#! /bin/sh # Install GRUB on your drive. # Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008 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 . # Initialize some variables. transform="@program_transform_name@" prefix=@prefix@ exec_prefix=@exec_prefix@ sbindir=@sbindir@ bindir=@bindir@ libdir=@libdir@ PACKAGE_NAME=@PACKAGE_NAME@ PACKAGE_TARNAME=@PACKAGE_TARNAME@ PACKAGE_VERSION=@PACKAGE_VERSION@ target_cpu=@target_cpu@ platform=@platform@ pkglibdir=${libdir}/`echo ${PACKAGE_TARNAME}/${target_cpu}-${platform} | sed ${transform}` grub_setup=${sbindir}/`echo grub-setup | sed ${transform}` grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}` grub_mkdevicemap=${sbindir}/`echo grub-mkdevicemap | sed ${transform}` grub_probe=${sbindir}/`echo grub-probe | sed ${transform}` rootdir= grub_prefix=`echo /boot/grub | sed ${transform}` modules= install_device= no_floppy= force_lba= recheck=no debug=no # Usage: usage # Print the usage. usage () { cat <. EOF } # Check the arguments. for option in "$@"; do case "$option" in -h | --help) usage exit 0 ;; -v | --version) echo "grub-install (GNU GRUB ${PACKAGE_VERSION})" exit 0 ;; --modules=*) modules=`echo "$option" | sed 's/--modules=//'` ;; --root-directory=*) rootdir=`echo "$option" | sed 's/--root-directory=//'` ;; --grub-setup=*) grub_setup=`echo "$option" | sed 's/--grub-setup=//'` ;; --grub-mkimage=*) grub_mkimage=`echo "$option" | sed 's/--grub-mkimage=//'` ;; --grub-mkdevicemap=*) grub_mkdevicemap=`echo "$option" | sed 's/--grub-mkdevicemap=//'` ;; --grub-probe=*) grub_probe=`echo "$option" | sed 's/--grub-probe=//'` ;; --no-floppy) no_floppy="--no-floppy" ;; --recheck) recheck=yes ;; # This is an undocumented feature... --debug) debug=yes ;; -*) echo "Unrecognized option \`$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 # for make_system_path_relative_to_its_root() . ${libdir}/grub/update-grub_lib if test "x$install_device" = x; then echo "install_device not specified." 1>&2 usage exit 1 fi # If the debugging feature is enabled, print commands. if test $debug = yes; then set -x fi # Initialize these directories here, since ROOTDIR was initialized. case "$host_os" in netbsd* | openbsd*) # Because /boot is used for the boot block in NetBSD and OpenBSD, use /grub # instead of /boot/grub. grub_prefix=`echo /grub | sed ${transform}` bootdir=${rootdir} ;; *) # Use /boot/grub by default. bootdir=${rootdir}/boot ;; esac grubdir=${bootdir}/`echo grub | sed ${transform}` device_map=${grubdir}/device.map grub_probe="${grub_probe} --device-map=${device_map}" # Check if GRUB is installed. set $grub_setup dummy if test -f "$1"; then : else echo "$1: Not found." 1>&2 exit 1 fi set $grub_mkimage dummy if test -f "$1"; then : else echo "$1: Not found." 1>&2 exit 1 fi set $grub_mkdevicemap dummy if test -f "$1"; then : else echo "$1: Not found." 1>&2 exit 1 fi # Create the GRUB directory if it is not present. test -d "$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` $grub_mkdevicemap --device-map=$device_map $no_floppy || exit 1 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 # Copy the GRUB images to the GRUB directory. for file in ${grubdir}/*.mod ${grubdir}/*.lst ${grubdir}/*.img; do if test -f $file && [ "`basename $file`" != menu.lst ]; then rm -f $file || exit 1 fi done for file in ${pkglibdir}/*.mod ${pkglibdir}/*.lst ${pkglibdir}/*.img; do cp -f $file ${grubdir} || exit 1 done # Write device to a variable so we don't have to traverse /dev every time. grub_device=`$grub_probe --target=device ${grubdir}` # Create the core image. First, auto-detect the filesystem module. fs_module=`$grub_probe --target=fs --device ${grub_device}` if test "x$fs_module" = x -a "x$modules" = x; then echo "Auto-detection of a filesystem module failed." 1>&2 echo "Please specify the module with the option \`--modules' explicitly." 1>&2 exit 1 fi # Then the partition map module. In order to support partition-less media, # this command is allowed to fail (--target=fs already grants us that the # filesystem will be accessible). partmap_module=`$grub_probe --target=partmap --device ${grub_device} 2> /dev/null` # Device abstraction module, if any (lvm, raid). devabstraction_module=`$grub_probe --target=abstraction --device ${grub_device}` if [ "x${devabstraction_module}" = "x" ] ; then prefix_drive= else prefix_drive=`$grub_probe --target=drive --device ${grub_device}` fi # The order in this list is critical. Be careful when modifiing it. modules="$modules $fs_module $partmap_module biosdisk $devabstraction_module" $grub_mkimage --output=${grubdir}/core.img \ --prefix=${prefix_drive}`make_system_path_relative_to_its_root ${grubdir}`/ \ $modules || exit 1 # Now perform the installation. $grub_setup --directory=${grubdir} --device-map=${device_map} \ ${install_device} || exit 1 # 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