$ git clone -n https://src.fedoraproject.org/rpms/erlang-snappy.git /var/lib/mock/f31-build-48118-27018/root/chroot_tmpdir/scmroot/erlang-snappy
Cloning into '/var/lib/mock/f31-build-48118-27018/root/chroot_tmpdir/scmroot/erlang-snappy'...
$ git reset --hard 04b37e365dc6c0af121d8381bc02d3bbca93856d
HEAD is now at 04b37e3 Rebuild for Erlang 21