$ git clone -n https://src.fedoraproject.org/rpms/python-voluptuous.git /var/lib/mock/f45-build-33601-671/root/chroot_tmpdir/scmroot/python-voluptuous
Cloning into '/var/lib/mock/f45-build-33601-671/root/chroot_tmpdir/scmroot/python-voluptuous'...
$ git fetch origin ba6050da05e7a3f01c65e5aed9383d1ab712ab64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-voluptuous
 * [new ref]         ba6050da05e7a3f01c65e5aed9383d1ab712ab64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba6050d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild