$ git clone -n https://src.fedoraproject.org/rpms/cf-bonveno-fonts.git /var/lib/mock/f45-build-4918-336/root/chroot_tmpdir/scmroot/cf-bonveno-fonts
Cloning into '/var/lib/mock/f45-build-4918-336/root/chroot_tmpdir/scmroot/cf-bonveno-fonts'...
$ git fetch origin 37b306c162433ed6b6a88e8c14d5f9b6adac5bd7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cf-bonveno-fonts
 * [new ref]         37b306c162433ed6b6a88e8c14d5f9b6adac5bd7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37b306c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild