$ git clone -n https://src.fedoraproject.org/rpms/python-pyro.git /var/lib/mock/f45-build-32390-659/root/chroot_tmpdir/scmroot/python-pyro
Cloning into '/var/lib/mock/f45-build-32390-659/root/chroot_tmpdir/scmroot/python-pyro'...
$ git fetch origin fccf34a3187e2188665a2a40392c2f6422d2e4d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyro
 * [new ref]         fccf34a3187e2188665a2a40392c2f6422d2e4d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fccf34a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild