$ git clone -n https://src.fedoraproject.org/rpms/ocaml-version.git /var/lib/mock/f42-build-3364947-45045/root/chroot_tmpdir/scmroot/ocaml-version
Cloning into '/var/lib/mock/f42-build-3364947-45045/root/chroot_tmpdir/scmroot/ocaml-version'...
$ git fetch origin 3caaeeb7911242c36d0de26d18af3cef4d3d6916:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-version
 * [new ref]         3caaeeb7911242c36d0de26d18af3cef4d3d6916 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3caaeeb Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild