Glad you asked! Here  is an example php program that uses the new
roadall to do like an extreme retroratchet where it just blows away
the whole road matrix and replaces it with a perfectly straight road
that ends wherever the road dial currently indicates. The code below
will actually work with the test goal beeminder.com/test1602/test
Right now that goal has a flat spot. Running this program will get rid
of it, just like retroratchet.
Note the "can't make it easier between now and the akrasia horizon"
constraint. That constraint is shown visually on the graph as the pink
shaded area where the new road is not allowed to touch.
Is this all making sense?
Php library is at github.com/beeminder
 The actual code: https://gist.github.com/dreeves/dc077334d6cd1b4e66d9
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-- search://"Daniel Reeves"
Goal tracking + Commitment contracts == http://beeminder.com