2007-06-11 19:22:27 +00:00
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#! /bin/sh -e
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2007-06-11 06:26:18 +00:00
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# Make GRUB rescue image
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2008-02-03 18:30:20 +00:00
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# Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008 Free Software Foundation, Inc.
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2007-06-11 06:26:18 +00:00
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#
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2007-07-21 23:32:33 +00:00
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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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2007-06-11 06:26:18 +00:00
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# (at your option) any later version.
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#
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2007-07-21 23:32:33 +00:00
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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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2007-06-11 06:26:18 +00:00
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#
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# You should have received a copy of the GNU General Public License
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2007-07-21 23:32:33 +00:00
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# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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2007-06-11 06:26:18 +00:00
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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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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 ${transform}`
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grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}`
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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-mkrescue [OPTION] output_image
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Make GRUB rescue image.
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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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2008-01-23 11:25:52 +00:00
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--overlay=DIR overlay directory DIR in the memdisk image
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2007-06-11 19:22:27 +00:00
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--pkglibdir=DIR use images from directory DIR instead of ${pkglibdir}
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2007-06-11 06:26:18 +00:00
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--grub-mkimage=FILE use FILE as grub-mkimage
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2007-06-11 19:22:27 +00:00
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--image-type=TYPE select floppy or cdrom (default)
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2007-06-11 06:26:18 +00:00
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grub-mkimage generates a bootable rescue image of the specified type.
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Report bugs to <grub-devel@gnu.org>.
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EOF
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}
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image_type=cdrom
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2007-06-11 19:22:27 +00:00
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input_dir=${pkglibdir}
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grub_mkimage=grub-mkimage
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2007-06-11 06:26:18 +00:00
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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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2008-01-23 11:25:52 +00:00
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--overlay=*)
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overlay=`echo "$option" | sed 's/--overlay=//'` ;;
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2007-06-11 19:22:27 +00:00
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--pkglibdir=*)
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input_dir=`echo "$option" | sed 's/--pkglibdir=//'` ;;
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2007-06-11 06:26:18 +00:00
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--grub-mkimage=*)
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grub_mkimage=`echo "$option" | sed 's/--grub-mkimage=//'` ;;
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--image-type=*)
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image_type=`echo "$option" | sed 's/--image-type=//'`
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case "$image_type" in
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floppy|cdrom) ;;
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*)
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echo "Unknown image type \`$image_type'" 1>&2
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exit 1 ;;
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esac ;;
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-*)
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echo "Unrecognized option \`$option'" 1>&2
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usage
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exit 1
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;;
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*)
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if test "x$output_image" != x; then
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echo "Unrecognized option \`$option'" 1>&2
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usage
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exit 1
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fi
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output_image="${option}" ;;
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esac
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done
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2007-06-11 19:22:27 +00:00
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if test "x$output_image" = x; then
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usage
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exit 1
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fi
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2008-02-03 18:30:20 +00:00
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aux_dir=`mktemp -d`
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mkdir -p ${aux_dir}/boot/grub
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2007-06-11 06:26:18 +00:00
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2008-01-23 11:25:52 +00:00
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cp ${input_dir}/*.mod \
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${input_dir}/command.lst ${input_dir}/moddep.lst ${input_dir}/fs.lst \
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2008-02-03 18:30:20 +00:00
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${aux_dir}/boot/grub/
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2008-01-23 11:25:52 +00:00
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if test "x$overlay" = x ; then : ; else
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2008-02-03 18:30:20 +00:00
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cp -dpR ${overlay}/* ${aux_dir}/
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2008-01-23 11:25:52 +00:00
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fi
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2007-06-11 06:26:18 +00:00
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if [ "x${image_type}" = "xfloppy" ] ; then
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2008-02-03 18:30:20 +00:00
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# build memdisk
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memdisk_img=`mktemp`
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tar -C ${aux_dir} -cf ${memdisk_img} boot
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rm -rf ${aux_dir}
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# build core.img
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core_img=`mktemp`
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${grub_mkimage} -d ${input_dir}/ -m ${memdisk_img} -o ${core_img} memdisk cpio biosdisk ${modules}
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rm -f ${memdisk_img}
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# build floppy image
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cat ${input_dir}/boot.img ${core_img} /dev/zero | dd bs=1024 count=1440 > $output_image
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rm -f ${core_img}
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else
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# build core.img
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core_img=`mktemp`
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${grub_mkimage} -d ${input_dir}/ -o ${core_img} biosdisk iso9660 ${modules}
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# build grub_eltorito image
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cat ${input_dir}/cdboot.img ${core_img} > ${aux_dir}/boot/grub/grub_eltorito
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rm -f ${core_img}
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# build iso image
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genisoimage -b boot/grub/grub_eltorito \
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-no-emul-boot -boot-load-size 4 -boot-info-table \
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-o ${output_image} -r ${aux_dir}
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rm -rf ${aux_dir}
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2007-06-11 06:26:18 +00:00
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fi
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exit 0
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