code: def init_repo(self, gitdir):
          
  
          hooksdir = os.path.join(gitdir, 'hooks')
          content = postreceive_template % {
              'client': self.client,
              'bucket': self.bucket,
              's3cfg': self.s3cfg,
              'prefix': self.prefix
              }
  
          postrecv_filename =os.path.join(hooksdir, 'post-receive')
          with open(postrecv_filename,'w') as fd:
              fd.write(content)
  
          self.make_hook_executable(postrecv_filename)
          print("Wrote to", postrecv_filename)
docs: Insert hook into the repo