post_install() {
  post_upgrade  
}

post_upgrade() {

  # Provided by anbox-modules-dkms-git
  modprobe binder_linux ashmem_linux

  # Required by Anbox network bridge
  systemctl restart systemd-networkd

  systemctl enable lxc.service
  systemctl start lxc.service
  systemctl enable anbox-container-manager.service
  systemctl start anbox-container-manager.service

echo "
Add the following lines to /etc/subuid and /etc/subgid:

root:100000:65536
root:1000:2
root:101001:99999

This ensures that Android LXC container user & group mappings are isolated
from the main OS.

Enable Anbox for the current user by issuing:

systemctl --user enable anbox-session-manager.service
systemctl --user start anbox-session-manager.service

- You must have kernel modules 'binder_linux' and 'ashmem_linux' enabled and in-use (provided by anbox-modules-dkms-git)
- You must have proper 'android.img' Android image file for Anbox container manager system service (provided by anbox-image)
  - Default location: /var/lib/anbox/android.img

- You find logs at /var/lib/anbox/logs/ folder for debugging
  - Also consider running Anbox managers (both container & session) with env var ANBOX_LOG_LEVEL=debug
"

}

post_remove() {

  # Ensure Anbox network bridge is removed
  systemctl restart systemd-networkd
 
  # Delete LXC user & group mappings
  for file in subuid subgid; do
    sed -i 's/root:100000:65536//; s/root:1000:2//; s/root:101001:99999//' /etc/${file}
  done
  systemctl restart lxc.service

echo "
LXC service is still running. You may want to disable it by issuing

sudo systemctl stop lxc.service && sudo systemctl disable lxc.service
"
}