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59 lines
1.2 KiB
Bash
59 lines
1.2 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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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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[ ! -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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if [ -f /data/adb/magisk.img ]; then
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mount_image /data/adb/magisk.img /magisk
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elif [ -f /data/magisk.img ]; then
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mount_image /data/magisk.img /magisk
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fi
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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 (is_mounted /magisk); then
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if [ -f /tmp/loopdevice ]; then
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umount_magisk
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else echo "Magisk is mounted, but not using mount-magisk"
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echo "not unmounting Magisk"
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fi
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else mount_magisk
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fi
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