$ git clone -n https://src.fedoraproject.org/rpms/python-werkzeug.git /var/lib/mock/f40-build-1830839-24926/root/chroot_tmpdir/scmroot/python-werkzeug
Cloning into '/var/lib/mock/f40-build-1830839-24926/root/chroot_tmpdir/scmroot/python-werkzeug'...
$ git fetch origin 3395139d777429a077abb817fab717caa95e0862:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-werkzeug
 * [new ref]         3395139d777429a077abb817fab717caa95e0862 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3395139 Update to 3.0.3 (fixes RHBZ#2279213)