haawda [1] filed a deletion request for gerbv-git [2]: The upstream git repo seems to be stale. The resulting package gives version 2.7A, whereas th package in [community] is at 2.8.1.
[1] https://aur.archlinux.org/account/haawda/ [2] https://aur.archlinux.org/pkgbase/gerbv-git/
