55 lines
1.4 KiB
Bash
Executable file
55 lines
1.4 KiB
Bash
Executable file
#!/bin/bash -e
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action="$1"
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oldversion="$2"
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if [ "$action" != configure ]; then
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exit 0
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fi
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cmdline=$(</proc/cmdline)
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android_system_img="unknown"
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target_checksum="unknown"
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if [[ "$cmdline" =~ ^(.*)androidboot.hardware\=mt6797(.*)$ ]];
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then
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android_system_img="/data/system.img"
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target_checksum="39cd17718e838823c80be0ddfc9763d88e32c1b0"
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fi
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if [[ "$cmdline" =~ ^(.*)androidboot.hardware\=mt6771(.*)$ ]];
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then
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android_system_img="/var/lib/lxc/android/android-rootfs.img"
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target_checksum="4478ce425e593fb708b86234a8ea83e6fcdaaeec"
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fi
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echo "Target checksum $target_checksum"
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echo "Checking $android_system_img"
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current_checksum="$(sha1sum $android_system_img | cut -d' ' -f1)"
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echo "Checksum $current_checksum"
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if [ "$target_checksum" == "$current_checksum" ];
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then
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echo "Android system image upto date"
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exit 0
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else
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tempfile="$(mktemp)"
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rm $tempfile
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echo "Downloading new Android system image"
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curl https://gemian.thinkglobally.org/system/system.$target_checksum.img.xz --output $tempfile.xz
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xz -d $tempfile.xz
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downloaded_checksum="$(sha1sum $tempfile | cut -d' ' -f1)"
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if [ "$target_checksum" == "$downloaded_checksum" ];
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then
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echo "Moving new system image into place, please reboot to activate"
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mv $tempfile $android_system_img
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exit 0
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else
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echo "Downloaded checksum fail - check your internet for random errors or man in the middle attacks and retry"
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exit 1
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fi
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fi
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