+#! /bin/sh -e
+
+# Make GRUB rescue image
+# Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009 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="@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@
+
+coreboot_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/${target_cpu}-coreboot
+pc_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/${target_cpu}-pc
+grub_mkisofs="grub-mkisofs"
+
+# Usage: usage
+# Print the usage.
+usage () {
+ cat <<EOF
+Usage: $0 [OPTION] SOURCE...
+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
+ --output=FILE save output in FILE
+
+$0 generates a bootable rescue image with specified source files or directories.
+
+Report bugs to <bug-grub@gnu.org>.
+EOF
+}
+
+# Check the arguments.
+for option in "$@"; do
+ case "$option" in
+ -h | --help)
+ usage
+ exit 0 ;;
+ -v | --version)
+ echo "$0 (GNU GRUB ${PACKAGE_VERSION})"
+ exit 0 ;;
+ --modules=*)
+ modules=`echo "$option" | sed 's/--modules=//'` ;;
+ --output=*)
+ output_image=`echo "$option" | sed 's/--output=//'` ;;
+ -*)
+ echo "Unrecognized option \`$option'" 1>&2
+ usage
+ exit 1
+ ;;
+ *)
+ source="${source} ${option}" ;;
+ esac
+done
+
+iso9660_dir=`mktemp -d`
+mkdir -p ${iso9660_dir}/boot/grub
+
+for platform in pc coreboot ; do
+ input_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/${target_cpu}-${platform}
+ if test -e ${input_dir} ; then
+ mkdir -p ${iso9660_dir}/boot/grub/${target_cpu}-${platform}
+ 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" ${iso9660_dir}/boot/grub/${target_cpu}-${platform}/
+ fi
+ done
+ fi
+done
+
+# build coreboot core.img
+if test -e ${coreboot_dir} ; then
+ memdisk_img=`mktemp`
+ memdisk_dir=`mktemp -d`
+ mkdir -p ${memdisk_dir}/boot/grub
+ # obtain date-based UUID
+ iso_uuid=$(date +%Y-%m-%d-%H-%M-%S-00)
+
+ modules="$(cat ${coreboot_dir}/partmap.lst) ${modules}"
+ cat << EOF > ${memdisk_dir}/boot/grub/grub.cfg
+search --fs-uuid --set ${iso_uuid}
+set prefix=(\${root})/boot/grub/${target_cpu}-coreboot
+EOF
+ (for i in ${modules} ; do
+ echo "insmod $i"
+ done ; \
+ echo "source /boot/grub/grub.cfg") \
+ > ${iso9660_dir}/boot/grub/i386-pc/grub.cfg
+
+ tar -C ${memdisk_dir} -cf ${memdisk_img} boot
+ rm -rf ${memdisk_dir}
+ grub-mkelfimage -d ${coreboot_dir}/ -m ${memdisk_img} -o ${iso9660_dir}/boot/multiboot.img \
+ memdisk tar search iso9660 configfile sh \
+ ata at_keyboard
+ rm -f ${memdisk_img}
+ grub_mkisofs="${grub_mkisofs} --modification-date=$(echo ${iso_uuid} | sed -e s/-//g)"
+fi
+
+if [ "${source}" != "" ] ; then
+ for d in ${source}; do
+ echo "Processing $d"
+ cp -dpRl "${d}" ${iso9660_dir}/
+ done
+fi
+
+# build eltorito core.img
+if test -e ${pc_dir} ; then
+ core_img=`mktemp`
+ grub-mkimage -d ${pc_dir}/ -o ${core_img} --prefix=/boot/grub/i386-pc \
+ memdisk tar search iso9660 configfile sh \
+ biosdisk
+ cat ${pc_dir}/cdboot.img ${core_img} > ${iso9660_dir}/boot/grub/i386-pc/eltorito.img
+ rm -f ${core_img}
+
+ modules="$(cat ${pc_dir}/partmap.lst) ${modules}"
+ (for i in ${modules} ; do
+ echo "insmod $i"
+ done ; \
+ echo "source /boot/grub/grub.cfg") \
+ > ${iso9660_dir}/boot/grub/i386-pc/grub.cfg
+
+ grub_mkisofs="${grub_mkisofs} -b boot/grub/i386-pc/eltorito.img -boot-info-table"
+fi
+
+# build iso image
+${grub_mkisofs} -o ${output_image} -r -J ${iso9660_dir}
+rm -rf ${iso9660_dir}
+
+exit 0