$ git clone -n https://src.fedoraproject.org/rpms/erlang-hamcrest.git /var/lib/mock/f41-build-735310-13228/root/chroot_tmpdir/scmroot/erlang-hamcrest
Cloning into '/var/lib/mock/f41-build-735310-13228/root/chroot_tmpdir/scmroot/erlang-hamcrest'...
$ git fetch origin 93117729f37ece3d21fb9b386044f335fa3723ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-hamcrest
 * [new ref]         93117729f37ece3d21fb9b386044f335fa3723ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9311772 More macros