$ git clone -n https://src.fedoraproject.org/rpms/python-beanprice.git /var/lib/mock/f45-build-29736-640/root/chroot_tmpdir/scmroot/python-beanprice
Cloning into '/var/lib/mock/f45-build-29736-640/root/chroot_tmpdir/scmroot/python-beanprice'...
$ git fetch origin 21bb6f79633cedcb09929f182459df740ef2bd7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-beanprice
 * [new ref]         21bb6f79633cedcb09929f182459df740ef2bd7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21bb6f7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild