code: def default(self):
          
          output = ensure_unicode(self.git.log(
              '-1',
              '-p',
              '--no-color',
              '--format=%s',
          ).stdout)
          lines = output.splitlines()
          return u'\n'.join(
              itertools.chain(
                  lines[:1],
                  itertools.islice(
                      itertools.dropwhile(
                          lambda x: not x.startswith('+++'),
                          lines[1:],
                      ),
                      1,
                      None,
                  ),
              )
          )
docs: Return last changes in truncated unified diff format