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#!/bin/sh
#
# make_upgrade_image.sh
#
# Convert Tizen 3.0 platform image to upgrade image (2.4 -> 3.0)
# For sdb debugging
sdb_debugging=1
sdb_rule='SUBSYSTEM=="switch", ATTR{name}=="usb_cable", ATTR{state}=="1", RUN+="/usr/bin/direct_set_debug.sh --sdb-set"\nSUBSYSTEM=="switch", ATTR{name}=="usb_cable", ATTR{state}=="0", RUN+="/usr/bin/direct_set_debug.sh --sdb-unset"'
# Back up /home/owner & rpm db
backup () {
echo "Back up home & rpm db"
local tmp_path=$1
umount ${tmp_path}
e2fsck -f rootfs.img
resize2fs rootfs.img 1G
mount rootfs.img ${tmp_path}
mount system-data.img ${tmp_path}/opt
mount user.img ${tmp_path}/opt/usr
mkdir ${tmp_path}/usr/share/upgrade/data/home
cp -af ${tmp_path}/opt/usr/home/owner ${tmp_path}/usr/share/upgrade/data/home
mkdir ${tmp_path}/usr/share/upgrade/data/rpm
cp -af ${tmp_path}/opt/var/lib/rpm/* ${tmp_path}/usr/share/upgrade/data/rpm
sync
umount -l ${tmp_path}/opt/usr
umount -l ${tmp_path}/opt
umount ${tmp_path}
e2fsck -f rootfs.img
resize2fs -M rootfs.img
mount rootfs.img ${tmp_path}
}
if [ `id -u` -ne 0 ]
then
echo "make_upgrade_image.sh should be executed as root"
exit
fi
if [ ! $1 ]
then
echo "usage: $0 [tizen-3.0-image(tar.gz)]"
exit
fi
echo "Decompressing $1"
imgs=`tar zxvf $1`
tmp_root=`mktemp -d system.XXX`
echo "Mount rootfs.img"
mount rootfs.img ${tmp_root}
cwd=`pwd`
backup ${cwd}/${tmp_root}
echo "Make /system-update"
ln -s /usr/share/upgrade/ ${tmp_root}/system-update
# For sdb debugging
if [ ${sdb_debugging} -eq 1 ]
then
echo "Install sdb rule file"
rule_file="99-sdb-switch.rules"
echo ${sdb_rule} > ${rule_file}
install -m 644 ${rule_file} ${tmp_root}/usr/lib/udev/rules.d
rm ${rule_file}
fi
sync
umount ${tmp_root}
upgrade_img=`echo $1 | sed -e 's/\.tar\.gz//'`-upgrade.tar.gz
echo "Compressing upgrade image ${upgrade_img}"
tar zcf ${upgrade_img} dzImage modules.img rootfs.img
echo "Remove dummies"
rm -rf ${imgs} ${tmp_root}
echo "Done"
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