}
-
-count_for() {
- _labelprefix="$1"
- _result=$(grep "^${_labelprefix} " /var/lib/os-prober/labels 2>/dev/null || true)
-
- if [ -z "$_result" ]; then
- return
- else
- echo "$_result" | cut -d' ' -f2
- fi
-}
-
-count_next_label() {
- require_tmpdir
-
- _labelprefix="$1"
- _cfor="$(count_for "${_labelprefix}")"
-
- if [ -z "$_cfor" ]; then
- echo "${_labelprefix} 1" >> /var/lib/os-prober/labels
- else
- sed "s/^${_labelprefix} ${_cfor}/${_labelprefix} $(($_cfor + 1))/" /var/lib/os-prober/labels > "$OS_PROBER_TMP/os-prober.tmp"
- mv "$OS_PROBER_TMP/os-prober.tmp" /var/lib/os-prober/labels
- fi
-
- echo "${_labelprefix}${_cfor}"
-}
-
-progname=
-cache_progname() {
- case $progname in
- '')
- progname="${0##*/}"
- ;;
- esac
-}
-
-log() {
- cache_progname
- logger -t "$progname" "$@"
-}
-
-error() {
- log "error: $@"
-}
-
-warn() {
- log "warning: $@"
-}
-
-debug() {
- if [ -z "$OS_PROBER_DISABLE_DEBUG" ]; then
- log "debug: $@"
- fi
-}
-
-result () {
- log "result:" "$@"
- echo "$@"
-}
-
-# shim to make it easier to use os-prober outside d-i
-if ! type mapdevfs >/dev/null 2>&1; then
- mapdevfs () {
- readlink -f "$1"
- }
-fi
-
-item_in_dir () {
- if [ "$1" = "-q" ]; then
- q="-q"
- shift 1
- else
- q=""
- fi
- [ -d "$2" ] || return 1
- # find files with any case
- ls -1 "$2" | grep $q -i "^$1$"
-}
-
-# We can't always tell the filesystem type up front, but if we have the
-# information then we should use it. Note that we can't use block-attr here
-# as it's only available in udebs.
-# If not detected after different attempts then "NOT-DETECTED" will be printed
-# because function is not supposed to exit error codes.
-fs_type () {
- local fstype=""
- if (export PATH="/lib/udev:$PATH"; type vol_id) >/dev/null 2>&1; then
- PATH="/lib/udev:$PATH" \
- fstype=$(vol_id --type "$1" 2>/dev/null || true)
- [ -z "$fstype" ] || { echo "$fstype"; return; }
- fi
- if type lsblk >/dev/null 2>&1 ; then
- fstype=$(lsblk --nodeps --noheading --output FSTYPE -- "$1" || true)
- [ -z "$fstype" ] || { echo "$fstype"; return; }
- fi
- if type blkid >/dev/null 2>&1; then
- fstype=$(blkid -o value -s TYPE "$1" 2>/dev/null || true)
- [ -z "$fstype" ] || { echo "$fstype"; return; }
- fi
- echo "NOT-DETECTED"
-}
-
-is_dos_extended_partition() {
- if type blkid >/dev/null 2>&1; then
- local output
-
- output="$(blkid -o export $1)"
-
- # old blkid (util-linux << 2.24) errors out on extended p.
- if [ "$?" = "2" ]; then
- return 0
- fi
-
- # dos partition type and no filesystem type?...
- if echo $output | grep -q ' PTTYPE=dos ' &&
- ! echo $output | grep -q ' TYPE='; then
- return 0
- else
- return 1
- fi
- fi
-
- return 1
-}
-
-parse_proc_mounts () {
- while read -r line; do
- set -f
- set -- $line
- set +f
- printf '%s %s %s\n' "$(mapdevfs "$1")" "$2" "$3"
- done
-}
-
-parsefstab () {
- while read -r line; do
- case "$line" in
- "#"*)
- :
- ;;
- *)
- set -f
- set -- $line
- set +f
- printf '%s %s %s\n' "$1" "$2" "$3"
- ;;
- esac
- done
-}
-
-unescape_mount () {
- printf %s "$1" | \
- sed 's/\\011/ /g; s/\\012/\n/g; s/\\040/ /g; s/\\134/\\/g'
-}
-
-find_label () {
- local output
- if type blkid >/dev/null 2>&1; then
- # Hopefully everyone has blkid by now
- output="$(blkid -o device -t LABEL="$1")" || return 1
- echo "$output" | head -n1
- elif [ -h "/dev/disk/by-label/$1" ]; then
- # Last-ditch fallback
- readlink -f "/dev/disk/by-label/$1"
- else
- return 1
- fi
-}
-
-find_uuid () {
- local output
- if type blkid >/dev/null 2>&1; then
- # Hopefully everyone has blkid by now
- output="$(blkid -o device -t UUID="$1")" || return 1
- echo "$output" | head -n1
- elif [ -h "/dev/disk/by-uuid/$1" ]; then
- # Last-ditch fallback
- readlink -f "/dev/disk/by-uuid/$1"
- else
- return 1
- fi
-}
-
-# Sets $mountboot as output variables. This is very messy, but POSIX shell
-# isn't really up to the task of doing it more cleanly.
-linux_mount_boot () {
- partition="$1"
- tmpmnt="$2"
-
- bootpart=""
- mounted=""
- if [ -e "$tmpmnt/etc/fstab" ]; then
- # Try to mount any /boot partition.
- bootmnt=$(parsefstab < "$tmpmnt/etc/fstab" | grep " /boot ") || true
- if [ -n "$bootmnt" ]; then
- set -f
- set -- $bootmnt
- set +f
- boottomnt=""
-
- # Try to map labels and UUIDs ourselves if possible,
- # so that we can check whether they're already
- # mounted somewhere else.
- tmppart="$1"
- if echo "$1" | grep -q "LABEL="; then
- label="$(echo "$1" | cut -d = -f 2)"
- if tmppart="$(find_label "$label")"; then
- debug "mapped LABEL=$label to $tmppart"
- else
- debug "found boot partition LABEL=$label for Linux system on $partition, but cannot map to existing device"
- mountboot="$partition 0"
- return
- fi
- elif echo "$1" | grep -q "UUID="; then
- uuid="$(echo "$1" | cut -d = -f 2)"
- if tmppart="$(find_uuid "$uuid")"; then
- debug "mapped UUID=$uuid to $tmppart"
- else
- debug "found boot partition UUID=$uuid for Linux system on $partition, but cannot map to existing device"
- mountboot="$partition 0"
- return
- fi
- fi
- shift
- set -- "$(mapdevfs "$tmppart")" "$@"
-
- if grep -q "^$1 " "$OS_PROBER_TMP/mounted-map"; then
- bindfrom="$(grep "^$1 " "$OS_PROBER_TMP/mounted-map" | head -n1 | cut -d " " -f 2)"
- bindfrom="$(unescape_mount "$bindfrom")"
- if [ "$bindfrom" != "$tmpmnt/boot" ]; then
- if mount --bind "$bindfrom" "$tmpmnt/boot"; then
- mounted=1
- bootpart="$1"
- else
- debug "failed to bind-mount $bindfrom onto $tmpmnt/boot"
- fi
- fi
- fi
- if [ "$mounted" ]; then
- :
- elif [ -e "$1" ]; then
- bootpart="$1"
- boottomnt="$1"
- elif [ -e "$tmpmnt/$1" ]; then
- bootpart="$1"
- boottomnt="$tmpmnt/$1"
- elif [ -e "/target/$1" ]; then
- bootpart="$1"
- boottomnt="/target/$1"
- else
- bootpart=""
- fi
-
- if [ ! "$mounted" ]; then
- if [ -z "$bootpart" ]; then
- debug "found boot partition $1 for linux system on $partition, but cannot map to existing device"
- else
- debug "found boot partition $bootpart for linux system on $partition"
- if type grub-mount >/dev/null 2>&1 && \
- grub-mount "$boottomnt" "$tmpmnt/boot" 2>/dev/null; then
- mounted=1
- fi
- fi
- fi
- fi
- fi
- if [ -z "$bootpart" ]; then
- bootpart="$partition"
- fi
- if [ -z "$mounted" ]; then
- mounted=0
- fi
-
- mountboot="$bootpart $mounted"
-}
projects / os-prober.git / commitdiff