code: def do_work_on(self, repo):
          '''
          Make repo the active one.
          Commands working on a repo will use it as default for repo parameter.
          '''
          self.abort_on_nonexisting_repo(repo, 'work_on')
          self.network.active_repo = repf do_work_on(self, repo):
          '''
          Make repo the active one.
          Commands working on a repo will use it as default for repo parameter.
          '''
          self.abort_on_nonexisting_repo(repo, 'work_on')
          self.network.active_repo = repo
docs: Make repo the active one.
          Commands working on a repo will use it as default for repo parameter.