$ git clone -n https://src.fedoraproject.org/rpms/python-jupyter-server.git /var/lib/mock/f39-build-2233003-53355/root/chroot_tmpdir/scmroot/python-jupyter-server
Cloning into '/var/lib/mock/f39-build-2233003-53355/root/chroot_tmpdir/scmroot/python-jupyter-server'...
$ git fetch origin 9838c54ffdfb27cac4ed62e9d7ca57509f9192af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jupyter-server
 * [new ref]         9838c54ffdfb27cac4ed62e9d7ca57509f9192af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9838c54 Security fix for CVE-2023-49080 (rhbz#2252897)