$ git clone -n https://src.fedoraproject.org/rpms/python-jupyter-server-fileid.git /var/lib/mock/f40-build-2256347-54277/root/chroot_tmpdir/scmroot/python-jupyter-server-fileid
Cloning into '/var/lib/mock/f40-build-2256347-54277/root/chroot_tmpdir/scmroot/python-jupyter-server-fileid'...
$ git fetch origin 8165d492f2585a3201495f0577c7d7a58c2bbdc4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jupyter-server-fileid
 * [new ref]         8165d492f2585a3201495f0577c7d7a58c2bbdc4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8165d49 Update to 0.9.1 (rhbz#2255263)