$ git clone -n https://src.fedoraproject.org/rpms/ocaml-jane-street-headers.git /var/lib/mock/f38-build-685251-80578/root/chroot_tmpdir/scmroot/ocaml-jane-street-headers
Cloning into '/var/lib/mock/f38-build-685251-80578/root/chroot_tmpdir/scmroot/ocaml-jane-street-headers'...
$ git reset --hard 106c306ba9a62f074290a8bd6804543dd90013b3
HEAD is now at 106c306 Rebuild OCaml packages for F38