Here's a great read from Business Insider on how Greek bailout extension got done ...

The "rock star" took on the rock. And the rock won.
Germany's Wolfgang Schaeuble, the "immovable object" in the words of one economist, stopped Greece's charismatic new finance minister Yanis Varoufakis in his tracks, forcing Athens to extend a bailout program on Friday on terms its government was just elected to get out of.

Link: These are the ugly details of how the Greek bailout extension got done