$ git clone -n https://src.fedoraproject.org/rpms/python-lexicon.git /var/lib/mock/f39-build-1443064-32534/root/chroot_tmpdir/scmroot/python-lexicon
Cloning into '/var/lib/mock/f39-build-1443064-32534/root/chroot_tmpdir/scmroot/python-lexicon'...
$ git fetch origin a22e5cc111de135649cf39a9ef897e171b85f15a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-lexicon
 * [new ref]         a22e5cc111de135649cf39a9ef897e171b85f15a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a22e5cc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild