$ git clone -n https://src.fedoraproject.org/rpms/docopt-cpp.git /var/lib/mock/f41-build-side-1-2817274-32985/root/chroot_tmpdir/scmroot/docopt-cpp
Cloning into '/var/lib/mock/f41-build-side-1-2817274-32985/root/chroot_tmpdir/scmroot/docopt-cpp'...
$ git fetch origin e5f651565400aa251d48c392164be9430e537695:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/docopt-cpp
 * [new ref]         e5f651565400aa251d48c392164be9430e537695 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5f6515 convert license to SPDX