$ git clone -n https://src.fedoraproject.org/rpms/python-jupyterlab-server.git /var/lib/mock/f40-build-2418468-60580/root/chroot_tmpdir/scmroot/python-jupyterlab-server
Cloning into '/var/lib/mock/f40-build-2418468-60580/root/chroot_tmpdir/scmroot/python-jupyterlab-server'...
$ git fetch origin 085d06901ae965515214fa7ae0dac40ece09c483:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jupyterlab-server
 * [new ref]         085d06901ae965515214fa7ae0dac40ece09c483 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 085d069 Update to 2.25.3 (rhbz#2264304)