57f9639766
* util/update-grub.in: Fix a few assumptions about the devices holding
/, /boot and /boot/grub being the same.
* util/grub.d/00_header.in: Likewise.
* util/grub.d/10_hurd.in: Likewise.
* util/grub.d/10_linux.in: Likewise.
* util/grub.d/10_linux.in: Implement Linux image sorting with arbitrary
patterns. Use that to define the `.old' suffix as older than `'.
* util/grub.d/00_header.in: Set default gfxmode to `800x600x16'.
* util/update-grub.in: Add a reference to ${sysconfdir}/default/grub in
the grub.cfg header message.
114 lines
2.7 KiB
Bash
114 lines
2.7 KiB
Bash
#! /bin/sh -e
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# update-grub helper script.
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# Copyright (C) 2006, 2007 Free Software Foundation, Inc.
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#
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# This file is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St - Suite 330, Boston, MA 02110, USA.
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if [ "x${GRUB_DISTRIBUTOR}" = "" ] ; then
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OS=GNU/Linux
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else
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OS="${GRUB_DISTRIBUTOR} GNU/Linux"
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fi
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test_numeric ()
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{
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local a=$1
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local cmp=$2
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local b=$3
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if [ "$a" = "$b" ] ; then
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case $cmp in
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ge|eq|le) return 0 ;;
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gt|lt) return 1 ;;
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esac
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fi
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if [ "$cmp" = "lt" ] ; then
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c=$a
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a=$b
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b=$c
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fi
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if (echo $a ; echo $b) | sort -n | head -n 1 | grep -qx $b ; then
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return 0
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else
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return 1
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fi
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}
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test_gt ()
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{
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local a=$1
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local b=$2
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local cmp=gt
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if [ "x$b" = "x" ] ; then
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return 0
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fi
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case $a:$b in
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*.old:*.old) ;;
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*.old:*) a=`echo -n $a | sed -e s/\.old$//g` ; cmp=gt ;;
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*:*.old) b=`echo -n $b | sed -e s/\.old$//g` ; cmp=ge ;;
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esac
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test_numeric $a $cmp $b
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return $?
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}
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find_latest ()
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{
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local a=""
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for i in $@ ; do
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if test_gt "$i" "$a" ; then
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a="$i"
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fi
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done
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echo "$a"
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}
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list=`for i in /boot/vmlinu[xz]-* /vmlinu[xz]-* ; do
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if test -e $i ; then echo -n "$i " ; fi
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done`
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while [ "x$list" != "x" ] ; do
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linux=`find_latest $list`
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echo "Found linux image: $linux" >&2
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basename=`basename $linux`
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dirname=`dirname $linux`
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grub_dirname=`echo ${dirname} | sed -e "s%^/boot%${GRUB_DRIVE_BOOT}%g"`
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version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
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cat << EOF
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menuentry "${OS}, linux ${version}" {
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linux ${grub_dirname}/${basename} root=${GRUB_DEVICE} ro ${GRUB_CMDLINE_LINUX}
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EOF
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if test -e ${dirname}/initrd.img-${version} ; then
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echo "Found initrd image: ${dirname}/initrd.img-${version}" >&2
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cat << EOF
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initrd ${grub_dirname}/initrd.img-${version}
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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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cat << EOF
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menuentry "${OS}, linux ${version} (single-user mode)" {
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linux ${grub_dirname}/${basename} root=${GRUB_DEVICE} ro single ${GRUB_CMDLINE_LINUX}
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EOF
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if test -e ${dirname}/initrd.img-${version} ; then
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cat << EOF
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initrd ${grub_dirname}/initrd.img-${version}
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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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list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
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done
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