.travis.yml

language: c
install:
  - |
    if [ ! -x nim-master/bin/nim ]; then
      git clone -b master --depth 1 git://github.com/nim-lang/nim nim-master/
      cd nim-master
      git clone -b master --depth 1 git://github.com/nim-lang/csources csources/
      cd csources
      sh build.sh
      cd ..
      rm -rf csources
      bin/nim c koch
      ./koch boot -d:release
    else
      cd nim-master
      git fetch origin
      if ! git merge FETCH_HEAD | grep "Already up-to-date"; then
        bin/nim c koch
        ./koch boot -d:release
      fi
    fi
    cd ..
cache:
  directories:
    - nim-master
before_script:
  - export PATH="nim-master/bin${PATH:+:$PATH}"

script:
  - nim doc src/chipmunk.nim
after_success:
  - |
    if [ "$TRAVIS_BRANCH" = master ] && [ "$TRAVIS_PULL_REQUEST" != true ]; then
      rev="$(git rev-parse --short HEAD)"

      git clone "https://$GH_TOKEN@github.com/$TRAVIS_REPO_SLUG" -b gh-pages gh-pages/
      cd gh-pages

      mv ../src/chipmunk.html index.html

      git config user.name 'Robot'
      git config user.email '<>'

      git add -A

      # See if there are any changes not related to generation time
      git diff --staged "index.html" | tail -n +5 | grep -E '^[+\-]' |
      grep -vE "Made with Nim. Generated" >/dev/null

      if [ $? == 0 ]; then
        git commit -m "Generate documentation ($rev)"
        git push origin gh-pages >/dev/null 2>&1
      fi
    fi
env:
  global:
    - secure: "GND93QsHdGUOJsMUl1k39N9olHYA4t79pSyy/wP14NCOaQXkt0dx1ZuYFJ+MYoGSAvfgzTAo6miP5a3az7cWig89vESvZgxmX+gmJm0HkUA2nabeKOHtw3u97Zxdar5dm5zXkISYrv7/VthtkWtWdWjMzF+7d26OykHsMKCjV+0="