GottZ [1] filed an orphan request for git-graph [2]: no response. I've already re-built this package with 0.6.0 successfully. there isn't any change required except for the pkgbuild tarball link and hash.
[1] https://aur.archlinux.org/account/GottZ/ [2] https://aur.archlinux.org/pkgbase/git-graph/
