.rultor.yml in pdd-0.20.3 vs .rultor.yml in pdd-0.20.4

@@ -1,8 +1,10 @@
 assets:
   rubygems.yml: zerocracy/home#assets/rubygems.yml
   s3cfg: zerocracy/home#assets/s3cfg
 install: |
+  export GEM_HOME=~/.ruby
+  export GEM_PATH=$GEM_HOME:$GEM_PATH
   sudo gem install pdd
   sudo gem install xcop
 release:
   script: |-
     env