Script to access a Specific Chroot in Android

enter-chroot

#!/system/bin/sh
#
# This will attempt to mount /proc, /sys, and /dev.
#
# Make sure your directory has sufficient permissions.

set -o errexit -o nounset


if [ ! -d "$1" ] || [ ! -n "$1" ]; then
   echo "Directory not found!";
   exit 2;
else
   echo "entering chroot..."
 if [  -z "$(ls -A $1/proc)" ] && [  -z "$(ls -A $1/sys) " ] && [ -z "$(ls -A $1/dev)" ]; then
   mount -t proc /proc "$1/proc"
   mount -t sysfs /sys "$1/sys"
   mount -o bind /dev "$1/dev"
   chroot "$1" /bin/sh -l
 elif [ -z "$(ls -A $1/dev)" ]; then
   mount -t proc /proc "$1/proc"
   mount -t sysfs /sys "$1/sys"
   mount -o bind /dev "$1/dev"
   chroot "$1" /bin/sh -l
 elif [ -z "$(ls -A $1/proc)" ]; then
   mount -t proc /proc "$1/proc"
   mount -t sysfs /sys "$1/sys"
   mount -o bind /dev "$1/dev"
   chroot "$1" /bin/sh -l
 else
    chroot "$1" /bin/sh -l
  fi
fi