MarsSeed [1] filed a deletion request for pachi-git [2]: Has not been buildable for the past 5 years. Last user comment is from 2019. Better to delete this unused and unusable package. Let users rely on the stable AUR/pachi, which is maintained, up-to- date and works.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/pachi-git/
