$ git clone -n https://src.fedoraproject.org/rpms/python-pycec.git /var/lib/mock/f45-build-32070-657/root/chroot_tmpdir/scmroot/python-pycec
Cloning into '/var/lib/mock/f45-build-32070-657/root/chroot_tmpdir/scmroot/python-pycec'...
$ git fetch origin 9078e7bc6df2cf7f6ec4587aabd8a0182567ddae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pycec
 * [new ref]         9078e7bc6df2cf7f6ec4587aabd8a0182567ddae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9078e7b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild