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2007-04-13 Fabian Greffrath <fabian.greffrath@web.de>

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* 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.
This commit is contained in:
robertmh 2008-04-13 10:51:54 +00:00
parent a91627b40a
commit 78b51059c3
5 changed files with 110 additions and 0 deletions
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89
util/grub.d/30_os-prober.in Normal file
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#! /bin/sh -e
# update-grub helper script.
# Copyright (C) 2006,2007,2008 Free Software Foundation, Inc.
#
# GRUB is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GRUB is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
if [ -z "`which os-prober 2> /dev/null`" -o -z "`which linux-boot-prober 2> /dev/null`" ] ; then
# missing os-prober and/or linux-boot-prober
exit 0
fi
OSPROBED="`os-prober 2> /dev/null | tr ' ' '^' | paste -s -d ' '`"
if [ -z "${OSPROBED}" ] ; then
# empty os-prober output, nothing doing
exit 0
fi
for OS in ${OSPROBED} ; do
DEVICE="`echo ${OS} | cut -d ':' -f 1`"
LONGNAME="`echo ${OS} | cut -d ':' -f 2 | tr '^' ' '`"
LABEL="`echo ${OS} | cut -d ':' -f 3 | tr '^' ' '`"
BOOT="`echo ${OS} | cut -d ':' -f 4`"
if [ -z "${LONGNAME}" ] ; then
LONGNAME="${LABEL}"
fi
echo "Found ${LONGNAME} on ${DEVICE}" >&2
case ${BOOT} in
chain)
CHAINROOT="`grub-probe --target=drive --device ${DEVICE} 2> /dev/null`"
cat << EOF
menuentry "${LONGNAME} (on ${DEVICE})" {
set root=${CHAINROOT}
chainloader +1
}
EOF
;;
linux)
LINUXPROBED="`linux-boot-prober ${DEVICE} 2> /dev/null | tr ' ' '^' | paste -s -d ' '`"
for LINUX in ${LINUXPROBED} ; do
LROOT="`echo ${LINUX} | cut -d ':' -f 1`"
LBOOT="`echo ${LINUX} | cut -d ':' -f 2`"
LLABEL="`echo ${LINUX} | cut -d ':' -f 3 | tr '^' ' '`"
LKERNEL="`echo ${LINUX} | cut -d ':' -f 4`"
LINITRD="`echo ${LINUX} | cut -d ':' -f 5`"
LPARAMS="`echo ${LINUX} | cut -d ':' -f 6- | tr '^' ' '`"
LINUXROOT="`grub-probe --target=drive --device ${LBOOT} 2> /dev/null`"
if [ -z "${LLABEL}" ] ; then
LLABEL="${LONGNAME}"
fi
cat << EOF
menuentry "${LLABEL} (on ${DEVICE})" {
set root=${LINUXROOT}
linux ${LKERNEL} ${LPARAMS}
EOF
if [ -n "${LINITRD}" ] ; then
cat << EOF
initrd ${LINITRD}
EOF
fi
cat << EOF
}
EOF
done
;;
hurd|*)
echo " ${LONGNAME} is not yet supported by update-grub." >&2
;;
esac
done