Its working with newest HASS ! 
Please try new script:
1. Boot as ussual old image gparted
2. click on Network settings and after 1sec press enter (now you have internet online)
3. open terminal, write 'cd /home/'
4. write 'sudo rm execute.sh'
5. write in terminal 'sudo wget "https://raw.githubusercontent.com/ukrolelo/hassos_nas_mount/dev/execute.sh" '
6. write in terminal 'sudo chmod +x execute.sh'
7. write in terminal 'sudo ./execute.sh'
Fill everything and reboot, give me info, thx
After you confirm will change the script in the image, i am not ready to move it to config yet 