code: def get_oldest_commit(self):
          '''
          Get oldest commit involving this file
  
          :returns: Oldest commit
          '''
          return self.git.get_commits(self.content.source_path, self.follow)[-1f get_oldest_commit(self):
          '''
          Get oldest commit involving this file
  
          :returns: Oldest commit
          '''
          return self.git.get_commits(self.content.source_path, self.follow)[-1]
docs: Get oldest commit involving this file
  
          :returns: Oldest commit