$ git clone -n https://src.fedoraproject.org/rpms/ophcrack.git /var/lib/mock/f45-build-21185-580/root/chroot_tmpdir/scmroot/ophcrack
Cloning into '/var/lib/mock/f45-build-21185-580/root/chroot_tmpdir/scmroot/ophcrack'...
$ git fetch origin 405851e3445532bd46efd09ee8a1cfca0fb9a401:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ophcrack
 * [new ref]         405851e3445532bd46efd09ee8a1cfca0fb9a401 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 405851e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild