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- #!/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 "$1" in
- menuentry)
- entry_result
- shift 1
- # The double-quoted string is the title.
- # Make sure to look at the text of the line
- # before 'set' mangled it.
- title="$(echo "$line" | sed -n 's/[^"]*"\(.*\)".*/\1/p' | sed 's/://g')"
- if [ -z "$title" ]; then
- # ... or single-quoted? Be careful
- # to handle constructions like
- # 'foo'\''bar' (which expands to
- # foo'bar, as in shell), and to
- # handle multiple single-quoted
- # strings on the same line.
- title="$(echo "$line" | sed -n "s/[^']*'\(\([^']\|'\\\\''\)*\)'.*/\1/p" | sed "s/'\\\\''/'/; s/://g")"
- fi
- if [ -z "$title" ]; then
- ignore_item=1
- elif echo "$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
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