#! /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 . # Initialize some variables. transform="@program_transform_name@" prefix=@prefix@ exec_prefix=@exec_prefix@ 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 ${transform}` grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}` # Usage: usage # Print the usage. usage () { cat <. EOF } image_type=cdrom input_dir=${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 cp ${input_dir}/*.mod \ ${input_dir}/command.lst ${input_dir}/moddep.lst ${input_dir}/fs.lst \ ${input_dir}/handler.lst ${input_dir}/parttool.lst \ ${aux_dir}/boot/grub/ 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