language: c
env:
  matrix:
    # Note: luarocks does not work with Lua 5.0.
    # - LUA=5.0 LUAPKG=50  LUALIB=/usr/lib/liblua50.so
    # Disable 5.1 for now: no need to test both 5.1 and 5.2 currently.
    # - LUA=5.1 LUAPKG=5.1 LUALIB=/usr/lib/x86_64-linux-gnu/liblua5.1.so
    - LUA=5.2 LUAPKG=5.2 LUALIB=/usr/lib/x86_64-linux-gnu/liblua5.2.so

before_install:
  - cmake --version

install:
  # Travis boilerplate: the apt-get cache might be out of date.
  - sudo apt-get update -qq

  # Do not install recommended packages with apt-get.
  - echo 'APT::Install-Recommends "false";' | sudo tee /etc/apt/apt.conf.d/no-recommends

  # Install dependencies according to:
  # apt-cache showsrc awesome | grep -E '^(Version|Build-Depends)'
  - sudo apt-get install libcairo2-dev xmlto asciidoc libpango1.0-dev cmake gperf luadoc libxcb-xtest0-dev libxcb-icccm4-dev libxcb-randr0-dev libxcb-keysyms1-dev libxcb-xinerama0-dev libxcb-image0-dev libev-dev libimlib2-dev libdbus-1-dev libxdg-basedir-dev libstartup-notification0-dev imagemagick libxcb1-dev libxcb-shape0-dev libxcb-util0-dev libxcursor-dev libx11-xcb-dev

  # Install Lua (per env).
  - sudo apt-get install liblua${LUAPKG}-dev lua${LUAPKG}

  # For missing libxcb-cursor-dev.
  - sudo apt-get install -qq xutils-dev libxcb-render-util0-dev gperf
  - wget http://xcb.freedesktop.org/dist/xcb-util-cursor-0.1.2.tar.gz
  - tar xf xcb-util-cursor-0.1.2.tar.gz
  - cd xcb-util-cursor-0.1.2
  - ./configure
  - sudo make install
  - sudo ldconfig
  - cd ..

  # For xcb-proto >= 1.11, required by libxcb.
  - wget http://xcb.freedesktop.org/dist/xcb-proto-1.11.tar.bz2
  - tar xf xcb-proto-1.11.tar.bz2
  - cd xcb-proto-1.11
  - ./configure
  - sudo make install
  - cd ..

  # For missing libxcb-xkb-dev.
  - wget http://xcb.freedesktop.org/dist/libxcb-1.11.tar.bz2
  - tar xf libxcb-1.11.tar.bz2
  - cd libxcb-1.11
  - ./configure
  - sudo make install
  - sudo ldconfig
  - cd ..

  # For missing libxcbcommon-dev/libxcbcommon-x11-dev (PR #227).
  - wget http://xkbcommon.org/download/libxkbcommon-0.5.0.tar.xz
  - tar xf libxkbcommon-0.5.0.tar.xz
  - cd libxkbcommon-0.5.0
  - ./configure
  - sudo make install
  - sudo ldconfig
  - cd ..

  # lgi: is too old on travis, install it via luarocks.
  # - sudo apt-get install -qq lua-lgi
  - sudo apt-get install -qq gir1.2-pango-1.0

  # Install luarocks (for the selected Lua version).
  - wget http://keplerproject.github.io/luarocks/releases/luarocks-2.2.2.tar.gz
  - tar xf luarocks-2.2.2.tar.gz
  - cd luarocks-2.2.2
  - ./configure --lua-version=$LUA
  - make build
  - sudo make install
  - cd ..

  - sudo apt-get install -qq libgirepository1.0-dev
  - sudo luarocks install lgi

  # Install busted for "make check".
  # Use luassert 1.7.6 (1.7.7 causes infinite loop).
  # Ref: https://github.com/Olivine-Labs/luassert/issues/118
  - sudo luarocks install luassert 1.7.6
  - sudo luarocks install busted 2.0.rc8

  # Install ldoc for building docs.
  - sudo luarocks install ldoc

  # Install CMake 3+, via http://www.cmake.org/download/#latest.
  - wget http://www.cmake.org/files/v3.2/cmake-3.2.3-Linux-x86_64.tar.Z
  - tar xf cmake-3.2.3-Linux-x86_64.tar.Z
  - PATH=$PWD/cmake-3.2.3-Linux-x86_64/bin:$PATH

script:
  - export CMAKE_ARGS="-DLUA_LIBRARY=${LUALIB} -DLUA_INCLUDE_DIR=/usr/include/lua${LUAPKG}"
  - make && sudo env PATH=$PATH make install && awesome --version