$ git clone -n https://src.fedoraproject.org/rpms/hwloc.git /var/lib/mock/f41-build-858257-168337/root/chroot_tmpdir/scmroot/hwloc
Cloning into '/var/lib/mock/f41-build-858257-168337/root/chroot_tmpdir/scmroot/hwloc'...
$ git fetch origin 75e16cbd75cf9c2995b5cd7274079135ef72c36a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hwloc
 * [new ref]         75e16cbd75cf9c2995b5cd7274079135ef72c36a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75e16cb Updated to hwloc-2.11.2