$ git clone -n https://src.fedoraproject.org/rpms/crosswords-puzzle-sets-nienteperniente.git /var/lib/mock/f45-build-5712-341/root/chroot_tmpdir/scmroot/crosswords-puzzle-sets-nienteperniente
Cloning into '/var/lib/mock/f45-build-5712-341/root/chroot_tmpdir/scmroot/crosswords-puzzle-sets-nienteperniente'...
$ git fetch origin 315bf560c999e71a2cc25140f8c5f45587e4652f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/crosswords-puzzle-sets-nienteperniente
 * [new ref]         315bf560c999e71a2cc25140f8c5f45587e4652f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 315bf56 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild