message: ci(travis): filtering commits without code change
diff: @@ -14,6 +14,16 @@ node_js:
  - "6"
  before_install:
  + # https://github.com/scikit-learn/scikit-learn/issues/10927
  + - |
  + set -e
  + # fail loudly when force-pushed
  + MODIFIED_FILES=$(git diff --name-only $TRAVIS_COMMIT_RANGE)
  + # waiting for native solution https://github.com/travis-ci/travis-ci/issues/6301
  + if ! echo ${MODIFIED_FILES} | grep -qvE '(\.md$)|(^docs)/'; then
  + echo "Only docs were updated, stopping build process."
  + exit
  + fi
  - dpkg --compare-versions `npm -v` ge 5.8 || npm i -g npm@latest
  script:
  