code: function(cb_) {
      common.log.out('Compressing Breach: ' + base_name + '.tar.gz');
      var tar = require('child_process').spawn('tar', 
        ['cfz', base_name + '.tar.gz', base_name], {
        cwd: out_path
      });
      tar.stdout.on('data', function(data) {
        console.log('stdout: ' + data);
      });
      tar.stderr.on('data', function(data) {
        console.log('stderr: ' + data);
      });
      tar.on('close', function(code) {
        if(code !== 0) {
          return cb_(common.err('Extraction failed with code: ' + code,
                                'auto_updater:failed_extraction'));
  
        }
        return cb_();
      });
    }
docs: /* tar