rility  filed an orphan request for mtn-git :
This package has not been receiving updates ever, regardless of upstream, it failed to be able to build for nearly a year. I believe this fits orphan requirements.
 https://aur.archlinux.org/account/rility/  https://aur.archlinux.org/pkgbase/mtn-git/
Request #18502 has been accepted by polyzen .