78b51059c3
* util/grub.d/30_os-prober.in: New script. Use `os-prober' and
`linux-boot-prober' (if installed) to detect other operating
systems which are installed on the computer and add them to
the boot menu.
* conf/common.rmk: Build and install 30_os-prober.
89 lines
2.5 KiB
Bash
89 lines
2.5 KiB
Bash
#! /bin/sh -e
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# update-grub helper script.
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# Copyright (C) 2006,2007,2008 Free Software Foundation, Inc.
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#
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# GRUB is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# GRUB is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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if [ -z "`which os-prober 2> /dev/null`" -o -z "`which linux-boot-prober 2> /dev/null`" ] ; then
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# missing os-prober and/or linux-boot-prober
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exit 0
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fi
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OSPROBED="`os-prober 2> /dev/null | tr ' ' '^' | paste -s -d ' '`"
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if [ -z "${OSPROBED}" ] ; then
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# empty os-prober output, nothing doing
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exit 0
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fi
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for OS in ${OSPROBED} ; do
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DEVICE="`echo ${OS} | cut -d ':' -f 1`"
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LONGNAME="`echo ${OS} | cut -d ':' -f 2 | tr '^' ' '`"
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LABEL="`echo ${OS} | cut -d ':' -f 3 | tr '^' ' '`"
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BOOT="`echo ${OS} | cut -d ':' -f 4`"
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if [ -z "${LONGNAME}" ] ; then
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LONGNAME="${LABEL}"
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fi
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echo "Found ${LONGNAME} on ${DEVICE}" >&2
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case ${BOOT} in
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chain)
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CHAINROOT="`grub-probe --target=drive --device ${DEVICE} 2> /dev/null`"
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cat << EOF
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menuentry "${LONGNAME} (on ${DEVICE})" {
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set root=${CHAINROOT}
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chainloader +1
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}
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EOF
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;;
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linux)
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LINUXPROBED="`linux-boot-prober ${DEVICE} 2> /dev/null | tr ' ' '^' | paste -s -d ' '`"
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for LINUX in ${LINUXPROBED} ; do
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LROOT="`echo ${LINUX} | cut -d ':' -f 1`"
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LBOOT="`echo ${LINUX} | cut -d ':' -f 2`"
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LLABEL="`echo ${LINUX} | cut -d ':' -f 3 | tr '^' ' '`"
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LKERNEL="`echo ${LINUX} | cut -d ':' -f 4`"
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LINITRD="`echo ${LINUX} | cut -d ':' -f 5`"
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LPARAMS="`echo ${LINUX} | cut -d ':' -f 6- | tr '^' ' '`"
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LINUXROOT="`grub-probe --target=drive --device ${LBOOT} 2> /dev/null`"
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if [ -z "${LLABEL}" ] ; then
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LLABEL="${LONGNAME}"
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fi
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cat << EOF
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menuentry "${LLABEL} (on ${DEVICE})" {
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set root=${LINUXROOT}
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linux ${LKERNEL} ${LPARAMS}
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EOF
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if [ -n "${LINITRD}" ] ; then
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cat << EOF
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initrd ${LINITRD}
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EOF
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fi
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cat << EOF
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}
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EOF
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done
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;;
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hurd|*)
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echo " ${LONGNAME} is not yet supported by update-grub." >&2
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;;
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esac
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done
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