anchor.diff:        requiredGems = [ g.rb_fsevent_0_9_3 g.rb_inotify_0_9_2 g.rb_kqueue_0_2_0 ];
         sha256 = ''1p1rqz26ixx0fzc0hy3psq2bb3pwkv9awixv76zkaaqj1czabzbs'';
       };
  +    listen_2_2_0 = {
  +      basename = ''listen'';
  +      meta = {
  +        description = ''Listen to file modifications'';
  +        homepage = ''https://github.com/guard/listen'';
  +        longDescription = ''The Listen gem listens to file modifications and notifies you about the changes. Works everywhere!'';
  +      };
  +      name = ''listen-2.2.0'';
  +      requiredGems = [ g.celluloid_0_15_2 g.rb_fsevent_0_9_3 g.rb_inotify_0_9_2 ];
  +      sha256 = ''1fm6cp5d4xbd5wdd0d804m3p2cc5rjrr5yzqzzh1ndzgbs94sv5c'';
  +    };
       locale_2_0_8 = {
         basename = ''locale'';
         meta = {
  
positive.code:     railties = g.railties_4_0_0;
      rake = g.rake_10_1_0;
      rb_fsevent = g.rb_fsevent_0_9_3;
      rdiscount = g.rdiscount_2_1_6;
      redcarpet = g.redcarpet_2_3_0;
      redis = g.redis_3_0_5;
  
negative.code:     json_pure = g.json_pure_1_8_0;
      launchy = g.launchy_2_3_0;
      liquid = g.liquid_2_5_4;
      listen = g.listen_2_2_0;
      locale = g.locale_2_0_8;
      lockfile = g.lockfile_2_1_0;
      macaddr = g.macaddr_1_6_1;
  