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autoupdate.sh: auto found unused loop dev

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Chuck 2020-04-14 19:08:03 +08:00 committed by GitHub
parent eaa03acc60
commit 8d1ceb1f04
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1 changed files with 4 additions and 3 deletions
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scripts/autoupdate.sh
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@ -21,9 +21,10 @@ if [ -f /mnt/mmcblk0p2/artifact/FriendlyWrt*.img.gz ]; then
pv /mnt/mmcblk0p2/artifact/FriendlyWrt*.img.gz | gunzip -dc > FriendlyWrt.img
echo -e '\e[92m准备解压镜像文件\e[0m'
fi
lodev=$(losetup -f)
mkdir /mnt/img
losetup -o 100663296 /dev/loop0 /mnt/mmcblk0p2/FriendlyWrt.img
mount /dev/loop0 /mnt/img
losetup -o 100663296 $lodev /mnt/mmcblk0p2/FriendlyWrt.img
mount $lodev /mnt/img
echo -e '\e[92m解压已完成，准备编辑镜像文件，写入备份信息\e[0m'
cd /mnt/img
sysupgrade -b /mnt/img/back.tar.gz
@ -32,7 +33,7 @@ echo -e '\e[92m备份文件已经写入，移除挂载\e[0m'
rm back.tar.gz
cd /tmp
umount /mnt/img
losetup -d /dev/loop0
losetup -d $lodev
echo -e '\e[92m准备重新打包\e[0m'
zstdmt /mnt/mmcblk0p2/FriendlyWrt.img -o /tmp/FriendlyWrtupdate.img.zst
echo -e '\e[92m打包完毕，准备刷机\e[0m'