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136 lines
3.0 KiB
Bash
136 lines
3.0 KiB
Bash
#!/sbin/sh
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is_mounted() {
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if [ ! -z "$2" ]; then
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cat /proc/mounts | grep $1 | grep $2, >/dev/null
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else
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cat /proc/mounts | grep $1 >/dev/null
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fi
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return $?
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}
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request_size_check() {
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reqSizeM=`unzip -l "$1" 2>/dev/null | tail -n 1 | awk '{ print $1 }'`
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reqSizeM=$((reqSizeM / 1048576 + 1))
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}
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image_size_check() {
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e2fsck -yf $1
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curBlocks=`e2fsck -n $1 2>/dev/null | grep $1 | cut -d, -f3 | cut -d\ -f2`;
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curUsedM=`echo "$curBlocks" | cut -d/ -f1`
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curSizeM=`echo "$curBlocks" | cut -d/ -f1`
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curFreeM=$(((curSizeM - curUsedM) * 4 / 1024))
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curUsedM=$((curUsedM * 4 / 1024 + 1))
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curSizeM=$((curSizeM * 4 / 1024))
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}
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grow_magisk_img () {
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request_size_check /tmp/services.jar
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image_size_check ${MAGISK_IMG}
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if [ "$reqSizeM" -gt "$curFreeM" ]; then
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SIZE=$(((reqSizeM + curUsedM) / 32 * 32 + 64))
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resize2fs ${MAGISK_IMG} ${SIZE}M
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fi
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}
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shrink_magisk_img () {
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image_size_check ${MAGISK_IMG}
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NEWDATASIZE=$((curUsedM / 32 * 32 + 32))
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if [ "$curSizeM" -gt "$NEWDATASIZE" ]; then
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resize2fs $IMG ${NEWDATASIZE}M
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fi
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}
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mount_image() {
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if [ ! -d "$2" ]; then
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mount -o rw,remount rootfs /
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mkdir -p "$2" 2>/dev/null
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$BOOTMODE && mount -o ro,remount rootfs /
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[ ! -d "$2" ] && return 1
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fi
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if ! is_mounted "$2"; then
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LOOPDEVICE=
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for LOOP in 0 1 2 3 4 5 6 7; do
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if ! is_mounted "$2"; then
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LOOPDEVICE=/dev/block/loop$LOOP
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[ -e $LOOPDEVICE ] || mknod $LOOPDEVICE b 7 $LOOP 2>/dev/null
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losetup $LOOPDEVICE "$1" && mount -t ext4 -o loop $LOOPDEVICE "$2"
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if is_mounted "$2"; then
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echo "$LOOPDEVICE" > /tmp/loopdevice
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break;
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fi
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fi
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done
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fi
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}
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mount_magisk () {
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mount /data &>/dev/null
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mount_image ${MAGISK_IMG} /magisk
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}
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umount_magisk () {
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umount /magisk
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losetup -d $(cat /tmp/loopdevice)
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rm /tmp/loopdevice
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}
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if [[ -f /data/adb/magisk.img ]]; then
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MAGISK_IMG=/data/adb/magisk.img
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elif [[ -f /data/magisk.img ]]; then
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MAGISK_IMG=/data/magisk.img
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fi
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if [[ -f ${MAGISK_IMG} ]]; then
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grow_magisk_img
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echo "magisk found: mount to /magisk"
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mount_magisk
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fi
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if [[ -f /data/adb/.nanodroid-patcher ]]; then
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echo " ++ /system/.nanodroid-patcher exists"
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echo " ++ assuming ROM is already patched"
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exit 0
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fi
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install_path=""
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if [[ -d /magisk/NanoDroid ]]; then
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echo "NanoDroid detected"
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install_path="/magisk/NanoDroid/system"
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mkdir -p "${install_path}"
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elif [[ -d /magisk/NanoDroid_microG ]]; then
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echo "NanoDroid microG detected"
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install_path="/magisk/NanoDroid_microG/system"
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mkdir -p "${install_path}"
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else
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echo "backing up services.jar to /sdcard"
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cp /tmp/services.jar /sdcard
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echo "using ROM as destination"
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install_path="/system"
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echo /system/framework/services.jar >> \
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/system/.nanodroid-list
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fi
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echo "install to \"${install_path}\""
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cp /tmp/services.jar "${install_path}/framework" || exit 1
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if [[ -f /tmp/Settings.apk ]]; then
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cp /tmp/Settings.apk "${install_path}/priv-app/Settings/Settings.apk" || exit 1
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fi
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touch /data/adb/.nanodroid-patcher
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if (is_mounted /magisk); then
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echo "unmount /magisk"
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umount_magisk
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shrink_magisk_img
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fi
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echo "unmount /system"
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umount /system
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