$ git clone -n https://src.fedoraproject.org/rpms/marshalparser.git /var/lib/mock/f39-build-1540661-36477/root/chroot_tmpdir/scmroot/marshalparser
Cloning into '/var/lib/mock/f39-build-1540661-36477/root/chroot_tmpdir/scmroot/marshalparser'...
$ git fetch origin c120bdd8e0df40d2e9dfa6c8cc800b88691af5c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/marshalparser
 * [new ref]         c120bdd8e0df40d2e9dfa6c8cc800b88691af5c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c120bdd Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild