Run 'cabal update' before install

Travis CI used to do this itself but looks like it doesn't anymore for non-default configs.
nurpax · Jan 28, 2013 · f677c8b · f677c8b
1 parent 56d533f
commit f677c8b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,6 @@
 language: haskell
 install:
+  - cabal update
   - cabal install --enable-tests
 script:
   - cd example