$ git clone -n https://src.fedoraproject.org/rpms/NaturalDocs.git /var/lib/mock/f41-build-1111411-20153/root/chroot_tmpdir/scmroot/NaturalDocs
Cloning into '/var/lib/mock/f41-build-1111411-20153/root/chroot_tmpdir/scmroot/NaturalDocs'...
$ git fetch origin 1614191cbf786f41b9135f8064796ea4e48ec8c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/NaturalDocs
 * [new ref]         1614191cbf786f41b9135f8064796ea4e48ec8c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1614191 Eliminate use of obsolete %patchN syntax (#2283636)