sudo: false
language: c

env:
  global:
    # To build third-party dependencies, set this to 'true'.
    # TODO: Change deps caching to detect updated dependencies automatically, but
    #       still don't rebuild deps every time.
    - BUILD_NVIM_DEPS=false
    # Travis has 1.5 virtual cores according to
    # http://docs.travis-ci.com/user/speeding-up-the-build/#Paralellizing-your-build-on-one-VM
    - MAKE_CMD="make -j2"
    # Update PATH for pip and MinGW.
    - PATH="$(python -c 'import site; print(site.getuserbase())')/bin:$HOME/.local/mingw32/bin:$PATH"
    # LLVM symbolizer path.
    - LLVM_SYMBOLIZER="$(which llvm-symbolizer-3.6)"
    # Force verification of DLOG macros.
    - CFLAGS="-DMIN_LOG_LEVEL=0"
    # Build directory for Neovim.
    - BUILD_DIR="$TRAVIS_BUILD_DIR/build"
    # Build directory for third-party dependencies.
    - DEPS_BUILD_DIR="$TRAVIS_BUILD_DIR/deps-build"
    # Directory where compiled third-party dependencies are stored.
    - DEPS_INSTALL_PREFIX="$HOME/nvim-deps-install"
    # Install directory for Neovim.
    - INSTALL_PREFIX="$HOME/nvim-install"
    # Log directory for Clang sanitizers and Valgrind.
    - LOG_DIR="$BUILD_DIR/log"
    # Default CMake flags.
    - CMAKE_FLAGS="-DTRAVIS_CI_BUILD=ON
                   -DCMAKE_BUILD_TYPE=Debug
                   -DCMAKE_INSTALL_PREFIX:PATH=$INSTALL_PREFIX
                   -DUSE_GCOV=ON
                   -DBUSTED_OUTPUT_TYPE=plainTerminal
                   -DDEPS_PREFIX=$DEPS_INSTALL_PREFIX"
    - DEPS_CMAKE_FLAGS="-DDEPS_INSTALL_DIR:PATH=$DEPS_INSTALL_PREFIX"
    # Additional CMake flags for 32-bit builds.
    - CMAKE_FLAGS_32BIT="-DCMAKE_SYSTEM_LIBRARY_PATH=/lib32:/usr/lib32:/usr/local/lib32
                         -DCMAKE_IGNORE_PATH=/lib:/usr/lib:/usr/local/lib
                         -DCMAKE_TOOLCHAIN_FILE=$TRAVIS_BUILD_DIR/cmake/i386-linux-gnu.toolchain.cmake"
    # Additional CMake flags for MinGW builds.
    - CMAKE_FLAGS_MINGW="-DCMAKE_TOOLCHAIN_FILE=$TRAVIS_BUILD_DIR/cmake/mingw32-w64-cross-travis.toolchain.cmake"
    # Environment variables for Clang sanitizers.
    - ASAN_OPTIONS="detect_leaks=1:check_initialization_order=1:log_path=$LOG_DIR/asan"
    - ASAN_SYMBOLIZER_PATH="$LLVM_SYMBOLIZER"
    - MSAN_SYMBOLIZER_PATH="$LLVM_SYMBOLIZER"
    - TSAN_OPTIONS="external_symbolizer_path=$LLVM_SYMBOLIZER log_path=$LOG_DIR/tsan"
    - UBSAN_OPTIONS="log_path=$LOG_DIR/ubsan"
    # Environment variables for Valgrind.
    - VALGRIND_LOG="$LOG_DIR/valgrind-%p.log"
    # Cache marker for third-party dependencies cache.
    # If this file exists, we know that the cache contains compiled
    # dependencies and we can use it.
    - CACHE_MARKER="$HOME/.cache/nvim-deps/.travis_cache_marker"
    # Test success marker. If this file exists, we know that all tests
    # were successful. Required because we only want to update the cache
    # if the tests were successful, but don't have this information
    # available in before_cache (which is run before after_success).
    - SUCCESS_MARKER="$BUILD_DIR/.tests_successful"

matrix:
  include:
    - os: linux
      env: CI_TARGET=clint
    - os: linux
      compiler: gcc-5
      env: GCOV=gcov-5
    - os: linux
      # Travis creates a cache per compiler.
      # Set a different value here to store 32-bit
      # dependencies in a separate cache.
      compiler: gcc-5 -m32
      env: GCOV=gcov-5 BUILD_32BIT=ON
    - os: linux
      compiler: clang-3.6
      env: GCOV=llvm-cov-3.6 CLANG_SANITIZER=ASAN_UBSAN
    - os: linux
      compiler: clang-3.6
      env: GCOV=llvm-cov-3.6 CLANG_SANITIZER=MSAN
    # FIXME (tarruda): Uncomment when TSan tests don't hang anymore.
    #- os: linux
    #  compiler: clang-3.6
    #  env: GCOV=llvm-cov-3.6 CLANG_SANITIZER=TSAN
    - os: osx
      compiler: clang
      env: GCOV=gcov
    - os: osx
      compiler: gcc-4.9
      env: GCOV=gcov-4.9
    - os: linux
      env: BUILD_MINGW=ON
  fast_finish: true
  allow_failures:
    # TODO: Remove when all MSan errors have been fixed.
    - env: GCOV=llvm-cov-3.6 CLANG_SANITIZER=MSAN

before_install: .ci/before_install.sh
install:        .ci/install.sh
before_script:  .ci/before_script.sh
script:         .ci/script.sh
before_cache:   .ci/before_cache.sh
after_success:  .ci/after_success.sh

addons:
  apt:
    sources:
      - llvm-toolchain-precise-3.6
      - ubuntu-toolchain-r-test
    packages:
      # Basic Neovim/test dependencies.
      - autoconf
      - automake
      - build-essential
      - cmake
      - gdb
      - libtool
      - pkg-config
      - unzip
      - xclip
      # Additional compilers/tools.
      - clang-3.6
      - g++-5-multilib
      - g++-multilib
      - gcc-5-multilib
      - gcc-multilib
      - libc6-dev-i386
      - llvm-3.6-dev
      - valgrind

branches:
  except:
    - nightly

cache:
  apt: true
  directories:
    - "$HOME/.cache/pip"
    - "$HOME/.cache/nvim-deps"

notifications:
  webhooks:
    urls:
      - https://webhooks.gitter.im/e/b5c38c99f9677aa3d031