$ git clone -n https://src.fedoraproject.org/rpms/erlang-js.git /var/lib/mock/f41-build-811291-147309/root/chroot_tmpdir/scmroot/erlang-js
Cloning into '/var/lib/mock/f41-build-811291-147309/root/chroot_tmpdir/scmroot/erlang-js'...
$ git reset --hard d9cff6d452b903514f008c9e4443485fc320627a
HEAD is now at d9cff6d Rebuild with a fixed Erlang macros