Merge pull request ubccr#34 from tyearke/meta/travis-npm-cache

Travis: Cache npm cache directory instead of node_modules directories

.travis.build.sh

@@ -62,21 +62,10 @@ fi
 
 # Build tests require the corresponding version of Open XDMoD.
 if [ "$TEST_SUITE" = "build" ] || [ "$TEST_SUITE" = "unit" ]; then
-    # If present, move Travis cache dirs out of the way.
-    xdmod_cache_exists="false"; [ -e ../xdmod ] && xdmod_cache_exists="true"
-    if "$xdmod_cache_exists"; then
-        mv ../xdmod ../xdmod-cache
-    fi
-
     xdmod_branch="$TRAVIS_BRANCH"
     echo "Cloning Open XDMoD branch '$xdmod_branch'"
     git clone --depth=1 --branch="$xdmod_branch" https://github.com/ubccr/xdmod.git ../xdmod
 
-    # If present, move Travis cache dirs back in.
-    if "$xdmod_cache_exists"; then
-        mv ../xdmod-cache/etl/js/node_modules ../xdmod/etl/js/node_modules
-    fi
-
     pushd ../xdmod
     . .travis.install.sh
     popd

.travis.yml

@@ -18,8 +18,7 @@ env:
 # Add dependency directories to the Travis cache
 cache:
     directories:
-        - node_modules
-        - ../xdmod/etl/js/node_modules
+        - $HOME/.npm
         - $HOME/.composer/cache
         - /tmp/pear/cache