MarsSeed [1] filed a deletion request for checkmate-git [2]: Discontinued since 2017. [a]
Not a VCS package. Not needed to keep: there are other alternative tools to calculate and verify checksum hashes. [a]: http://github.com/pazuzu156/checkmate [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/checkmate-git/
