$ git clone -n https://src.fedoraproject.org/rpms/python-notebook.git /var/lib/mock/f39-build-1544504-36644/root/chroot_tmpdir/scmroot/python-notebook
Cloning into '/var/lib/mock/f39-build-1544504-36644/root/chroot_tmpdir/scmroot/python-notebook'...
$ git fetch origin 3bccf1e2dec546c3fb01b37389d1f08f929a14ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-notebook
 * [new ref]         3bccf1e2dec546c3fb01b37389d1f08f929a14ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3bccf1e Update to 7.0.2 (rhbz#2227825)