$ git clone -n https://src.fedoraproject.org/rpms/ocaml-jst-config.git /var/lib/mock/f39-build-1825914-41867/root/chroot_tmpdir/scmroot/ocaml-jst-config
Cloning into '/var/lib/mock/f39-build-1825914-41867/root/chroot_tmpdir/scmroot/ocaml-jst-config'...
$ git fetch origin 002551a28a3c7c7403e63849087c8b68042524db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-jst-config
 * [new ref]         002551a28a3c7c7403e63849087c8b68042524db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 002551a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild