$ git clone -n https://src.fedoraproject.org/rpms/ocaml-camlimages.git /var/lib/mock/f31-build-87635-31931/root/chroot_tmpdir/scmroot/ocaml-camlimages
Cloning into '/var/lib/mock/f31-build-87635-31931/root/chroot_tmpdir/scmroot/ocaml-camlimages'...
$ git reset --hard 9e6e06fc8f57847c63f5a97dd08e4775d253e322
HEAD is now at 9e6e06f Rebuild against new ocaml-lablgtk.