$ git clone -n https://src.fedoraproject.org/rpms/openarena.git /var/lib/mock/f45-build-20975-576/root/chroot_tmpdir/scmroot/openarena
Cloning into '/var/lib/mock/f45-build-20975-576/root/chroot_tmpdir/scmroot/openarena'...
$ git fetch origin 76a1a67110fec767e038d8b77c76092495c8102a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openarena
 * [new ref]         76a1a67110fec767e038d8b77c76092495c8102a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76a1a67 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild