Artix Linux is mostly Arch Linux, minus systemd of course, and with a few packages that replace it's absence.
In order to add some packages that may not be available, it's possible to add the Arch Linux Extra Mirror.
pacman -S artix-archlinux-support
wget https://archlinux.org/mirrorlist/all/ -O /etc/pacman.d/mirrorlist-arch
Edit /etc/pacman.conf and activate the mirror.
[extra]
Include = /etc/pacman.d/mirrorlist-arch
Populate the Arch Linux keyring and synchronize the repository
pacman-key --populate archlinux
pacman -Syu
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