+before_install:
+ - |
+ # work-around for issue https://github.com/travis-ci/travis-ci/issues/6307
+ # might not be necessary in the future
+ if [ "$TRAVIS_OS_NAME" == "osx" ]; then
+ command curl -sSL https://rvm.io/mpapis.asc | gpg --import -
+ rvm get stable
+ fi
+