$ git clone -n https://src.fedoraproject.org/rpms/python-xlwt.git /var/lib/mock/f45-build-33753-674/root/chroot_tmpdir/scmroot/python-xlwt
Cloning into '/var/lib/mock/f45-build-33753-674/root/chroot_tmpdir/scmroot/python-xlwt'...
$ git fetch origin daa58a5d4e150bb4ef0e5b378511480d03c82448:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-xlwt
 * [new ref]         daa58a5d4e150bb4ef0e5b378511480d03c82448 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at daa58a5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild