$ git clone -n https://src.fedoraproject.org/rpms/ocaml-logs.git /var/lib/mock/f42-build-865808-173520/root/chroot_tmpdir/scmroot/ocaml-logs
Cloning into '/var/lib/mock/f42-build-865808-173520/root/chroot_tmpdir/scmroot/ocaml-logs'...
$ git fetch origin 8c776e399fe77bf8c3391a7644cf23d8f49b2304:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-logs
 * [new ref]         8c776e399fe77bf8c3391a7644cf23d8f49b2304 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c776e3 OCaml 5.3.0 rebuild for Fedora 42