$ git clone -n https://src.fedoraproject.org/rpms/python-more-itertools.git /var/lib/mock/f45-build-31642-654/root/chroot_tmpdir/scmroot/python-more-itertools
Cloning into '/var/lib/mock/f45-build-31642-654/root/chroot_tmpdir/scmroot/python-more-itertools'...
$ git fetch origin 5d359eb2d896b4ee992d73d079349a979cf6eedb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-more-itertools
 * [new ref]         5d359eb2d896b4ee992d73d079349a979cf6eedb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d359eb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild