kleintux [1] filed an orphan request for concord-git [2]: PKGBUILD is broken and uses SUDO. There is a comment from 2022-10-16 16:40 (WEST) with a fixed PKGBUILD. Maintainer did not fix since then.
[1] https://aur.archlinux.org/account/kleintux/ [2] https://aur.archlinux.org/pkgbase/concord-git/
