$ git clone -n https://src.fedoraproject.org/rpms/ocaml-yojson.git /var/lib/mock/f33-build-198743-47865/root/chroot_tmpdir/scmroot/ocaml-yojson
Cloning into '/var/lib/mock/f33-build-198743-47865/root/chroot_tmpdir/scmroot/ocaml-yojson'...
$ git reset --hard 8b157f01621236891f7ca329c18108d17bd1242d
HEAD is now at 8b157f0 OCaml 4.11.0+dev2-2020-04-22 rebuild