$ git clone -n https://src.fedoraproject.org/rpms/python-jupyter-collaboration.git /var/lib/mock/f39-build-1839562-41969/root/chroot_tmpdir/scmroot/python-jupyter-collaboration
Cloning into '/var/lib/mock/f39-build-1839562-41969/root/chroot_tmpdir/scmroot/python-jupyter-collaboration'...
$ git fetch origin 85b2917a6b78b8da8228761f12f766a4ccda7e38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jupyter-collaboration
 * [new ref]         85b2917a6b78b8da8228761f12f766a4ccda7e38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85b2917 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild