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|
#!/bin/sh
# lh_binary_rootfs(1) - build rootfs image
# Copyright (C) 2006-2007 Daniel Baumann <daniel@debian.org>
#
# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
# This is free software, and you are welcome to redistribute it
# under certain conditions; see COPYING for details.
set -e
# Including common functions
LH_BASE="${LH_BASE:-/usr/share/live-helper}"
for FUNCTION in "${LH_BASE}"/functions/*.sh
do
. "${FUNCTION}"
done
# Setting static variables
DESCRIPTION="build rootfs image"
HELP=""
USAGE="${PROGRAM} [--force]"
Arguments "${@}"
# Reading configuration files
Read_conffile config/common
Read_conffile config/bootstrap
Read_conffile config/chroot
Read_conffile config/binary
Read_conffile config/source
Set_defaults
Echo_message "Begin building root filesystem image..."
# Requiring stage file
Require_stagefile .stage/bootstrap
Require_stagefile .stage/binary_chroot
# Checking stage file
Check_stagefile .stage/binary_rootfs
# Checking lock file
Check_lockfile .lock
# Creating lock file
Create_lockfile .lock
case "${LIVE_ARCHITECTURE}" in
amd64|i386)
LINUX="vmlinuz"
;;
powerpc)
LINUX="vmlinux"
;;
esac
case "${LH_INITRAMFS}" in
casper)
INITFS="casper"
;;
live-initramfs)
INITFS="live"
;;
esac
# Creating directory
mkdir -p binary/${INITFS}
for STAGE in ${LH_CACHE_STAGES}
do
if [ "${STAGE}" = "rootfs" ] && [ -d cache/stages_rootfs ]
then
# Removing old chroot
rm -rf binary/"${INITFS}"/filesystem.*
# Restoring old cache
mkdir -p binary/"${INITFS}"
${LH_ROOT_COMMAND} cp -al cache/stages_rootfs/filesystem.* binary/"${INITFS}"
if [ -n "${LH_ROOT_COMMAND}" ]
then
${LH_ROOT_COMMAND} chown -R `whoami`:`whoami` binary
fi
# Creating stage file
Create_stagefile .stage/binary_rootfs
exit 0
fi
done
case "${LIVE_CHROOT_FILESYSTEM}" in
ext2)
# Checking depends
Check_package chroot/usr/bin/genext2fs genext2fs
# Installing depends
Install_package
# Remove old ext2 image
if [ -f binary/${INITFS}/filesystem.ext2 ]
then
rm -f binary/${INITFS}/filesystem.ext2
fi
DU_DIM="`du -ks chroot/chroot | cut -f1`"
REAL_DIM="`expr ${DU_DIM} + ${DU_DIM} / 20`" # Just 5% more to be sure, need something more sophistcated here...
Chroot "genext2fs --size-in-blocks=${REAL_DIM} --reserved-blocks=0 --root=chroot filesystem.ext2"
# Move image
mv chroot/filesystem.ext2 binary/${INITFS}
rm -rf chroot/chroot
# Removing depends
Remove_package
;;
plain)
if [ -d binary/${INITFS}/filesystem.dir ]
then
rm -rf binary/${INITFS}/filesystem.dir
fi
mv chroot/chroot binary/${INITFS}/filesystem.dir
;;
squashfs)
# Checking depends
Check_package chroot/usr/sbin/mksquashfs squashfs-tools
# Installing depends
Install_package
# Remove old squashfs image
if [ -f binary/${INITFS}/filesystem.squashfs ]
then
rm -f binary/${INITFS}/filesystem.squashfs
fi
if [ "${LH_QUIET}" = "enabled" ] && [ "${LIVE_DISTRIBUTION}" != "etch" ] && [ "${LIVE_DISTRIBUTION}" != "testing" ]
then
MKSQUASHFS_OPTIONS="${MKSQUASHFS_OPTIONS} -no-progress"
fi
if [ "${LH_VERBOSE}" = "enabled" ]
then
MKSQUASHFS_OPTIONS="${MKSQUASHFS_OPTIONS} -info"
fi
if [ "${LIVE_PACKAGES_LISTS}" = "minimal" ] || [ "${LIVE_PACKAGES_LISTS}" = "mini" ]
then
MKSQUASHFS_OPTIONS="${MKSQUASHFS_OPTIONS} -e `ls chroot/boot/${LINUX}* chroot/boot/initrd.img* chroot/${LINUX}* chroot/initrd.img* | sed 's,chroot/,,g'`"
fi
if [ -f config/binary_rootfs/squashfs.sort ]
then
MKSQUASHFS_OPTIONS="${MKSQUASHFS_OPTIONS} -sort squashfs.sort"
cp config/binary_rootfs/squashfs.sort chroot
fi
# Create image
Chroot "mksquashfs chroot filesystem.squashfs ${MKSQUASHFS_OPTIONS}"
# Move image
${LH_ROOT_COMMAND} mv chroot/filesystem.squashfs binary/${INITFS}
${LH_ROOT_COMMAND} rm -rf chroot/chroot chroot/squashfs.sort
if [ -n "${LH_ROOT_COMMAND}" ]
then
${LH_ROOT_COMMAND} chown -R `whoami`:`whoami` binary/${INITFS}
fi
# Removing depends
Remove_package
;;
esac
for STAGE in ${LH_CACHE_STAGES}
do
if [ "${STAGE}" = "rootfs" ]
then
rm -rf cache/stages_rootfs
mkdir -p cache/stages_rootfs
${LH_ROOT_COMMAND} cp -al binary/"${INITFS}"/filesystem.* cache/stages_rootfs
if [ -n "${LH_ROOT_COMMAND}" ]
then
${LH_ROOT_COMMAND} chown -R `whoami`:`whoami` cache/stages_rootfs
fi
fi
done
# Creating stage file
Create_stagefile .stage/binary_rootfs
|
