$ git clone -n https://src.fedoraproject.org/rpms/python-werkzeug.git /var/lib/mock/f40-build-2232253-53326/root/chroot_tmpdir/scmroot/python-werkzeug
Cloning into '/var/lib/mock/f40-build-2232253-53326/root/chroot_tmpdir/scmroot/python-werkzeug'...
$ git fetch origin f505f5799456661e68921d7ad181d4fddb74bf0f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-werkzeug
 * [new ref]         f505f5799456661e68921d7ad181d4fddb74bf0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f505f57 Update to 3.0.1 (fixes RHBZ#2189658)