diff options
Diffstat (limited to 'abs/core/grub/install-grub')
| -rw-r--r--[-rwxr-xr-x] | abs/core/grub/install-grub | 676 |
1 files changed, 516 insertions, 160 deletions
diff --git a/abs/core/grub/install-grub b/abs/core/grub/install-grub index 3eb7ce5..0015a31 100755..100644 --- a/abs/core/grub/install-grub +++ b/abs/core/grub/install-grub @@ -1,187 +1,543 @@ -#!/bin/bash +#! /bin/sh +# Install GRUB on your drive. +# Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. # -# This is a little helper script that tries to convert linux-style device -# names to grub-style. It's not very smart, so it -# probably won't work for more complicated setups. +# This file 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 2 of the License, or +# (at your option) any later version. # -# If it doesn't work for you, try installing grub manually: -# -# # mkdir -p /boot/grub -# # cp /usr/lib/grub/i386-pc/* /boot/grub/ -# -# Then start up the 'grub' shell and run something like the following: -# -# grub> root(hd0,0) -# grub> setup(hd0) -# -# The "root" line should point to the partition your kernel is located on, -# /boot if you have a separate boot partition, otherwise your root (/). -# -# The "setup" line tells grub which disc/partition to install the -# bootloader to. In the example above, it will install to the MBR of the -# primary master hard drive. +# This program 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 this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Initialize some variables. +prefix=/ +exec_prefix=${prefix} +sbindir=${exec_prefix}/sbin +libdir=${exec_prefix}/lib +PACKAGE=grub +VERSION=0.95 +host_cpu=i386 +host_os=linux-gnu +host_vendor=pc +pkglibdir=${libdir}/${PACKAGE}/${host_cpu}-${host_vendor} + +grub_shell=${sbindir}/grub +log_file=/tmp/grub-install.log.$$ +img_file=/tmp/grub-install.img.$$ +rootdir= +grub_prefix=/boot/grub + +install_device= +no_floppy= +force_lba= +recheck=no +sync_sleep=20 +debug=no + +# look for secure tempfile creation wrappers on this platform +if test -x /bin/tempfile; then + mklog="/bin/tempfile --prefix=grub" + mkimg="/bin/tempfile --prefix=grub" +elif test -x /bin/mktemp; then + mklog="/bin/mktemp /tmp/grub-install.log.XXXXXX" + mkimg="/bin/mktemp /tmp/grub-install.img.XXXXXX" +else + mklog="" + mkimg="" +fi + +# Usage: usage +# Print the usage. +usage () { + cat <<EOF +Usage: grub-install [OPTION] install_device +Install GRUB on your drive. + + -h, --help print this message and exit + -v, --version print the version information and exit + --root-directory=DIR install GRUB images under the directory DIR + instead of the root directory + --grub-shell=FILE use FILE as the grub shell + --no-floppy do not probe any floppy drive + --force-lba force GRUB to use LBA mode even for a buggy + BIOS + --recheck probe a device map even if it already exists + --sync-sleep number of seconds to sleep while trying to + sync XFS + +INSTALL_DEVICE can be a GRUB device name or a system device filename. + +grub-install copies GRUB images into the DIR/boot directory specfied by +--root-directory, and uses the grub shell to install grub into the boot +sector. + +Report bugs to <bug-grub@gnu.org>. +EOF +} + +# Usage: getraid_mdadm mddevice +# Routine to find a physical device from an md device +# If found, the first grub BIOS device (from device.map) is returned +# If no BIOS drives match the RAID devices, the first device returned +# from mdadm -D is returned +getraid_mdadm() { + device=$1 + mdadm=$(mdadm -D "$device") || { + echo "$PROG: mdadm -D $device failed" >&2 + exit 1 + } + eval "$( + echo "$mdadm" | awk ' + $1 == "Number" && $2 == "Major" { start = 1; next } + $1 == "UUID" { print "uuid=" $3; start = 0; next } + !start { next } + $2 == 0 && $3 == 0 { next } + { devices = devices "\n" $NF } + END { print "devices='\''" devices "'\''" } + ' + )" + + # Convert RAID devices list into a list of disks + tmp_disks=`echo "$devices" | sed -e 's%\([sh]d[a-z]\)[0-9]*$%\1%' \ + -e 's%\(d[0-9]*\)p[0-9]*$%\1%' \ + -e 's%\(fd[0-9]*\)$%\1%' \ + -e 's%/part[0-9]*$%/disc%' \ + -e 's%\(c[0-7]d[0-9]*\).*$%\1%' \ + -e '/^$/d' | + sed -n '1h;2,$H;${g;s/\n/|/g;p}'` + + # Find first BIOS disk that's a member of the RAID array + # Default to first RAID member if no tmp_disks are BIOS devices + set -- `egrep $tmp_disks $device_map | \ + sort | \ + sed -n 1p ` + device=${2:-${tmp_disks%%|*}} + + # Return first partition on BIOS disk that's part of the RAID + echo "$devices" | \ + sed -n "\:${device}:p" | \ + sed -n 1p +} + +# Usage: xfs_hack +# Routine to flush xfs filesystem log (sync doesn't do this) +# sleep is needed to give time for the log to be flushed +xfs_hack () { + sync + if which xfs_freeze >/dev/null ; then + echo "Trying to sync filesystem, do not interrupt until complete." + xfs_freeze -f ${grubdir} 2>/dev/null + sleep $sync_sleep + xfs_freeze -u ${grubdir} 2>/dev/null + echo "Trying to sync filesystem is complete." + fi +} -usage() { - echo "usage: install-grub <install_device> [boot_device]" - echo - echo "where <install_device> is the device where Grub will be installed" - echo "and [boot_device] is the partition that contains the /boot" - echo "directory (auto-detected if omitted)" - echo - echo "examples: install-grub /dev/hda" - echo " install-grub /dev/hda /dev/hda1" - echo - exit 0 +# Usage: convert os_device +# Convert an OS device to the corresponding GRUB drive. +# This part is OS-specific. +convert () { + # First, check if the device file exists. + if test -e "$1"; then + : + else + echo "$1: Not found or not a block device." 1>&2 + exit 1 + fi + + # Break the device name into the disk part and the partition part. + case "$host_os" in + linux*) + # Find an actual physical device if we're passed a RAID device + case $1 in + /dev/md*) set -- `getraid_mdadm $1` + esac + tmp_disk=`echo "$1" | sed -e 's%\([sh]d[a-z]\)[0-9]*$%\1%' \ + -e 's%\(d[0-9]*\)p[0-9]*$%\1%' \ + -e 's%\(fd[0-9]*\)$%\1%' \ + -e 's%/part[0-9]*$%/disc%' \ + -e 's%\(c[0-7]d[0-9]*\).*$%\1%'` + tmp_part=`echo "$1" | sed -e 's%.*/[sh]d[a-z]\([0-9]*\)$%\1%' \ + -e 's%.*d[0-9]*p*%%' \ + -e 's%.*/fd[0-9]*$%%' \ + -e 's%.*/floppy/[0-9]*$%%' \ + -e 's%.*/\(disc\|part\([0-9]*\)\)$%\2%' \ + -e 's%.*c[0-7]d[0-9]*p*%%'` + ;; + gnu*) + tmp_disk=`echo "$1" | sed 's%\([sh]d[0-9]*\).*%\1%'` + tmp_part=`echo "$1" | sed "s%$tmp_disk%%"` ;; + freebsd*) + tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([saw]d[0-9]*\).*$%r\1%' \ + | sed 's%r\{0,1\}\(da[0-9]*\).*$%r\1%'` + tmp_part=`echo "$1" \ + | sed "s%.*/r\{0,1\}[saw]d[0-9]\(s[0-9]*[a-h]\)%\1%" \ + | sed "s%.*/r\{0,1\}da[0-9]\(s[0-9]*[a-h]\)%\1%"` + ;; + netbsd*) + tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([sw]d[0-9]*\).*$%r\1d%' \ + | sed 's%r\{0,1\}\(fd[0-9]*\).*$%r\1a%'` + tmp_part=`echo "$1" \ + | sed "s%.*/r\{0,1\}[sw]d[0-9]\([abe-p]\)%\1%"` + ;; + *) + echo "grub-install does not support your OS yet." 1>&2 + exit 1 ;; + esac + + # Get the drive name. + tmp_drive=`grep -v '^#' $device_map | grep "$tmp_disk *$" \ + | sed 's%.*\(([hf]d[0-9][a-g0-9,]*)\).*%\1%'` + + # If not found, print an error message and exit. + if test "x$tmp_drive" = x; then + echo "$1 does not have any corresponding BIOS drive." 1>&2 + exit 1 + fi + + if test "x$tmp_part" != x; then + # If a partition is specified, we need to translate it into the + # GRUB's syntax. + case "$host_os" in + linux*) + echo "$tmp_drive" | sed "s%)$%,`expr $tmp_part - 1`)%" ;; + gnu*) + if echo $tmp_part | grep "^s" >/dev/null; then + tmp_pc_slice=`echo $tmp_part \ + | sed "s%s\([0-9]*\)[a-g]*$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"` + fi + if echo $tmp_part | grep "[a-g]$" >/dev/null; then + tmp_bsd_partition=`echo "$tmp_part" \ + | sed "s%[^a-g]*\([a-g]\)$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,$tmp_bsd_partition)%"` + fi + echo "$tmp_drive" ;; + freebsd*) + if echo $tmp_part | grep "^s" >/dev/null; then + tmp_pc_slice=`echo $tmp_part \ + | sed "s%s\([0-9]*\)[a-h]*$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"` + fi + if echo $tmp_part | grep "[a-h]$" >/dev/null; then + tmp_bsd_partition=`echo "$tmp_part" \ + | sed "s%s\{0,1\}[0-9]*\([a-h]\)$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,$tmp_bsd_partition)%"` + fi + echo "$tmp_drive" ;; + netbsd*) + if echo $tmp_part | grep "^[abe-p]$" >/dev/null; then + tmp_bsd_partition=`echo "$tmp_part" \ + | sed "s%\([a-p]\)$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,$tmp_bsd_partition)%"` + fi + echo "$tmp_drive" ;; + esac + else + # If no partition is specified, just print the drive name. + echo "$tmp_drive" + fi } -## new install-grub, code was taken from setup script -ROOTDEV=$1 -PART_ROOT=$2 -VMLINUZ=vmlinuz26 +# Usage: resolve_symlink file +# Find the real file/device that file points at +resolve_symlink () { + tmp_fname=$1 + # Resolve symlinks + while test -L $tmp_fname; do + tmp_new_fname=`ls -al $tmp_fname | sed -n 's%.*-> \(.*\)%\1%p'` + if test -z "$tmp_new_fname"; then + echo "Unrecognized ls output" 2>&1 + exit 1 + fi + + # Convert relative symlinks + case $tmp_new_fname in + /*) tmp_fname="$tmp_new_fname" + ;; + *) tmp_fname="`echo $tmp_fname | sed 's%/[^/]*$%%'`/$tmp_new_fname" + ;; + esac + done + echo "$tmp_fname" +} + +# Usage: find_device file +# Find block device on which the file resides. +find_device () { + # For now, this uses the program `df' to get the device name, but is + # this really portable? + tmp_fname=`df $1/ | sed -n 's%.*\(/dev/[^ ]*\).*%\1%p'` + + if test -z "$tmp_fname"; then + echo "Could not find device for $1" 2>&1 + exit 1 + fi + + tmp_fname=`resolve_symlink $tmp_fname` -if [ "$ROOTDEV" = "" ]; then + echo "$tmp_fname" +} + +# Check the arguments. +for option in "$@"; do + case "$option" in + -h | --help) + usage + exit 0 ;; + -v | --version) + echo "grub-install (GNU GRUB ${VERSION})" + exit 0 ;; + --root-directory=*) + rootdir=`echo "$option" | sed 's/--root-directory=//'` ;; + --grub-shell=*) + grub_shell=`echo "$option" | sed 's/--grub-shell=//'` ;; + --no-floppy) + no_floppy="--no-floppy" ;; + --force-lba) + force_lba="--force-lba" ;; + --recheck) + recheck=yes ;; + --sync-sleep=*) + sync_sleep=`echo "$option" | sed 's/--sync-sleep=//'` ;; + # This is an undocumented feature... + --debug) + debug=yes ;; + -*) + echo "Unrecognized option \`$option'" 1>&2 usage + exit 1 + ;; + *) + if test "x$install_device" != x; then + echo "More than one install_devices?" 1>&2 + usage + exit 1 + fi + install_device="${option}" ;; + esac +done + +if test "x$install_device" = x; then + echo "install_device not specified." 1>&2 + usage + exit 1 fi -if [ "$PART_ROOT" = "" ]; then - PART_ROOT=$(mount | grep "on /boot type" | cut -d' ' -f 1) + +# If the debugging feature is enabled, print commands. +if test $debug = yes; then + set -x fi -if [ "$PART_ROOT" = "" ]; then - PART_ROOT=$(mount | grep "on / type" | cut -d' ' -f 1) + +# Initialize these directories here, since ROOTDIR was initialized. +case "$host_os" in +netbsd*) + # Because /boot is used for the boot block in NetBSD, use /grub + # instead of /boot/grub. + grub_prefix=/grub + bootdir=${rootdir} + ;; +*) + # Use /boot/grub by default. + bootdir=${rootdir}/boot + ;; +esac + +grubdir=${bootdir}/grub +device_map=${grubdir}/device.map + +# Check if GRUB is installed. +# This is necessary, because the user can specify "grub --read-only". +set $grub_shell dummy +if test -f "$1"; then + : +else + echo "$1: Not found." 1>&2 + exit 1 fi -if [ "$PART_ROOT" = "" ]; then - echo "error: could not determine BOOT_DEVICE, please specify manually" >&2 - exit 1 + +if test -f "$pkglibdir/stage1"; then + : +else + echo "${pkglibdir}/stage1: Not found." 1>&2 + exit 1 fi +if test -f "$pkglibdir/stage2"; then + : +else + echo "${pkglibdir}/stage2: Not found." 1>&2 + exit 1 +fi + +# Don't check for *stage1_5, because it is not fatal even if any +# Stage 1.5 does not exist. -get_grub_map() { - [ -e /tmp/dev.map ] && rm /tmp/dev.map - /sbin/grub --no-floppy --device-map /tmp/dev.map >/tmp/grub.log 2>&1 <<EOF +# Create the GRUB directory if it is not present. +test -d "$bootdir" || mkdir "$bootdir" || exit 1 +test -d "$grubdir" || mkdir "$grubdir" || exit 1 + +# If --recheck is specified, remove the device map, if present. +if test $recheck = yes; then + rm -f $device_map +fi + +# Create the device map file if it is not present. +if test -f "$device_map"; then + : +else + # Create a safe temporary file. + test -n "$mklog" && log_file=`$mklog` + + xfs_hack + $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file quit EOF -} + if grep "Error [0-9]*: " $log_file >/dev/null; then + cat $log_file 1>&2 + exit 1 + fi -mapdev() { - partition_flag=0 - device_found=0 - devs=$(cat /tmp/dev.map | grep -v fd | sed 's/ *\t/ /' | sed ':a;$!N;$!ba;s/\n/ /g') - linuxdevice=$(echo $1 | cut -b1-8) - if [ "$(echo $1 | egrep '[0-9]$')" ]; then - # /dev/hdXY - pnum=$(echo $1 | cut -b9-) - pnum=$(($pnum-1)) - partition_flag=1 - fi - for dev in $devs - do - if [ "(" = $(echo $dev | cut -b1) ]; then - grubdevice="$dev" - else - if [ "$dev" = "$linuxdevice" ]; then - device_found=1 - break - fi - fi - done - if [ "$device_found" = "1" ]; then - if [ "$partition_flag" = "0" ]; then - echo "$grubdevice" - else - grubdevice_stringlen=${#grubdevice} - let grubdevice_stringlen-- - grubdevice=$(echo $grubdevice | cut -b1-$grubdevice_stringlen) - echo "$grubdevice,$pnum)" - fi - else - echo " DEVICE NOT FOUND" - fi -} + rm -f $log_file +fi -dogrub() { - get_grub_map - if [ ! -f /boot/grub/menu.lst ]; then - echo "Error: Couldn't find /boot/grub/menu.lst. Is GRUB installed?" - exit 1 - fi - # try to auto-configure GRUB... - if [ "$PART_ROOT" != "" -a "$S_GRUB" != "1" ]; then - grubdev=$(mapdev $PART_ROOT) - # look for a separately-mounted /boot partition - bootdev=$(mount | grep /boot | cut -d' ' -f 1) - if [ "$grubdev" != "" -o "$bootdev" != "" ]; then - cp /boot/grub/menu.lst /tmp/.menu.lst - # remove the default entries by truncating the file at our little tag (#-*) - head -n $(cat /tmp/.menu.lst | grep -n '#-\*' | cut -d: -f 1) /tmp/.menu.lst >/boot/grub/menu.lst - rm -f /tmp/.menu.lst - echo "" >>/boot/grub/menu.lst - echo "# (0) Arch Linux" >>/boot/grub/menu.lst - echo "title Arch Linux" >>/boot/grub/menu.lst - subdir= - if [ "$bootdev" != "" ]; then - grubdev=$(mapdev $bootdev) - else - subdir="/boot" - fi - echo "root $grubdev" >>/boot/grub/menu.lst - echo "kernel $subdir/$VMLINUZ root=$PART_ROOT ro" >>/boot/grub/menu.lst - if [ "$VMLINUZ" = "vmlinuz26" ]; then - echo "initrd $subdir/kernel26.img" >>/boot/grub/menu.lst - fi - echo "" >>/boot/grub/menu.lst - # adding fallback/full image - echo "# (1) Arch Linux" >>/boot/grub/menu.lst - echo "title Arch Linux Fallback" >>/boot/grub/menu.lst - echo "root $grubdev" >>/boot/grub/menu.lst - echo "kernel $subdir/$VMLINUZ root=$PART_ROOT ro" >>/boot/grub/menu.lst - if [ "$VMLINUZ" = "vmlinuz26" ]; then - echo "initrd $subdir/kernel26-fallback.img" >>/boot/grub/menu.lst - fi - echo "" >>/boot/grub/menu.lst - fi - fi +# Make sure that there is no duplicated entry. +tmp=`sed -n '/^([fh]d[0-9]*)/s/\(^(.*)\).*/\1/p' $device_map \ + | sort | uniq -d | sed -n 1p` +if test -n "$tmp"; then + echo "The drive $tmp is defined multiple times in the device map $device_map" 1>&2 + exit 1 +fi - echo "Installing the GRUB bootloader..." - cp -a /usr/lib/grub/i386-pc/* /boot/grub/ - sync - # freeze xfs filesystems to enable grub installation on xfs filesystems - if [ -x /usr/sbin/xfs_freeze ]; then - /usr/sbin/xfs_freeze -f /boot > /dev/null 2>&1 - /usr/sbin/xfs_freeze -f / > /dev/null 2>&1 - fi - # look for a separately-mounted /boot partition - bootpart=$(mount | grep /boot | cut -d' ' -f 1) - if [ "$bootpart" = "" ]; then - bootpart=$PART_ROOT - fi - bootpart=$(mapdev $bootpart) - bootdev=$(mapdev $ROOTDEV) - if [ "$bootpart" = "" ]; then - echo "Error: Missing/Invalid root device: $bootpart" - exit 1 - fi - /sbin/grub --no-floppy --batch >/tmp/grub.log 2>&1 <<EOF -root $bootpart -setup $bootdev +# Check for INSTALL_DEVICE. +case "$install_device" in +/dev/*) + install_device=`resolve_symlink "$install_device"` + install_drive=`convert "$install_device"` + # I don't know why, but some shells wouldn't die if exit is + # called in a function. + if test "x$install_drive" = x; then + exit 1 + fi ;; +\([hf]d[0-9]*\)) + install_drive="$install_device" ;; +[hf]d[0-9]*) + # The GRUB format with no parenthesis. + install_drive="($install_device)" ;; +*) + echo "Format of install_device not recognized." 1>&2 + usage + exit 1 ;; +esac + +# Get the root drive. +root_device=`find_device ${rootdir}` +bootdir_device=`find_device ${bootdir}` + +# Check if the boot directory is in the same device as the root directory. +if test "x$root_device" != "x$bootdir_device"; then + # Perhaps the user has a separate boot partition. + root_device=$bootdir_device + grub_prefix="/grub" +fi + +# Convert the root device to a GRUB drive. +root_drive=`convert "$root_device"` +if test "x$root_drive" = x; then + exit 1 +fi + +# Check if the root directory exists in the same device as the grub +# directory. +grubdir_device=`find_device ${grubdir}` + +if test "x$grubdir_device" != "x$root_device"; then + # For now, cannot deal with this situation. + cat <<EOF 1>&2 +You must set the root directory by the option --root-directory, because +$grubdir does not exist in the root device $root_device. +EOF + exit 1 +fi + +# Copy the GRUB images to the GRUB directory. +for file in ${grubdir}/stage1 ${grubdir}/stage2 ${grubdir}/*stage1_5; do + rm -f $file || exit 1 +done +for file in \ + ${pkglibdir}/stage1 ${pkglibdir}/stage2 ${pkglibdir}/*stage1_5; do + cp -f $file ${grubdir} || exit 1 +done +xfs_hack + +# Make sure that GRUB reads the same images as the host OS. +test -n "$mkimg" && img_file=`$mkimg` +test -n "$mklog" && log_file=`$mklog` + +for file in ${grubdir}/stage1 ${grubdir}/stage2 ${grubdir}/*stage1_5; do + count=5 + tmp=`echo $file | sed "s|^${grubdir}|${grub_prefix}|"` + while test $count -gt 0; do + $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file +dump ${root_drive}${tmp} ${img_file} quit EOF -cat /tmp/grub.log - # unfreeze xfs filesystems - if [ -x /usr/sbin/xfs_freeze ]; then - /usr/sbin/xfs_freeze -u /boot > /dev/null 2>&1 - /usr/sbin/xfs_freeze -u / > /dev/null 2>&1 + if grep "Error [0-9]*: " $log_file >/dev/null; then + : + elif cmp $file $img_file >/dev/null; then + break fi + sleep 1 + count=`expr $count - 1` + done + if test $count -eq 0; then + echo "The file $file not read correctly." 1>&2 + exit 1 + fi +done - if grep "Error [0-9]*: " /tmp/grub.log >/dev/null; then - echo "Error installing GRUB. (see /tmp/grub.log for output)" - exit 1 - fi - echo "GRUB was successfully installed." +rm -f $img_file +rm -f $log_file -rm -f /tmp/grub.log +# Create a safe temporary file. +test -n "$mklog" && log_file=`$mklog` -exit 0 -} +# Now perform the installation. +xfs_hack +$grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file +root $root_drive +setup $force_lba --stage2=$grubdir/stage2 --prefix=$grub_prefix $install_drive +quit +EOF -dogrub
\ No newline at end of file +if grep "Error [0-9]*: " $log_file >/dev/null || test $debug = yes; then + cat $log_file 1>&2 + exit 1 +fi + +rm -f $log_file + +# Prompt the user to check if the device map is correct. +echo "Installation finished. No error reported." +echo "This is the contents of the device map $device_map." +echo "Check if this is correct or not. If any of the lines is incorrect," +echo "fix it and re-run the script \`grub-install'." +echo + +cat $device_map + +# Bye. +exit 0 |