Add missing cabal copy for Travis

snoyberg · snoyberg · commit f448e8ee11f4 · 2015-06-17T18:57:54.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -39,6 +39,7 @@ script:
  - cabal check
  - cabal sdist   # tests that a source-distribution can be generated
 
+ - cabal copy
  - cd test/integration
  - stack setup
  - stack test
