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deb https://mirrors.aliyun.com/ubuntu/ xenial main
deb-src https://mirrors.aliyun.com/ubuntu/ xenial main

deb https://mirrors.aliyun.com/ubuntu/ xenial-updates main
deb-src https://mirrors.aliyun.com/ubuntu/ xenial-updates main

deb https://mirrors.aliyun.com/ubuntu/ xenial universe
deb-src https://mirrors.aliyun.com/ubuntu/ xenial universe
deb https://mirrors.aliyun.com/ubuntu/ xenial-updates universe
deb-src https://mirrors.aliyun.com/ubuntu/ xenial-updates universe

deb https://mirrors.aliyun.com/ubuntu/ xenial-security main
deb-src https://mirrors.aliyun.com/ubuntu/ xenial-security main
deb https://mirrors.aliyun.com/ubuntu/ xenial-security universe
deb-src https://mirrors.aliyun.com/ubuntu/ xenial-security universe

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#!/bin/sh

# 此脚本会调整手机的根分区大小，请小心。

echo "调整根分区的大小，这可能需要一些时间。。。"
echo "完成后，它将重新启动设备，确保您没有丢失任何工作！"

cd /userdata
echo "创建新的磁盘映像 4096"
dd bs=1M count=6144 if=/dev/zero of=system2.img
#这可能需要一段时间, put the kettle on

#mount it as a loopback device
losetup -f --show system2.img
#copy from existing loopback to current one
dd if=/dev/loop0 of=/dev/loop2

echo "然后调整我们新设备上的文件系统大小。这可能会发出警告，接受它"
e2fsck -f /dev/loop2
resize2fs /dev/loop2

echo "现在把我们的新形象换成旧形象"
mv system.img system.old
mv system2.img system.img

reboot

echo "享受你的新 / space"
df -h
#清理旧文件
rm /userdata/system.old