MarsSeed [1] filed a deletion request for docker-compose-v2-git [2]: Duplicate of AUR/docker-compose-git, same source URL. The 'v2' name qualifier is superfluous.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/docker-compose-v2-git/