253 lines
6.7 KiB
Bash
Executable File
253 lines
6.7 KiB
Bash
Executable File
#! /bin/bash
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###########################################################################
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# GLUED: GNU/Linux Uniform Environment Distribution #
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# Copyright (C) 2007-2013 Universidade do Porto - Faculdade de Engenharia #
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# Laboratório de Sistemas e Tecnologia Subaquática (LSTS) #
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###########################################################################
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# This program 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 2 of the License, or (at #
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# your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, but #
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# WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU #
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# General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program; if not, write to the Free Software #
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA #
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# 02110-1301 USA. #
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###########################################################################
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cmd_parted()
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{
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dev="$1"; shift
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"$cmd_parted" "$dev" -a cylinder -s -- $@
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}
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cmd_mount()
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{
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fs="$1"
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dev="$2"
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mkdir -p mount &&
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mount -t "$fs" "$dev" mount
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}
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cmd_unmount()
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{
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while [ 1 ]; do
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(umount mount && rmdir mount) > /dev/null 2>&1
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[ $? -eq 0 ] && break
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sleep 1
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done
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}
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die()
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{
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umount mount > /dev/null 2>&1
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rmdir mount > /dev/null 2>&1
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[ -n "$dev_loop" ] && losetup -d "$dev_loop"
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exit 1
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}
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create_part_xboot()
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{
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nfo1 "X-Boot partition ($part_label)"
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nfo2 "Creating partition"
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cmd_parted "$dev_loop" \
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mkpart primary fat32 "$part_start" "$part_end" \
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set "$part_nr" boot on \
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align-check minimal "$part_nr" \
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|| die
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nfo2 "Creating filesystem"
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$cmd_mkdosfs -n "$part_label" "$part_dev" > /dev/null || die
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nfo2 "Populating filesystem"
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cmd_mount vfat "$part_dev" || die
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for f in MLO u-boot.img uEnv.txt; do
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if [ -f "$cfg_sys_family/rootfs/boot/$f" ]; then
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nfo2 installing $f to boot partition
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cp "$cfg_sys_family/rootfs/boot/$f" mount || die
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fi
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done
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cmd_parted "$dev_loop" \
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set "$part_nr" lba on \
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|| die
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cmd_parted "$dev_loop" print > /dev/null
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}
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create_part_root()
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{
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nfo1 "Root partition ($part_label)"
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nfo2 "Creating partition"
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cmd_parted "$dev_loop" \
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mkpart primary ext2 "$part_start" "$part_end" \
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align-check minimal "$part_nr" \
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|| die
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nfo2 "Creating filesystem"
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mkfs.ext2 -q -L "$part_label" "$part_dev" || die
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nfo2 "Populating filesystem"
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cmd_mount ext2 "$part_dev" || die
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tar -C mount -pxf "$cfg_rootfs_tar" || die
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# Install bootloader.
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if [ -f "$cfg_sys_family/toolchain/bin/extlinux" ]; then
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nfo2 "Installing extlinux to root partition"
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"$cfg_sys_family/toolchain/bin/extlinux" -S 63 -H 255 -i mount/boot/extlinux || die
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fi
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cmd_unmount || die
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# Mark partition bootable if needed.
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if [ -f "$cfg_sys_family/toolchain/bin/extlinux" ]; then
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cmd_parted "$dev_loop" \
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set "$part_nr" boot on \
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|| die
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fi
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}
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create_part_data()
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{
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nfo1 "Data partition ($part_label)"
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nfo2 "Creating partition"
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cmd_parted "$dev_loop" \
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mkpart primary ext4 "$part_start" "$part_end" \
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align-check minimal "$part_nr" \
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|| die
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nfo2 "Creating filesystem"
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mkfs.ext4 -q -L "$part_label" -O dir_index "$part_dev" || die
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nfo2 "Populating filesystem"
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cmd_mount ext4 "$part_dev" || die
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mkdir mount/lsts || die
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cmd_unmount || die
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}
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export LC_ALL=C
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if [ -z "$BASH_VERSION" ]; then
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echo "ERROR: you must use bash to run this script."
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exit 1
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fi
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if [ "$(whoami)" != 'root' ]; then
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echo "ERROR: you must be root to execute this target."
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exit 1
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fi
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if [ $# -lt 2 ]; then
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echo "Usage: $0 <config> <disk> [disk_size]"
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exit 1
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fi
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source "$1"
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if ! [ -f "$cfg_rootfs_tar" ]; then
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echo "ERROR: you must run pkrootfs.bash first."
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exit 1
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fi
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if [ -x "$cfg_dir_toolchain/sbin/parted" ]; then
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cmd_parted="$cfg_dir_toolchain/sbin/parted"
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else
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echo "Warning: using system parted, this might lead to errors"
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cmd_parted="parted"
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fi
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if [ -x "$cfg_dir_toolchain/sbin/mkdosfs" ]; then
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cmd_mkdosfs="$cfg_dir_toolchain/sbin/mkdosfs"
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else
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echo "Warning: using system mkdosfs, this might lead to errors"
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cmd_mkdosfs="mkdosfs"
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fi
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source "functions.bash"
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dev="$2"
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# unmounting partitions on target device
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mounted_partition=$(mount | grep $dev | cut -f1 -d " ");
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if [ ${#mounted_partition} -gt 0 ]; then
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echo "Warning: some partitions of $hd_dev are mounted:"
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for p in ${mounted_partition};
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do
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echo " unmounting $p";
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umount $p;
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done
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fi
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if [ -z "$cfg_partitions" ]; then
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cfg_partitions=( \
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'root' 'root0' '512B' '532MiB'
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'data' 'data0' '532MiB' '-1'
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)
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fi
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# Loop device.
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dev_loop="$(losetup -f)"
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nfo1 "Attaching $dev to $dev_loop"
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losetup -v "$dev_loop" "$dev"
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if [ $? -ne 0 ]; then
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unset dev_loop
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die
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fi
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nfo1 "Obliterating partition table"
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dd if=/dev/zero of="$dev_loop" bs=1 count=1M count=32 > /dev/null 2>&1 || die
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nfo1 "Creating empty partition table"
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cmd_parted "$dev_loop" \
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mklabel msdos \
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|| die
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part_nr=1
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for ((i = 0; i < ${#cfg_partitions[@]}; i += 4)); do
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part_type="${cfg_partitions[$i+0]}"
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part_label="${cfg_partitions[$i+1]}"
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part_start="${cfg_partitions[$i+2]}"
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part_end="${cfg_partitions[$i+3]}"
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part_dev="${dev_loop}p${part_nr}"
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case $part_type in
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'x-boot')
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create_part_xboot
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;;
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'root')
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create_part_root
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;;
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'data')
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create_part_data
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;;
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*)
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echo "ERROR: unknown partition type '$part_type'"
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die
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;;
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esac
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let part_nr++
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done
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if [ -f "$cfg_sys_family/rootfs/boot/extlinux/mbr.bin" ]; then
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nfo1 "Installing bootloader in MBR..."
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dd if="$cfg_sys_family/rootfs/boot/extlinux/mbr.bin" of="$dev_loop" > /dev/null 2>&1
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fi
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nfo1 "Synchronizing caches"
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sync && sync && sync && sync && sync && sync
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blockdev --flushbufs "$dev_loop" || die
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nfo1 "Detaching loop device $dev_loop"
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losetup -v -d "$dev_loop"
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