$ git clone -n https://src.fedoraproject.org/rpms/ocaml-camlp5.git /var/lib/mock/f39-build-1963293-43277/root/chroot_tmpdir/scmroot/ocaml-camlp5
Cloning into '/var/lib/mock/f39-build-1963293-43277/root/chroot_tmpdir/scmroot/ocaml-camlp5'...
$ git fetch origin 7f2b5a21d2990e438aa329aff0b35e41f86926dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-camlp5
 * [new ref]         7f2b5a21d2990e438aa329aff0b35e41f86926dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f2b5a2 Add camlp-streams-/pcre-devel dependencies to devel subpackage