276 lines
8.1 KiB
Bash
276 lines
8.1 KiB
Bash
#! /bin/sh
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# Install GRUB on your drive.
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# Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009 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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# Initialize some variables.
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transform="@program_transform_name@"
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prefix=@prefix@
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exec_prefix=@exec_prefix@
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sbindir=@sbindir@
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bindir=@bindir@
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libdir=@libdir@
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PACKAGE_NAME=@PACKAGE_NAME@
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PACKAGE_TARNAME=@PACKAGE_TARNAME@
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PACKAGE_VERSION=@PACKAGE_VERSION@
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target_cpu=@target_cpu@
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platform=@platform@
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pkglibdir=${libdir}/`echo ${PACKAGE_TARNAME}/${target_cpu}-${platform} | sed ${transform}`
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grub_setup=${sbindir}/`echo grub-setup | sed ${transform}`
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grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}`
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grub_mkdevicemap=${sbindir}/`echo grub-mkdevicemap | sed ${transform}`
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grub_probe=${sbindir}/`echo grub-probe | sed ${transform}`
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rootdir=
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grub_prefix=`echo /boot/grub | sed ${transform}`
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modules=
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install_device=
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no_floppy=
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force_lba=
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recheck=no
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debug=no
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# Usage: usage
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# Print the usage.
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usage () {
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cat <<EOF
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Usage: grub-install [OPTION] install_device
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Install GRUB on your drive.
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-h, --help print this message and exit
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-v, --version print the version information and exit
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--modules=MODULES pre-load specified modules MODULES
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--root-directory=DIR install GRUB images under the directory DIR
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instead of the root directory
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--grub-setup=FILE use FILE as grub-setup
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--grub-mkimage=FILE use FILE as grub-mkimage
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--grub-mkdevicemap=FILE use FILE as grub-mkdevicemap
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--grub-probe=FILE use FILE as grub-probe
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--no-floppy do not probe any floppy drive
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--recheck probe a device map even if it already exists
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INSTALL_DEVICE can be a GRUB device name or a system device filename.
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grub-install copies GRUB images into the DIR/boot directory specified by
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--root-directory, and uses grub-setup to install grub into the boot
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sector.
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Report bugs to <bug-grub@gnu.org>.
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EOF
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}
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# Check the arguments.
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for option in "$@"; do
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case "$option" in
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-h | --help)
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usage
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exit 0 ;;
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-v | --version)
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echo "grub-install (GNU GRUB ${PACKAGE_VERSION})"
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exit 0 ;;
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--modules=*)
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modules=`echo "$option" | sed 's/--modules=//'` ;;
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--root-directory=*)
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rootdir=`echo "$option" | sed 's/--root-directory=//'` ;;
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--grub-setup=*)
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grub_setup=`echo "$option" | sed 's/--grub-setup=//'` ;;
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--grub-mkimage=*)
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grub_mkimage=`echo "$option" | sed 's/--grub-mkimage=//'` ;;
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--grub-mkdevicemap=*)
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grub_mkdevicemap=`echo "$option" | sed 's/--grub-mkdevicemap=//'` ;;
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--grub-probe=*)
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grub_probe=`echo "$option" | sed 's/--grub-probe=//'` ;;
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--no-floppy)
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no_floppy="--no-floppy" ;;
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--recheck)
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recheck=yes ;;
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# This is an undocumented feature...
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--debug)
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debug=yes ;;
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-*)
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echo "Unrecognized option \`$option'" 1>&2
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usage
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exit 1
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;;
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*)
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if test "x$install_device" != x; then
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echo "More than one install_devices?" 1>&2
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usage
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exit 1
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fi
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install_device="${option}" ;;
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esac
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done
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# for make_system_path_relative_to_its_root()
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. ${libdir}/grub/grub-mkconfig_lib
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if test "x$install_device" = x; then
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echo "install_device not specified." 1>&2
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usage
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exit 1
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fi
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# If the debugging feature is enabled, print commands.
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setup_verbose=
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if test $debug = yes; then
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set -x
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setup_verbose="--verbose"
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fi
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# Initialize these directories here, since ROOTDIR was initialized.
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bootdir=${rootdir}/boot
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grubdir=${bootdir}/`echo grub | sed ${transform}`
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device_map=${grubdir}/device.map
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grub_probe="${grub_probe} --device-map=${device_map}"
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# Check if GRUB is installed.
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set $grub_setup dummy
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if test -f "$1"; then
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:
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else
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echo "$1: Not found." 1>&2
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exit 1
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fi
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set $grub_mkimage dummy
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if test -f "$1"; then
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:
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else
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echo "$1: Not found." 1>&2
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exit 1
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fi
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set $grub_mkdevicemap dummy
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if test -f "$1"; then
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:
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else
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echo "$1: Not found." 1>&2
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exit 1
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fi
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# Create the GRUB directory if it is not present.
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test -d "$bootdir" || mkdir "$bootdir" || exit 1
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test -d "$grubdir" || mkdir "$grubdir" || exit 1
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# If --recheck is specified, remove the device map, if present.
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if test $recheck = yes; then
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rm -f $device_map
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fi
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# Create the device map file if it is not present.
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if test -f "$device_map"; then
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:
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else
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# Create a safe temporary file.
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test -n "$mklog" && log_file=`$mklog`
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$grub_mkdevicemap --device-map=$device_map $no_floppy || exit 1
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fi
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# Make sure that there is no duplicated entry.
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tmp=`sed -n '/^([fh]d[0-9]*)/s/\(^(.*)\).*/\1/p' $device_map \
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| sort | uniq -d | sed -n 1p`
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if test -n "$tmp"; then
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echo "The drive $tmp is defined multiple times in the device map $device_map" 1>&2
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exit 1
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fi
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# Copy the GRUB images to the GRUB directory.
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for file in ${grubdir}/*.mod ${grubdir}/*.lst ${grubdir}/*.img; do
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if test -f $file && [ "`basename $file`" != menu.lst ]; then
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rm -f $file || exit 1
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fi
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done
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for file in ${pkglibdir}/*.mod ${pkglibdir}/*.lst; do
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cp -f $file ${grubdir} || exit 1
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done
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for file in ${pkglibdir}/*.img; do
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cp -f $file ${grubdir} || exit 1
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done
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# Write device to a variable so we don't have to traverse /dev every time.
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grub_device=`$grub_probe --target=device ${grubdir}`
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# Create the core image. First, auto-detect the filesystem module.
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fs_module=`$grub_probe --target=fs --device ${grub_device}`
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if test "x$fs_module" = x -a "x$modules" = x; then
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echo "Auto-detection of a filesystem module failed." 1>&2
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echo "Please specify the module with the option \`--modules' explicitly." 1>&2
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exit 1
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fi
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# Then the partition map module. In order to support partition-less media,
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# this command is allowed to fail (--target=fs already grants us that the
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# filesystem will be accessible).
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partmap_module=`$grub_probe --target=partmap --device ${grub_device} 2> /dev/null`
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# Device abstraction module, if any (lvm, raid).
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devabstraction_module=`$grub_probe --target=abstraction --device ${grub_device}`
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modules="$modules $fs_module $partmap_module $devabstraction_module"
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prefix_drive=
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if [ "x${devabstraction_module}" = "x" ] ; then
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if echo "${install_device}" | grep -qx "(.*)" ; then
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install_drive="${install_device}"
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else
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install_drive="`$grub_probe --target=drive --device ${install_device}`"
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fi
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grub_drive="`$grub_probe --target=drive --device ${grub_device}`"
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# Strip partition number
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install_drive="`echo ${install_drive} | sed -e 's/\([^\]\),[0-9]*/\1/g'`"
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grub_drive="`echo ${grub_drive} | sed -e 's/\([^\]\),[0-9]*/\1/g'`"
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if [ "x${grub_drive}" != "x${install_drive}" ] ; then
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uuid="`$grub_probe --target=fs_uuid --device ${grub_device}`"
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if [ "x${uuid}" = "x" ] ; then
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echo "You attempted a cross-disk install, but the filesystem containing ${grubdir} does not support UUIDs." 1>&2
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exit 1
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fi
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prefix_drive="(UUID=${uuid})"
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modules="$modules fs_uuid"
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fi
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else
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prefix_drive=`$grub_probe --target=drive --device ${grub_device}`
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fi
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relative_grubdir=`make_system_path_relative_to_its_root ${grubdir}` || exit 1
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if [ "x${relative_grubdir}" = "x" ] ; then
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relative_grubdir=/
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fi
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$grub_mkimage --output=${grubdir}/core.img --prefix=${prefix_drive}${relative_grubdir} $modules || exit 1
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# Now perform the installation.
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$grub_setup ${setup_verbose} --directory=${grubdir} --device-map=${device_map} \
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${install_device} || exit 1
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# Prompt the user to check if the device map is correct.
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echo "Installation finished. No error reported."
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echo "This is the contents of the device map $device_map."
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echo "Check if this is correct or not. If any of the lines is incorrect,"
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echo "fix it and re-run the script \`grub-install'."
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echo
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cat $device_map
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# Bye.
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exit 0
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