Update 20191124 - Fix script exit with no ssh connection - Latest releases of Arch Linux Arm not allow ssh by the script as of before - Improve ssh login - no need to type default passwords for alarm and root
rAudio @ https://github.com/rern/rAudio-1 Raspberry Pi 4B Raspberry Pi 3B > SMSL M8 DAC Raspberry Pi Zero W
Now it's just 1 line of commands for the whole process after partitioning.
I just used the DIY-method to generate a system without any of the 9* optional features (BT, Samba, ...); I do not need one of them. The process ran straight-forward and after the reboot I restored my last backup. Everything is ok. Perfect!
*The screenshot on the Github page displays 10 optional features, but the GPIO-module is no more selectable.