dependencies: cache_directories: - "~/.stack" pre: - wget https://github.com/commercialhaskell/stack/releases/download/v1.4.0/stack-1.4.0-linux-x86_64.tar.gz -O /tmp/stack.tar.gz - tar xvzOf /tmp/stack.tar.gz stack-1.4.0-linux-x86_64/stack > /tmp/stack - chmod +x /tmp/stack && sudo mv /tmp/stack /usr/bin/stack override: - stack setup - stack build --flag yesod-auth-oauth2:example test: override: - stack test