$ git clone -n https://src.fedoraproject.org/rpms/ocaml-yojson.git /var/lib/mock/f31-build-90859-32252/root/chroot_tmpdir/scmroot/ocaml-yojson
Cloning into '/var/lib/mock/f31-build-90859-32252/root/chroot_tmpdir/scmroot/ocaml-yojson'...
$ git reset --hard 08454ae08e3d15ac551ac2f9f2473d181e1961be
HEAD is now at 08454ae Rebuild for ocaml-easy-format 1.3.1.