Pacman aurutils
From wikinotes
aurutils manages aur packages within your own local pacman repository.
You can then host/share this package repository with other arch systems.
Documentation
github https://github.com/AladW/aurutils man aur
https://github.com/AladW/aurutils/blob/master/man1/aur.1 man aurhosting
https://github.com/AladW/aurutils/blob/master/man7/aurhosting.7
Install
aura -A aurutils
Usage
aur search aurutils # there are many options