code: def get_checkout_target(self):
          '''
          Resolve dynamically-set branch
          '''
          if self.role == 'git_pillar' and self.branch == '__env__':
              try:
                  return self.all_saltenvs
              except AttributeError:
                  # all_saltenvs not configured for this remote
                  pass
              target = self.opts.get('pillarenv') \
                  or self.opts.get('saltenv') \
                  or 'base'
              return self.base \
                  if target == 'base' \
                  else six.text_type(target)
          return self.brancf get_checkout_target(self):
          '''
          Resolve dynamically-set branch
          '''
          if self.role == 'git_pillar' and self.branch == '__env__':
              try:
                  return self.all_saltenvs
              except AttributeError:
                  # all_saltenvs not configured for this remote
                  pass
              target = self.opts.get('pillarenv') \
                  or self.opts.get('saltenv') \
                  or 'base'
              return self.base \
                  if target == 'base' \
                  else six.text_type(target)
          return self.branch
docs: Resolve dynamically-set branch