$ git clone -n https://src.fedoraproject.org/rpms/dxcc.git /var/lib/mock/f41-build-1018518-17947/root/chroot_tmpdir/scmroot/dxcc
Cloning into '/var/lib/mock/f41-build-1018518-17947/root/chroot_tmpdir/scmroot/dxcc'...
$ git fetch origin e7f067004641dbaca29d043c7947d66667ab6576:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dxcc
 * [new ref]         e7f067004641dbaca29d043c7947d66667ab6576 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e7f0670 Eliminate use of obsolete %patchN syntax (#2283636)