$ git clone -n https://src.fedoraproject.org/rpms/python-pynn.git /var/lib/mock/f40-build-790774-136819/root/chroot_tmpdir/scmroot/python-pynn
Cloning into '/var/lib/mock/f40-build-790774-136819/root/chroot_tmpdir/scmroot/python-pynn'...
$ git fetch origin 0cbcd96d9bb9bd6dda0c1b12ba71eca32ce6c6e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pynn
 * [new ref]         0cbcd96d9bb9bd6dda0c1b12ba71eca32ce6c6e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0cbcd96 fix; remove unneeded patch (fixes rh#2265750)