$ git clone -n https://src.fedoraproject.org/rpms/python-gatspy.git /var/lib/mock/f45-build-30796-647/root/chroot_tmpdir/scmroot/python-gatspy
Cloning into '/var/lib/mock/f45-build-30796-647/root/chroot_tmpdir/scmroot/python-gatspy'...
$ git fetch origin c3b8ea3468ada13c9399c834600d30f75edbf7f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-gatspy
 * [new ref]         c3b8ea3468ada13c9399c834600d30f75edbf7f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c3b8ea3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild