$ git clone -n https://src.fedoraproject.org/rpms/python-flask-security-too.git /var/lib/mock/f39-build-1648768-40450/root/chroot_tmpdir/scmroot/python-flask-security-too
Cloning into '/var/lib/mock/f39-build-1648768-40450/root/chroot_tmpdir/scmroot/python-flask-security-too'...
$ git fetch origin 945bf3b7e922faf98b8873452afc9a643884a0b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-flask-security-too
 * [new ref]         945bf3b7e922faf98b8873452afc9a643884a0b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 945bf3b Add python-flask-security-too_ignorewarnings.patch