original_docstring: 
          Execute a git fetch on all of the repos and perform maintenance on the
          fileserver cache.
          
docstring: Execute a git fetch on all of the repos and perform maintenance on the
  fileserver cache.
docstring_tokens: Execute a git fetch on all of the repos and perform maintenance on the fileserver cache .
code: def update(self):
          '''
          Execute a git fetch on all of the repos and perform maintenance on the
          fileserver cache.
          '''
          # data for the fileserver event
          data = {'changed': False,
                  'backend': 'gitfs'}
  
          data['changed'] = self.clear_old_remotes()
          if self.fetch_remotes():
              data['changed'] = True
  
          if data['changed'] is True or not os.path.isfile(self.env_cache):
              env_cachedir = os.path.dirname(self.env_cache)
              if not os.path.exists(env_cachedir):
                  os.makedirs(env_cachedir)
              new_envs = self.envs(ignore_cache=True)
              serial = salt.payload.Serial(self.opts)
              with salt.utils.fopen(self.env_cache, 'w+') as fp_:
                  fp_.write(serial.dumps(new_envs))
                  log.trace('Wrote env cache data to {0}'.format(self.env_cache))
  
          # if there is a change, fire an event
          if self.opts.get('fileserver_events', False):
              event = salt.utils.event.get_event(
                      'master',
                      self.opts['sock_dir'],
                      self.opts['transport'],
                      opts=self.opts,
                      listen=False)
              event.fire_event(
                  data,
                  tagify(['gitfs', 'update'], prefix='fileserver')
              )
          try:
              salt.fileserver.reap_fileserver_cache_dir(
                  self.hash_cachedir,
                  self.find_file
              )
          except (OSError, IOError):
              # Hash file won't exist if no files have yet been served up
              pass
code_tokens: def update ( self ) : data = { 'changed' : False , 'backend' : 'gitfs' } data [ 'changed' ] = self . clear_old_remotes ( ) if self . fetch_remotes ( ) : data [ 'changed' ] = True if data [ 'changed' ] is True or not os . path . isfile ( self . env_cache ) : env_cachedir = os . path . dirname ( self . env_cache ) if not os . path . exists ( env_cachedir ) : os . makedirs ( env_cachedir ) new_envs = self . envs ( ignore_cache = True ) serial = salt . payload . Serial ( self . opts ) with salt . utils . fopen ( self . env_cache , 'w+' ) as fp_ : fp_ . write ( serial . dumps ( new_envs ) ) log . trace ( 'Wrote env cache data to {0}' . format ( self . env_cache ) ) if self . opts . get ( 'fileserver_events' , False ) : event = salt . utils . event . get_event ( 'master' , self . opts [ 'sock_dir' ] , self . opts [ 'transport' ] , opts = self . opts , listen = False ) event . fire_event ( data , tagify ( [ 'gitfs' , 'update' ] , prefix = 'fileserver' ) ) try : salt . fileserver . reap_fileserver_cache_dir ( self . hash_cachedir , self . find_file ) except ( OSError , IOError ) : pass
short_docstring: Execute a git fetch on all of the repos and perform maintenance on the
  fileserver cache.
short_docstring_tokens: Execute a git fetch on all of the repos and perform maintenance on the fileserver cache .
comment: '''
          Execute a git fetch on all of the repos and perform maintenance on the
          fileserver cache.
          '''$SEP$# data for the fileserver event$SEP$# if there is a change, fire an event$SEP$# Hash file won't exist if no files have yet been served up