There are several Archlinux repos but only General and PinePhone are actively maintained. PKGBUILD files can be found on GitLab, GitHub and my self-hosted repo
Be aware we don't exactly know what we are doing!
Here you can find some AUR packages I use and some of my personal stuff. As for AUR packages I try to keep them up to date. There are times when packages in this repo are fresher than in AUR because I keep an eye on upstreams. Don't count on it though.
Further instruction is TLDR of this two bits of Archwiki: Unofficial user repositories and Adding unofficial keys.
To enable general archlinux repo add following to your /etc/pacman.conf:
[ejiek]
Server = https://repo.ejiek.com/archlinux/general/$arch/
Get the key:
# pacman-key --keyserver hkp://keys.gnupg.net --recv-keys E2167FCB35323894F4DA87385432921F91514C5E
Locally sign it:
# pacman-key --lsign-key E2167FCB35323894F4DA87385432921F91514C5E
Roll with it =]
PS. To start rolling: update package database with pacman -Sy and check what new, shiny stuff is now available with pacman -Sl ejiek
Once in a while key tends to expire. Don't panic! It's called key rotation and it's for the greater good.
To fix it just download updated version:
# pacman-key --keyserver hkp://keys.gnupg.net --recv-keys E2167FCB35323894F4DA87385432921F91514C5E
Here you can find all the stuff I'm playing with on a PinePhone.
[ejiek-pp]
Server = https://repo.ejiek.com/archlinux/pinephone/$arch/
All the other parts are similar to the General repo.