$ git clone -n https://src.fedoraproject.org/rpms/python-managesieve.git /var/lib/mock/f45-build-31486-652/root/chroot_tmpdir/scmroot/python-managesieve
Cloning into '/var/lib/mock/f45-build-31486-652/root/chroot_tmpdir/scmroot/python-managesieve'...
$ git fetch origin 7f9c9649fd52152b8333dc777622f30f938d13c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-managesieve
 * [new ref]         7f9c9649fd52152b8333dc777622f30f938d13c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f9c964 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild