dist: xenial
language: minimal
branches:
  only:
    - master
env:
  global:
    - BUILD_WEB=/tmp/build-web
    - secure: dMquVRuM4Wi/N3oZJaNIWSW5mpehxVuzDiDnC51OwfMtdNfdyWV7qKJQY44MjbveuyQd7eA/AuTLE+loaAFxiRfBXl2yI5NkAOrJwbbDyw/lAN9Og2FmNi+QLaTsNhpbYZ4zaUNEEqRWs9gIajGaXcWdO/HNYiKHHrk7+XXNDeM=
    # CLOUDFLARE_AUTH_EMAIL/CLOUDFLARE_AUTH_KEY
    - secure: JYKSA0crhIfgE7l51aF+qYr4JERLU3hXWRzKSmwuBi4uZzNxWfAm1hQ8qJ4+TTIIjJpr4dceVLdXRZDvX5B83hP8W4m4eoRp98IqwLinS5plB86Kv/C53vYGaMIaE+3u0EdehRgpSIN+2qmAUTNoQkFZsZh1Ok4vaN3QZaE2+f8=
    # CLOUDFLARE_ZONE
    - secure: LYV3F3ink6p8XfR2rjCcYDfTDSK22QRU4kYK4e77t42e3zky/tbiNZcJsrq9J5FwNEBZXDLxuXsgeEza3+x6N0uxjBIdopuEullL5jf5WRISxUja2wplOgCa8RC8CIvWyZOsbtw8UWJvbCyjwUXPT8q9sUT1U+KhYSuqVMo32GI=
addons:
  apt:
    packages:
      - ikiwiki
      - asciidoc
      - imagemagick
      - perlmagick
      - luarocks
      - cmake
      - libxcb-cursor-dev
      - libxcb-randr0-dev
      - libxcb-xtest0-dev
      - libxcb-xinerama0-dev
      - libxcb-shape0-dev
      - libxcb-util0-dev
      - libxcb-keysyms1-dev
      - libxcb-icccm4-dev
      - libxdg-basedir-dev
      - libstartup-notification0-dev
      - libxcb-xkb-dev
      - libxkbcommon-dev
      - libxkbcommon-x11-dev
      - gir1.2-pango-1.0
        # Dependencies for xcb-util-xrm
      - xutils-dev
        # Dependencies for lgi
      - libgirepository1.0-dev
      - lua-discount

# Clone the awesomeWM.github.io repo before building, because we need the
# working copy to be there for updating already.
before_install:
  - |
    if [ -n "$GH_APIDOC_TOKEN" ]; then
      set -e
      git clone \
        https://${GH_APIDOC_TOKEN}@github.com/awesomeWM/awesomeWM.github.io \
        "$BUILD_WEB" 2>&1 | sed "s/$GH_APIDOC_TOKEN/GH_APIDOC_TOKEN/g"
      if [ "$TRAVIS_PULL_REQUEST" = false ]; then
        branch="$TRAVIS_BRANCH"
      else
        branch="pr-$TRAVIS_PULL_REQUEST"
      fi
      if [ "$branch" != master ]; then
        cd $BUILD_WEB
        if ! git checkout -b "$branch" "origin/$branch"; then
          git checkout -b "$branch"
        fi
        cd -
      fi
    fi

install:
    # xcb-util-xrm is not available in Ubuntu Ancient
  - (cd /tmp && git clone --recursive https://github.com/Airblader/xcb-util-xrm.git && cd xcb-util-xrm && ./autogen.sh --prefix=$HOME/install && make && make install)

  - travis_retry luarocks --local install ldoc
  - luarocks path --bin
  - eval `luarocks path --bin`
    # Of course Ubuntu's Luarocks version is too old for --bin
  - PATH="$PATH:$HOME/.luarocks/bin"

  # lgi is too old
  - travis_retry luarocks --local install lgi

  - gem install mdl -v 0.9.0

after_install:
  - luarocks --local list --porcelain | column -t -s $'\t'

script:
  - PKG_CONFIG_PATH="$HOME/install/lib/pkgconfig" make build_for_travis
  - mdl --git-recurse .

after_success:
  - |
    if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then exit 0; fi
    if [ -n "$GH_APIDOC_TOKEN" ]; then
      set -e
      commit_hash=$(git rev-parse --short HEAD)
      cd $BUILD_WEB
      git config user.name "awesome-robot on Travis CI"
      git config user.email "awesome-robot@users.noreply.github.com"
      git add --all .
      NL=$'\n'
      git commit -m "Update from Travis for awesome-www@${commit_hash}${NL}${NL}Commits: https://github.com/awesomeWM/awesome-www/compare/${TRAVIS_COMMIT_RANGE/.../..}${NL}Build URL: https://travis-ci.com/awesomeWM/awesome-www/builds/${TRAVIS_BUILD_ID}"
      git --no-pager show --stat
      git push origin "$(git symbolic-ref --quiet HEAD)" 2>&1 | sed "s/$GH_APIDOC_TOKEN/GH_APIDOC_TOKEN/g"

      # Purge CloudFlare cache.
      curl -X DELETE "https://api.cloudflare.com/client/v4/zones/$CLOUDFLARE_ZONE/purge_cache" \
        -H "X-Auth-Email: $CLOUDFLARE_AUTH_EMAIL" \
        -H "X-Auth-Key: $CLOUDFLARE_AUTH_KEY" \
        -H "Content-Type: application/json" \
        --data '{"purge_everything":true}'
    fi