$ git clone -n https://src.fedoraproject.org/rpms/ocaml-jane-street-headers.git /var/lib/mock/f33-build-361750-60319/root/chroot_tmpdir/scmroot/ocaml-jane-street-headers
Cloning into '/var/lib/mock/f33-build-361750-60319/root/chroot_tmpdir/scmroot/ocaml-jane-street-headers'...
$ git reset --hard 4064c4a5cf108d35b8217a13729d188ddd85621e
HEAD is now at 4064c4a Bump release and rebuild.