sudo: false

cache:
  directories:
    - test/elm-stuff/build-artifacts
    - sysconfcpus

language: node_js

node_js:
  - "4.3"

before_install:
  - if [ ${TRAVIS_OS_NAME} == "osx" ];
    then brew update; brew install nvm; mkdir ~/.nvm; export NVM_DIR=~/.nvm; source $(brew --prefix nvm)/nvm.sh;
    fi
  - echo -e "Host github.com\n\tStrictHostKeyChecking no\n" >> ~/.ssh/config
  - | # epic build time improvement - see https://github.com/elm-lang/elm-compiler/issues/1473#issuecomment-245704142
    if [ ! -d sysconfcpus/bin ];
    then
      git clone https://github.com/obmarg/libsysconfcpus.git;
      cd libsysconfcpus;
      ./configure --prefix=$TRAVIS_BUILD_DIR/sysconfcpus;
      make && make install;
      cd ..;
    fi

install:
  - npm install -g elm@0.18 elm-test
  - mv $(npm config get prefix)/bin/elm-make $(npm config get prefix)/bin/elm-make-old
  - printf '%s\n\n' '#!/bin/bash' 'echo "Running elm-make with sysconfcpus -n 2"' '$TRAVIS_BUILD_DIR/sysconfcpus/bin/sysconfcpus -n 2 elm-make-old "$@"' > $(npm config get prefix)/bin/elm-make
  - chmod +x $(npm config get prefix)/bin/elm-make

script:
  - bash tests/run-tests.sh