$ git clone -n https://src.fedoraproject.org/rpms/ocaml-qcheck.git /var/lib/mock/f39-build-1963404-43278/root/chroot_tmpdir/scmroot/ocaml-qcheck
Cloning into '/var/lib/mock/f39-build-1963404-43278/root/chroot_tmpdir/scmroot/ocaml-qcheck'...
$ git fetch origin 6060bc701f7ac12750a703abf3337f48cc15255e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-qcheck
 * [new ref]         6060bc701f7ac12750a703abf3337f48cc15255e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6060bc7 Version 0.21.2