$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ptmap.git /var/lib/mock/f33-build-181221-45229/root/chroot_tmpdir/scmroot/ocaml-ptmap
Cloning into '/var/lib/mock/f33-build-181221-45229/root/chroot_tmpdir/scmroot/ocaml-ptmap'...
$ git reset --hard c779ce0a54f3bec93e85716e045647d81711343c
HEAD is now at c779ce0 Update all OCaml dependencies for RPM 4.16.