mirror of
https://gitee.com/open-loongarch/buildroot.git
synced 2026-10-25 12:57:11 +08:00
286 lines
7.4 KiB
Bash
Executable File
286 lines
7.4 KiB
Bash
Executable File
echo " ";
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echo "*************************************************************************"
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echo "*********************************STARG 2*********************************"
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echo "*******************uzip system and setup it with fstab*******************"
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echo "*************************************************************************"
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echo " ";
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sleep 2;
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usb_partition="/dev/sdb1"
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usb_partition_bak="/dev/sdb"
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root_partition="/dev/sda1"
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data_partition="/dev/sda2"
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swap_partition="/dev/sda3"
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backup_partition="/dev/sda4"
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usb_mount_point="/mnt/usb0"
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root_mount_point="/mnt/usb1"
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data_mount_point="/mnt/usb2"
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swap_mount_point="/mnt/usb3"
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backup_mount_point="/mnt/usb4"
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install_target_type=0
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check_cmdline_ins_target()
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{
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install_target_type=0
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# install_target_type=$(cat /proc/cmdline | grep ins_target="scsi") #default is scsi
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install_target_type=$(cat /proc/cmdline | grep ins_target=mmc)
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if [ ! -z "$install_target_type" ]; then
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install_target_type=1
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usb_partition="/dev/sda1"
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usb_partition_bak="/dev/sda"
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root_partition="/dev/mmcblk0p1"
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data_partition="/dev/mmcblk0p2"
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swap_partition="/dev/mmcblk0p3"
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backup_partition="/dev/mmcblk0p4"
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return 0
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fi
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usb_partition="/dev/sdb1"
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usb_partition_bak="/dev/sdb"
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root_partition="/dev/sda1"
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data_partition="/dev/sda2"
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swap_partition="/dev/sda3"
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backup_partition="/dev/sda4"
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install_target_type=0
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}
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#错误信息输出到usb的install文件夹里的error.log
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#注意安装系统时install文件夹不要存放error.log
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#否则会先改名error.log.bak,多次执行后，这样可能会造成数据丢失
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error_inf_write_usb()
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{
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if mountpoint -q $usb_mount_point; then
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echo $1 >> $usb_mount_point"/install/error.log";
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else
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mount $usb_partition $usb_mount_point;
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if mountpoint -q $usb_mount_point; then
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echo $1 >> $usb_mount_point"/install/error.log";
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sync;
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umount $usb_mount_point;
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else
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echo "-------------> log error: couldn't mount usb("$usb_partition") <-------------"
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fi
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fi
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}
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error_inf_print()
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{
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echo "";
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echo "*************************************************************************"
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echo "********************************Error Log********************************"
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echo "*************************************************************************"
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echo $1
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error_inf_write_usb $1
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check_and_umount_for_safe;
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exit 1;
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}
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# sda1 / usb1
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# sda2 data usb2
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# sda3 swap usb3
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# sda4 backup usb4
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#uzip_rootfs 解压文件系统到根文件分区 必要
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#copy_uimage_to_boot 复制内核到/boot目录（没做boot分区）必要
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#copy_file_to_data 复制home opt var到data分区 不一定，根据fstab而定
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uzip_rootfs()
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{
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echo "-------------> stage2.1 unzip system <-------------"
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if [ -e "/dev/fb0" ]; then
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show_process_dev="/dev/tty0"
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else
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if [ -e "/dev/console" ]; then
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show_process_dev="/dev/console"
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else
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show_process_dev="/dev/tty0"
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fi
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fi
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if [ -e $backup_partition ]; then
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mount $backup_partition $backup_mount_point
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sync;
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mount $root_partition $root_mount_point
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sync;
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echo "can observe process in screen"
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pv $backup_mount_point/rootfs.tar.gz 2>$show_process_dev | tar -xzf - -C $root_mount_point;
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if [ $? -ne 0 ]; then
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error_inf_print "Error! unzip system failed! Please check rootfs.tar.gz and try again";
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fi
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else
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mount $root_partition $root_mount_point
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sync;
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echo "can observe process in screen"
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pv $root_mount_point/rootfs.tar.gz 2>$show_process_dev | tar -xzf - -C $root_mount_point;
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if [ $? -ne 0 ]; then
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error_inf_print "Error! unzip system failed! Please check rootfs.tar.gz and try again";
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fi
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rm -r $root_mount_point/rootfs.tar.gz
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fi
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check_and_umount_for_safe;
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return 0;
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}
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copy_uImage_to_boot()
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{
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echo "-------------> stage2.2 copy uImage to /boot <-------------"
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if [ -e $backup_partition ]; then
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mount $backup_partition $backup_mount_point
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sync;
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mount $root_partition $root_mount_point
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sync;
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#保证boot文件存在
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if [ ! -d $root_mount_point/boot ]; then
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mkdir $root_mount_point/boot
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fi
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cp -a $backup_mount_point/uImage $root_mount_point/boot/
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if [ $? -ne 0 ]; then
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error_inf_print "Error! copy uImage failed! Please try again";
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fi
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else
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mount $root_partition $root_mount_point
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sync;
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#保证boot文件存在
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if [ ! -d $root_mount_point/boot ]; then
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mkdir $root_mount_point/boot
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fi
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mv $root_mount_point/uImage $root_mount_point/boot/
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if [ $? -ne 0 ]; then
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error_inf_print "Error! copy uImage failed! Please try again";
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fi
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fi
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check_and_umount_for_safe;
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return 0;
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}
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copy_fstab()
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{
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echo "-------------> stage2.3 copy fstab to /etc/fstab <-------------"
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sda1_partition_target=0
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sda2_partition_target=0
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sda3_partition_target=0
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sda4_partition_target=0
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if [ -e $root_partition ]; then
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sda1_partition_target=1;
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fi
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if [ -e $data_partition ]; then
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sda2_partition_target=1;
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fi
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if [ -e $swap_partition ]; then
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sda3_partition_target=1;
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fi
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if [ -e $backup_partition ]; then
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sda4_partition_target=1;
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fi
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mount $root_partition $root_mount_point;
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sync;
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if [ -f $root_mount_point/etc/fstab ]; then
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cp $root_mount_point/etc/fstab $root_mount_point/etc/fstab_ori;
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cp "/home/fstab/"$sda4_partition_target$sda3_partition_target$sda2_partition_target$sda1_partition_target"part_fstab" $root_mount_point/etc/fstab;
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echo "" >> $root_mount_point/etc/fstab
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cat $root_mount_point/etc/fstab_ori | grep proc >> $root_mount_point/etc/fstab;
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cat $root_mount_point/etc/fstab_ori | grep sysfs >> $root_mount_point/etc/fstab;
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cat $root_mount_point/etc/fstab_ori | grep tmpfs >> $root_mount_point/etc/fstab;
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cat $root_mount_point/etc/fstab_ori | grep devpts >> $root_mount_point/etc/fstab;
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else
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cp "/home/fstab/"$sda4_partition_target$sda3_partition_target$sda2_partition_target$sda1_partition_target"part_fstab" $root_mount_point/etc/fstab;
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fi
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check_and_umount_for_safe;
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return 0;
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}
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copy_file_to_data()
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{
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echo "-------------> stage2.4 copy file to data partition <-------------"
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mount $data_partition $data_mount_point;
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sync;
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mount $root_partition $root_mount_point;
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sync;
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cp -a $root_mount_point/root/ $data_mount_point;
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cp -a $root_mount_point/home/ $data_mount_point;
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cp -a $root_mount_point/opt/ $data_mount_point;
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cp -a $root_mount_point/var/ $data_mount_point;
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sync;
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rm -r $root_mount_point/root/
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rm -r $root_mount_point/home/
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rm -r $root_mount_point/opt/
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rm -r $root_mount_point/var/
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mkdir -p $root_mount_point/root/
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mkdir -p $root_mount_point/home/
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mkdir -p $root_mount_point/opt/
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mkdir -p $root_mount_point/var/
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mkdir -p $root_mount_point/data/
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sync;
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check_and_umount_for_safe;
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return 0;
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}
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#防止前面的脚本出现错误，导致没有解除挂载一些已经挂载的分区。
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check_and_umount_for_safe()
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{
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for i in /mnt/usb*; do
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{
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if mountpoint -q $i; then
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sync;
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umount $i;
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fi
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}
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done
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}
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#相关分区
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#backup分区
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start_stage2()
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{
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uzip_rootfs
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echo ""
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copy_uImage_to_boot
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echo ""
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copy_fstab;
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echo ""
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if [ -e $data_partition ]; then
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copy_file_to_data
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fi
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}
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check_usb_name()
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{
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if [ ! -e $usb_partition ]; then
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usb_partition=$usb_partition_bak
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fi
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}
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###################start##########################
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###################start##########################
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###################start##########################
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check_cmdline_ins_target
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#防止第一个阶段因未知原因而导致没有解除挂载
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if [ $# -eq 1 ]; then
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usb_partition=$1
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fi
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check_and_umount_for_safe;
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check_usb_name; #如果前面有参数 那么 这里的判断等于白做事
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start_stage2;
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check_and_umount_for_safe;
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echo "-------------> stage2 end <-------------"
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/home/install_reboot.sh
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