util/i386/pc/grub-install.in

   1 #! /bin/sh
   2
   3 # Install GRUB on your drive.
   4 # Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008  Free Software Foundation, Inc.
   5 #
   6 # GRUB is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # GRUB is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 # Initialize some variables.
  20 transform="@program_transform_name@"
  21
  22 prefix=@prefix@
  23 exec_prefix=@exec_prefix@
  24 sbindir=@sbindir@
  25 bindir=@bindir@
  26 libdir=@libdir@
  27 PACKAGE_NAME=@PACKAGE_NAME@
  28 PACKAGE_TARNAME=@PACKAGE_TARNAME@
  29 PACKAGE_VERSION=@PACKAGE_VERSION@
  30 target_cpu=@target_cpu@
  31 platform=@platform@
  32 pkglibdir=${libdir}/`echo ${PACKAGE_TARNAME}/${target_cpu}-${platform} | sed ${transform}`
  33
  34 grub_setup=${sbindir}/`echo grub-setup | sed ${transform}`
  35 if [ "${target_cpu}-${platform}" = "i386-pc" ] ; then
  36     grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}`
  37 else
  38     grub_mkimage=${bindir}/`echo grub-mkelfimage | sed ${transform}`
  39 fi
  40 grub_mkdevicemap=${sbindir}/`echo grub-mkdevicemap | sed ${transform}`
  41 grub_probe=${sbindir}/`echo grub-probe | sed ${transform}`
  42 rootdir=
  43 grub_prefix=`echo /boot/grub | sed ${transform}`
  44 modules=
  45
  46 install_device=
  47 no_floppy=
  48 force_lba=
  49 recheck=no
  50 debug=no
  51
  52 # Usage: usage
  53 # Print the usage.
  54 usage () {
  55     cat <<EOF
  56 Usage: grub-install [OPTION] install_device
  57 Install GRUB on your drive.
  58
  59   -h, --help              print this message and exit
  60   -v, --version           print the version information and exit
  61   --modules=MODULES       pre-load specified modules MODULES
  62   --root-directory=DIR    install GRUB images under the directory DIR
  63                           instead of the root directory
  64   --grub-setup=FILE       use FILE as grub-setup
  65   --grub-mkimage=FILE     use FILE as grub-mkimage
  66   --grub-mkdevicemap=FILE use FILE as grub-mkdevicemap
  67   --grub-probe=FILE       use FILE as grub-probe
  68   --no-floppy             do not probe any floppy drive
  69   --recheck               probe a device map even if it already exists
  70   --force                 install even if problems are detected
  71
  72 INSTALL_DEVICE can be a GRUB device name or a system device filename.
  73
  74 grub-install copies GRUB images into the DIR/boot directory specified by
  75 --root-directory, and uses grub-setup to install grub into the boot
  76 sector.
  77
  78 Report bugs to <bug-grub@gnu.org>.
  79 EOF
  80 }
  81
  82 # Check the arguments.
  83 for option in "$@"; do
  84     case "$option" in
  85     -h | --help)
  86         usage
  87         exit 0 ;;
  88     -v | --version)
  89         echo "grub-install (GNU GRUB ${PACKAGE_VERSION})"
  90         exit 0 ;;
  91     --modules=*)
  92         modules=`echo "$option" | sed 's/--modules=//'` ;;
  93     --root-directory=*)
  94         rootdir=`echo "$option" | sed 's/--root-directory=//'` ;;
  95     --grub-setup=*)
  96         grub_setup=`echo "$option" | sed 's/--grub-setup=//'` ;;
  97     --grub-mkimage=*)
  98         grub_mkimage=`echo "$option" | sed 's/--grub-mkimage=//'` ;;
  99     --grub-mkdevicemap=*)
 100         grub_mkdevicemap=`echo "$option" | sed 's/--grub-mkdevicemap=//'` ;;
 101     --grub-probe=*)
 102         grub_probe=`echo "$option" | sed 's/--grub-probe=//'` ;;
 103     --no-floppy)
 104         no_floppy="--no-floppy" ;;
 105     --recheck)
 106         recheck=yes ;;
 107     # This is an undocumented feature...
 108     --debug)
 109         debug=yes ;;
 110     -f | --force)
 111         setup_force="--force" ;;
 112     -*)
 113         echo "Unrecognized option \`$option'" 1>&2
 114         usage
 115         exit 1
 116         ;;
 117     *)
 118         if test "x$install_device" != x; then
 119             echo "More than one install_devices?" 1>&2
 120             usage
 121             exit 1
 122         fi
 123         install_device="${option}" ;;
 124     esac
 125 done
 126
 127 # for make_system_path_relative_to_its_root()
 128 . ${libdir}/grub/grub-mkconfig_lib
 129
 130 if test "x$install_device" = x; then
 131     echo "install_device not specified." 1>&2
 132     usage
 133     exit 1
 134 fi
 135
 136 # If the debugging feature is enabled, print commands.
 137 setup_verbose=
 138 if test $debug = yes; then
 139     set -x
 140     setup_verbose="--verbose"
 141 fi
 142
 143 # Initialize these directories here, since ROOTDIR was initialized.
 144 case "$host_os" in
 145 netbsd* | openbsd*)
 146     # Because /boot is used for the boot block in NetBSD and OpenBSD, use /grub
 147     # instead of /boot/grub.
 148     grub_prefix=`echo /grub | sed ${transform}`
 149     bootdir=${rootdir}
 150     ;;
 151 *)
 152     # Use /boot/grub by default.
 153     bootdir=${rootdir}/boot
 154     ;;
 155 esac
 156
 157 grubdir=${bootdir}/`echo grub | sed ${transform}`
 158 device_map=${grubdir}/device.map
 159
 160 grub_probe="${grub_probe} --device-map=${device_map}"
 161
 162 # Check if GRUB is installed.
 163 if [ "${target_cpu}-${platform}" = "i386-pc" ] ; then
 164     set $grub_setup dummy
 165     if test -f "$1"; then
 166         :
 167     else
 168         echo "$1: Not found." 1>&2
 169         exit 1
 170     fi
 171 fi
 172
 173 set $grub_mkimage dummy
 174 if test -f "$1"; then
 175     :
 176 else
 177     echo "$1: Not found." 1>&2
 178     exit 1
 179 fi
 180
 181 set $grub_mkdevicemap dummy
 182 if test -f "$1"; then
 183     :
 184 else
 185     echo "$1: Not found." 1>&2
 186     exit 1
 187 fi
 188
 189 # Create the GRUB directory if it is not present.
 190 test -d "$bootdir" || mkdir "$bootdir" || exit 1
 191 test -d "$grubdir" || mkdir "$grubdir" || exit 1
 192
 193 # If --recheck is specified, remove the device map, if present.
 194 if test $recheck = yes; then
 195     rm -f $device_map
 196 fi
 197
 198 # Create the device map file if it is not present.
 199 if test -f "$device_map"; then
 200     :
 201 else
 202     # Create a safe temporary file.
 203     test -n "$mklog" && log_file=`$mklog`
 204
 205     $grub_mkdevicemap --device-map=$device_map $no_floppy || exit 1
 206 fi
 207
 208 # Make sure that there is no duplicated entry.
 209 tmp=`sed -n '/^([fh]d[0-9]*)/s/\(^(.*)\).*/\1/p' $device_map \
 210     | sort | uniq -d | sed -n 1p`
 211 if test -n "$tmp"; then
 212     echo "The drive $tmp is defined multiple times in the device map $device_map" 1>&2
 213     exit 1
 214 fi
 215
 216 # Copy the GRUB images to the GRUB directory.
 217 for file in ${grubdir}/*.mod ${grubdir}/*.lst ${grubdir}/*.img ${grubdir}/efiemu??.o; do
 218     if test -f $file && [ "`basename $file`" != menu.lst ]; then
 219         rm -f $file || exit 1
 220     fi
 221 done
 222 for file in ${pkglibdir}/*.mod ${pkglibdir}/*.lst; do
 223     cp -f $file ${grubdir} || exit 1
 224 done
 225 if [ "${target_cpu}-${platform}" = "i386-pc" ] ; then
 226     for file in ${pkglibdir}/*.img ${pkglibdir}/efiemu??.o; do
 227         if test -f $file; then
 228             cp -f $file ${grubdir} || exit 1
 229         fi
 230     done
 231 fi
 232
 233 # Write device to a variable so we don't have to traverse /dev every time.
 234 grub_device=`$grub_probe --target=device ${grubdir}`
 235
 236 # Create the core image. First, auto-detect the filesystem module.
 237 fs_module=`$grub_probe --target=fs --device ${grub_device}`
 238 if test "x$fs_module" = x -a "x$modules" = x; then
 239     echo "Auto-detection of a filesystem module failed." 1>&2
 240     echo "Please specify the module with the option \`--modules' explicitly." 1>&2
 241     exit 1
 242 fi
 243
 244 # Then the partition map module.  In order to support partition-less media,
 245 # this command is allowed to fail (--target=fs already grants us that the
 246 # filesystem will be accessible).
 247 partmap_module=`$grub_probe --target=partmap --device ${grub_device} 2> /dev/null`
 248
 249 # Device abstraction module, if any (lvm, raid).
 250 devabstraction_module=`$grub_probe --target=abstraction --device ${grub_device}`
 251
 252 # The order in this list is critical.  Be careful when modifying it.
 253 if [ "${target_cpu}-${platform}" = "i386-pc" ] ; then
 254     modules="$modules biosdisk"
 255 else
 256     modules="$modules ata"
 257 fi
 258 modules="$modules $fs_module $partmap_module $devabstraction_module"
 259
 260 prefix_drive=
 261 if [ "x${devabstraction_module}" = "x" ] ; then
 262     if echo "${install_device}" | grep -qx "(.*)" ; then
 263       install_drive="${install_device}"
 264     else
 265       install_drive="`$grub_probe --target=drive --device ${install_device}`"
 266     fi
 267     grub_drive="`$grub_probe --target=drive --device ${grub_device}`"
 268
 269     # Strip partition number
 270     install_drive="`echo ${install_drive} | sed -e s/,[0-9]*[a-z]*//g`"
 271     grub_drive="`echo ${grub_drive} | sed -e s/,[0-9]*[a-z]*//g`"
 272     if [ "${target_cpu}-${platform}" != "i386-pc" ] ; then
 273         # generic method (used on coreboot)
 274         uuid="`$grub_probe --target=fs_uuid --device ${grub_device}`"
 275         if [ "x${uuid}" = "x" ] ; then
 276           echo "UUID needed on this platform, but the filesystem containing ${grubdir} does not support UUIDs." 1>&2
 277           exit 1
 278         fi
 279         prefix_drive="(UUID=${uuid})"
 280         modules="$modules fs_uuid"
 281     elif [ "x${grub_drive}" != "x${install_drive}" ] ; then
 282         uuid="`$grub_probe --target=fs_uuid --device ${grub_device}`"
 283         if [ "x${uuid}" = "x" ] ; then
 284           echo "You attempted a cross-disk install, but the filesystem containing ${grubdir} does not support UUIDs." 1>&2
 285           exit 1
 286         fi
 287         prefix_drive="(UUID=${uuid})"
 288         modules="$modules fs_uuid"
 289     fi
 290 else
 291     prefix_drive=`$grub_probe --target=drive --device ${grub_device}`
 292 fi
 293
 294 relative_grubdir=`make_system_path_relative_to_its_root ${grubdir}` || exit 1
 295 if [ "x${relative_grubdir}" = "x" ] ; then
 296     relative_grubdir=/
 297 fi
 298
 299 if [ "${target_cpu}-${platform}" = "i386-pc" ] ; then
 300     $grub_mkimage --output=${grubdir}/core.img --prefix=${prefix_drive}${relative_grubdir} $modules || exit 1
 301
 302     # Now perform the installation.
 303     $grub_setup ${setup_verbose} ${setup_force} --directory=${grubdir} --device-map=${device_map} \
 304         ${install_device} || exit 1
 305 else
 306     $grub_mkimage -d ${pkglibdir} --output=/boot/multiboot.img --prefix=${prefix_drive}${relative_grubdir} $modules || exit 1
 307 fi
 308
 309 # Prompt the user to check if the device map is correct.
 310 echo "Installation finished. No error reported."
 311 echo "This is the contents of the device map $device_map."
 312 echo "Check if this is correct or not. If any of the lines is incorrect,"
 313 echo "fix it and re-run the script \`grub-install'."
 314 echo
 315
 316 cat $device_map
 317
 318 # Bye.
 319 exit 0