$ git clone -n https://src.fedoraproject.org/rpms/erlang-unicode_util_compat.git /var/lib/mock/f41-build-side-1-2811274-32927/root/chroot_tmpdir/scmroot/erlang-unicode_util_compat
Cloning into '/var/lib/mock/f41-build-side-1-2811274-32927/root/chroot_tmpdir/scmroot/erlang-unicode_util_compat'...
$ git fetch origin 253134b88cd534ec2c4f58c0eccee13ca9c0831a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-unicode_util_compat
 * [new ref]         253134b88cd534ec2c4f58c0eccee13ca9c0831a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 253134b No longer required since Erlang 20+. The only library which used it no longer does.