$ git clone -n https://src.fedoraproject.org/rpms/ocaml-postgresql.git /var/lib/mock/f33-build-136538-41913/root/chroot_tmpdir/scmroot/ocaml-postgresql
Cloning into '/var/lib/mock/f33-build-136538-41913/root/chroot_tmpdir/scmroot/ocaml-postgresql'...
$ git reset --hard 57f2feb4ec329d92ea7146e0c8a21af2b84ec77d
HEAD is now at 57f2feb OCaml 4.10.0 final.