113 lines
2.7 KiB
Bash
Executable file
113 lines
2.7 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=$(</proc/cmdline)
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device="unknown"
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android_system_dir="unknown"
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android_system_img="unknown"
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target_checksum="unknown"
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if [[ "$cmdline" =~ ^(.*)androidboot.hardware\=mt6797(.*)$ ]];
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then
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device="mt6797"
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fi
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if [[ "$cmdline" =~ ^(.*)androidboot.hardware\=mt6771(.*)$ ]];
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then
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device="mt6771"
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fi
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if [[ "$cmdline" =~ ^(.*)androidboot.hardware\=mt6873(.*)$ ]];
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then
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device="mt6873"
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fi
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if [ -f "/proc/device-tree/model" -a "$device" == unknown ];
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then
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model=$(</proc/device-tree/model)
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if [[ "$model" =~ ^(.*)MT6797(.*)$ ]];
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then
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device="mt6797"
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fi
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if [[ "$model" =~ ^(.*)MT6771(.*)$ ]];
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then
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device="mt6771"
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fi
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if [[ "$model" =~ ^(.*)MT6873(.*)$ ]];
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then
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device="mt6873"
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fi
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fi
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if [ "$device" == unknown ]; then
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pid=$$
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while [ "$device" == unknown -a $pid != 1 ]; do
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env=`strings /proc/$pid/environ`
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device=`echo "$env"|awk -F= '$1 == "TARGET_DEVICE" { print $2; }'`
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pid=`ps -oppid -p$pid|tail -1|awk '{print $1}'`
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done
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fi
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case $device in
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"mt6797")
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android_system_dir="/data"
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android_system_img="/data/system.img"
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target_checksum="39cd17718e838823c80be0ddfc9763d88e32c1b0"
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;;
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"mt6771")
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android_system_dir="/var/lib/lxc/android"
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android_system_img="/var/lib/lxc/android/android-rootfs.img"
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target_checksum="f8b91bd83795c62f1e9b33be9a4156bdf4a90658"
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;;
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"mt6873")
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android_system_dir="/var/lib/lxc/android"
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android_system_img="/var/lib/lxc/android/android-rootfs.img"
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target_checksum="719e8fea179d109aa64586e754d69c9a53da28cd"
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;;
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esac
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[ -e /lib/udev/rules.d/80-keyboard.rules ] || \
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cp /usr/lib/gemian/udev-rules/80-keyboard-$device.rules /lib/udev/rules.d/80-keyboard.rules
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[ -e /lib/udev/rules.d/70-$device.rules ] || \
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cp /usr/lib/gemian/udev-rules/70-$device.rules /lib/udev/rules.d/
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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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mkdir -p $android_system_dir
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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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