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- #! /bin/sh -e
-
- # Make GRUB rescue image
- # 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 <http://www.gnu.org/licenses/>.
-
- # Initialize some variables.
- transform="s,x,x,"
-
- prefix=/usr
- exec_prefix=${prefix}
- bindir=${exec_prefix}/bin
- libdir=${exec_prefix}/lib
- PACKAGE_NAME=GRUB
- PACKAGE_TARNAME=grub
- PACKAGE_VERSION=1.97~beta4
- target_cpu=i386
- platform=pc
- pkglibdir=${libdir}/`echo ${PACKAGE_TARNAME}/${target_cpu}-${platform} | sed ${transform}`
-
- grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}`
-
- # Usage: usage
- # Print the usage.
- usage () {
- cat <<EOF
- Usage: grub-mkrescue [OPTION] output_image
- Make GRUB rescue image.
-
- -h, --help print this message and exit
- -v, --version print the version information and exit
- --modules=MODULES pre-load specified modules MODULES
- --overlay=DIR overlay directory DIR in the memdisk image
- (may be specified multiple times)
- --pkglibdir=DIR use images from directory DIR instead of ${pkglibdir}
- --grub-mkimage=FILE use FILE as grub-mkimage
- --image-type=TYPE select floppy or cdrom (default)
- --emulation=TYPE select El Torito boot emulation type floppy
- or none (default) (cdrom only)
-
- grub-mkimage generates a bootable rescue image of the specified type.
-
- Report bugs to <bug-grub@gnu.org>.
- EOF
- }
-
- image_type=cdrom
- input_dir=${pkglibdir}
- emulation=none
-
- # Check the arguments.
- for option in "$@"; do
- case "$option" in
- -h | --help)
- usage
- exit 0 ;;
- -v | --version)
- echo "grub-mkrescue (GNU GRUB ${PACKAGE_VERSION})"
- exit 0 ;;
- --modules=*)
- modules=`echo "$option" | sed 's/--modules=//'` ;;
- --overlay=*)
- overlay=${overlay}${overlay:+ }`echo "$option" | sed 's/--overlay=//'` ;;
- --pkglibdir=*)
- input_dir=`echo "$option" | sed 's/--pkglibdir=//'` ;;
- --grub-mkimage=*)
- grub_mkimage=`echo "$option" | sed 's/--grub-mkimage=//'` ;;
- --image-type=*)
- image_type=`echo "$option" | sed 's/--image-type=//'`
- case "$image_type" in
- floppy|cdrom) ;;
- *)
- echo "Unknown image type \`$image_type'" 1>&2
- exit 1 ;;
- esac ;;
- --emulation=*)
- emulation=`echo "$option" | sed 's/--emulation=//'`
- case "$emulation" in
- floppy|none) ;;
- *)
- echo "Unknown emulation type \`$emulation'" 1>&2
- exit 1 ;;
- esac ;;
- -*)
- echo "Unrecognized option \`$option'" 1>&2
- usage
- exit 1
- ;;
- *)
- if test "x$output_image" != x; then
- echo "Unrecognized option \`$option'" 1>&2
- usage
- exit 1
- fi
- output_image="${option}" ;;
- esac
- done
-
- if test "x$output_image" = x; then
- usage
- exit 1
- fi
-
- aux_dir=`mktemp -d`
- mkdir -p ${aux_dir}/boot/grub
-
- for file in ${input_dir}/*.mod ${input_dir}/efiemu??.o \
- ${input_dir}/command.lst ${input_dir}/moddep.lst ${input_dir}/fs.lst \
- ${input_dir}/handler.lst ${input_dir}/parttool.lst; do
- if test -f "$file"; then
- cp -f "$file" ${aux_dir}/boot/grub/
- fi
- done
-
- modules="biosdisk `cat ${input_dir}/partmap.lst` ${modules}"
- for i in ${modules} ; do
- echo "insmod $i"
- done > ${aux_dir}/boot/grub/grub.cfg
-
- for d in ${overlay}; do
- echo "Overlaying $d"
- cp -dpR "${d}"/* "${aux_dir}"/
- done
-
- if [ "x${image_type}" = xfloppy -o "x${emulation}" = xfloppy ] ; then
- # build memdisk
- memdisk_img=`mktemp`
- tar -C ${aux_dir} -cf ${memdisk_img} boot
- rm -rf ${aux_dir}
-
- # build core.img
- core_img=`mktemp`
- ${grub_mkimage} -d ${input_dir}/ -m ${memdisk_img} -o ${core_img} memdisk tar
- rm -f ${memdisk_img}
-
- # build floppy image
- if [ "x${image_type}" = xcdrom ] ; then
- floppy_dir=`mktemp -d`
- floppy_img=${floppy_dir}/grub_floppy.img
- else
- floppy_img=${output_image}
- fi
- cat ${input_dir}/boot.img ${core_img} /dev/zero | dd bs=1024 count=1440 > ${floppy_img}
- rm -f ${core_img}
-
- if [ "x${image_type}" = xcdrom ] ; then
- # build iso image
- genisoimage -b grub_floppy.img \
- -o ${output_image} -r -J ${floppy_dir}
- rm -rf ${floppy_dir}
- fi
- else
- # build core.img
- core_img=`mktemp`
- ${grub_mkimage} -d ${input_dir}/ -o ${core_img} biosdisk iso9660
-
- # build grub_eltorito image
- cat ${input_dir}/cdboot.img ${core_img} > ${aux_dir}/boot/grub/grub_eltorito
- rm -f ${core_img}
-
- # build iso image
- genisoimage -b boot/grub/grub_eltorito \
- -no-emul-boot -boot-load-size 4 -boot-info-table \
- -o ${output_image} -r -J ${aux_dir}
- rm -rf ${aux_dir}
- fi
-
- exit 0
-