name: Linux CI
on: [push, pull_request]
env:
  # Set "false" to force rebuild of third-party dependencies.
  CACHE_ENABLE: true
  DEPS_CMAKE_FLAGS: "-DUSE_BUNDLED_GPERF=OFF"
  # default target name for functional tests
  FUNCTIONALTEST: functionaltest
  CI_TARGET: tests
  # Environment variables for ccache
  CCACHE_COMPRESS: 1
  CCACHE_SLOPPINESS: "time_macros,file_macro"
  # Default since 3.3; required with newer gcc/clang.
  CCACHE_CPP2: 1

jobs:
  ASAN:
    runs-on: ubuntu-latest
    env:
      CC: clang-11
    steps:
      - uses: actions/checkout@v2

      - name: Setup commom environment variables
        run: |
          echo "$HOME/.local/bin" >> $GITHUB_PATH

          echo "CI_BUILD_DIR=$GITHUB_WORKSPACE" >> $GITHUB_ENV
          echo "BUILD_DIR=$GITHUB_WORKSPACE/build" >> $GITHUB_ENV
          echo "DEPS_BUILD_DIR=$HOME/nvim-deps" >> $GITHUB_ENV
          echo "INSTALL_PREFIX=$HOME/nvim-install" >> $GITHUB_ENV
          echo "LOG_DIR=$GITHUB_WORKSPACE/build/log" >> $GITHUB_ENV
          echo "NVIM_LOG_FILE=$GITHUB_WORKSPACE/build/.nvimlog" >> $GITHUB_ENV
          echo "CMAKE_FLAGS=-DCI_BUILD=ON -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX:PATH=$HOME/nvim-install -DBUSTED_OUTPUT_TYPE=nvim -DDEPS_PREFIX=$HOME/nvim-deps/usr -DMIN_LOG_LEVEL=3" >> $GITHUB_ENV
          echo "ASAN_OPTIONS=detect_leaks=1:check_initialization_order=1:log_path=$GITHUB_WORKSPACE/build/log/asan" >> $GITHUB_ENV
          echo "TSAN_OPTIONS=log_path=$GITHUB_WORKSPACE/build/log/tsan" >> $GITHUB_ENV
          echo "UBSAN_OPTIONS=print_stacktrace=1 log_path=$GITHUB_WORKSPACE/build/log/ubsan" >> $GITHUB_ENV
          echo "VALGRIND_LOG=$GITHUB_WORKSPACE/build/log/valgrind-%p.log" >> $GITHUB_ENV
          echo "CACHE_NVIM_DEPS_DIR=$HOME/.cache/nvim-deps" >> $GITHUB_ENV
          echo "CACHE_MARKER=$HOME/.cache/nvim-deps/.ci_cache_marker" >> $GITHUB_ENV
          echo "CCACHE_BASEDIR=$GITHUB_WORKSPACE" >> $GITHUB_ENV

      - name: Setup clang repository
        run: |
          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key|sudo apt-key add -
          sudo add-apt-repository 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-11 main'

      - name: Install apt packages
        run: |
          sudo apt-get update
          sudo apt-get install -y autoconf automake build-essential ccache cmake cpanminus cscope gcc-multilib gdb gettext gperf language-pack-tr libtool-bin locales ninja-build pkg-config python python-pip python-setuptools python3 python3-pip python3-setuptools unzip valgrind xclip

      - name: Install new clang
        run: sudo apt-get install -y clang-11

      - name: Set ASAN env vars
        run: |
          echo "CLANG_SANITIZER=ASAN_UBSAN" >> $GITHUB_ENV
          echo "CMAKE_FLAGS=-DCI_BUILD=ON -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX:PATH=$HOME/nvim-install -DBUSTED_OUTPUT_TYPE=nvim -DDEPS_PREFIX=$HOME/nvim-deps/usr -DMIN_LOG_LEVEL=3 -DPREFER_LUA=ON" >> $GITHUB_ENV
          echo "SYMBOLIZER=asan_symbolize-11" >> $GITHUB_ENV

      - name: Setup interpreter packages
        run: |
          ./ci/before_install.sh
          ./ci/install.sh

      - name: Cache dependencies
        uses: actions/cache@v2
        env:
          cache-name: asan-deps
        with:
          path: |
            ${{ env.CACHE_NVIM_DEPS_DIR }}
            ~/.ccache
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles(format('{0}/**', env.CACHE_NVIM_DEPS_DIR)) }}-${{ github.base_ref }}

      - name: Build third-party
        run: ./ci/before_script.sh

      - name: Build and test
        run: ./ci/script.sh

  lint:
    runs-on: ubuntu-latest
    env:
      CI_TARGET: lint
    steps:
      - uses: actions/checkout@v2

      - name: Setup commom environment variables
        run: |
          echo "$HOME/.local/bin" >> $GITHUB_PATH

          echo "CI_BUILD_DIR=$GITHUB_WORKSPACE" >> $GITHUB_ENV
          echo "BUILD_DIR=$GITHUB_WORKSPACE/build" >> $GITHUB_ENV
          echo "DEPS_BUILD_DIR=$HOME/nvim-deps" >> $GITHUB_ENV
          echo "INSTALL_PREFIX=$HOME/nvim-install" >> $GITHUB_ENV
          echo "LOG_DIR=$GITHUB_WORKSPACE/build/log" >> $GITHUB_ENV
          echo "NVIM_LOG_FILE=$GITHUB_WORKSPACE/build/.nvimlog" >> $GITHUB_ENV
          echo "CMAKE_FLAGS=-DCI_BUILD=ON -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX:PATH=$HOME/nvim-install -DBUSTED_OUTPUT_TYPE=nvim -DDEPS_PREFIX=$HOME/nvim-deps/usr -DMIN_LOG_LEVEL=3" >> $GITHUB_ENV
          echo "ASAN_OPTIONS=detect_leaks=1:check_initialization_order=1:log_path=$GITHUB_WORKSPACE/build/log/asan" >> $GITHUB_ENV
          echo "TSAN_OPTIONS=log_path=$GITHUB_WORKSPACE/build/log/tsan" >> $GITHUB_ENV
          echo "UBSAN_OPTIONS=print_stacktrace=1 log_path=$GITHUB_WORKSPACE/build/log/ubsan" >> $GITHUB_ENV
          echo "VALGRIND_LOG=$GITHUB_WORKSPACE/build/log/valgrind-%p.log" >> $GITHUB_ENV
          echo "CACHE_NVIM_DEPS_DIR=$HOME/.cache/nvim-deps" >> $GITHUB_ENV
          echo "CACHE_MARKER=$HOME/.cache/nvim-deps/.ci_cache_marker" >> $GITHUB_ENV
          echo "CCACHE_BASEDIR=$GITHUB_WORKSPACE" >> $GITHUB_ENV

      - name: Install apt packages
        run: |
          sudo apt-get update
          sudo apt-get install -y autoconf automake build-essential ccache cmake gcc-multilib gettext gperf libtool-bin locales ninja-build pkg-config python3 python3-pip python3-setuptools unzip

      - name: Setup interpreter packages
        run: |
          ./ci/before_install.sh
          ./ci/install.sh

      - name: Cache dependencies
        uses: actions/cache@v2
        env:
          cache-name: lint-deps
        with:
          path: |
            ${{ env.CACHE_NVIM_DEPS_DIR }}
            ~/.ccache
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles(format('{0}/**', env.CACHE_NVIM_DEPS_DIR)) }}-${{ github.base_ref }}

      - name: Build third-party
        run: ./ci/before_script.sh

      - name: Build and test
        run: ./ci/script.sh