$ git clone -n https://src.fedoraproject.org/rpms/ocaml-pcre2.git /var/lib/mock/f42-build-3494609-45873/root/chroot_tmpdir/scmroot/ocaml-pcre2
Cloning into '/var/lib/mock/f42-build-3494609-45873/root/chroot_tmpdir/scmroot/ocaml-pcre2'...
$ git fetch origin 5b60695b94bfb64655107da624f1a92b8083484a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-pcre2
 * [new ref]         5b60695b94bfb64655107da624f1a92b8083484a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b60695 Version 8.0.3