name: CI
on:
  push:
    branches:
      - 'master'
      - 'release-[0-9]+.[0-9]+'
  pull_request:
    branches:
      - 'master'
      - 'release-[0-9]+.[0-9]+'
    paths-ignore:
      - 'runtime/doc/*'

# Cancel any in-progress CI runs for a PR if it is updated
concurrency:
  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
  cancel-in-progress: true

jobs:
  lint:
    # This job tests two things: it lints the code but also builds neovim using
    # system dependencies instead of bundled dependencies. This is to make sure
    # we are able to build neovim without pigeonholing ourselves into specifics
    # of the bundled dependencies.

    if: (github.event_name == 'pull_request' && github.base_ref == 'master') || (github.event_name == 'push' && github.ref == 'refs/heads/master')
    runs-on: ubuntu-20.04
    timeout-minutes: 10
    env:
      CC: gcc
    steps:
      - uses: actions/checkout@v2

      - name: Setup common environment variables
        run: ./.github/workflows/env.sh lint

      - name: Install apt packages
        run: |
          sudo add-apt-repository ppa:neovim-ppa/stable
          sudo apt-get update
          sudo apt-get install -y \
            autoconf \
            automake \
            build-essential \
            ccache \
            cmake \
            flake8 \
            gettext \
            libluajit-5.1-dev \
            libmsgpack-dev \
            libtermkey-dev \
            libtool-bin \
            libtree-sitter-dev \
            libunibilium-dev \
            libuv1-dev \
            libvterm-dev \
            locales \
            lua-busted \
            lua-check \
            lua-filesystem \
            lua-inspect \
            lua-lpeg \
            lua-luv-dev \
            lua-nvim \
            luajit \
            ninja-build \
            pkg-config

      - name: Cache artifacts
        uses: actions/cache@v2
        with:
          path: |
            ${{ env.CACHE_NVIM_DEPS_DIR }}
            ~/.ccache
          key: lint-${{ hashFiles('cmake/*', '**/CMakeLists.txt', '!third-party/**CMakeLists.txt') }}-${{ github.base_ref }}

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

      - name: Build nvim
        run: ./ci/run_tests.sh build_nvim

      - if: "!cancelled()"
        name: clint-full
        run: ./ci/run_lint.sh clint-full

      - if: "!cancelled()"
        name: stylua
        uses: JohnnyMorganz/stylua-action@1.0.0
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          args: --check runtime/

      - if: "!cancelled()"
        name: lualint
        run: ./ci/run_lint.sh lualint

      - if: "!cancelled()"
        name: pylint
        run: ./ci/run_lint.sh pylint

      - if: "!cancelled()"
        name: shlint
        run: ./ci/run_lint.sh shlint

      - if: "!cancelled()"
        name: check-single-includes
        run: ./ci/run_lint.sh check-single-includes

      - name: Cache dependencies
        run: ./ci/before_cache.sh

  posix:
    name: ${{ matrix.runner }} ${{ matrix.flavor }} (cc=${{ matrix.cc }})
    strategy:
      fail-fast: false
      matrix:
        include:
          - flavor: asan
            cc: clang-13
            runner: ubuntu-20.04
            os: linux
          - flavor: tsan
            cc: clang-13
            runner: ubuntu-20.04
            os: linux
          - flavor: uchar
            cc: gcc
            runner: ubuntu-20.04
            os: linux
          - cc: clang
            runner: macos-10.15
            os: osx
          - cc: clang
            runner: macos-11.0
            os: osx

            # The functionaltest-lua test two things simultaneously:
            # 1. Check that the tests pass with PUC Lua instead of LuaJIT.
            # 2. Use as oldest/minimum versions of dependencies/build tools we
            #    still explicitly support so we don't accidentally rely on
            #    features that is only available on later versions.
          - flavor: functionaltest-lua
            cc: gcc
            runner: ubuntu-20.04
            os: linux
            cmake: minimum_required
    runs-on: ${{ matrix.runner }}
    timeout-minutes: 45
    env:
      CC: ${{ matrix.cc }}
      CI_OS_NAME: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2

      - name: Setup common environment variables
        run: ./.github/workflows/env.sh ${{ matrix.flavor }}

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

      - name: Install minimum required version of cmake
        if: matrix.cmake == 'minimum_required'
        env:
          CMAKE_URL: 'https://cmake.org/files/v3.10/cmake-3.10.0-Linux-x86_64.sh'
          CMAKE_VERSION: '3.10.0'
        shell: bash
        run: |
          curl --retry 5 --silent --show-error --fail -o /tmp/cmake-installer.sh "$CMAKE_URL"
          mkdir -p "$HOME/.local/bin" /opt/cmake-custom
          chmod a+x /tmp/cmake-installer.sh
          /tmp/cmake-installer.sh --prefix=/opt/cmake-custom --skip-license
          ln -sfn /opt/cmake-custom/bin/cmake "$HOME/.local/bin/cmake"
          cmake_version="$(cmake --version | head -1)"
          echo "$cmake_version" | grep -qF "cmake version $CMAKE_VERSION" || {
            echo "Unexpected CMake version: $cmake_version"
            exit 1
          }

      - name: Install new clang
        if: matrix.flavor == 'asan' || matrix.flavor == 'tsan'
        run: |
          wget https://apt.llvm.org/llvm.sh
          chmod a+x llvm.sh
          sudo ./llvm.sh 13
          rm llvm.sh

      - name: Install brew packages
        if: matrix.os == 'osx'
        run: |
          brew update --quiet
          brew install automake ccache cpanminus ninja

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

      - name: Cache dependencies
        uses: actions/cache@v2
        with:
          path: |
            ${{ env.CACHE_NVIM_DEPS_DIR }}
            ~/.ccache
          key: ${{ matrix.runner }}-${{ matrix.flavor }}-${{ matrix.cc }}-${{ hashFiles('cmake/*', 'third-party/**', '**/CMakeLists.txt') }}-${{ github.base_ref }}

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

      - name: Build
        run: ./ci/run_tests.sh build_nvim

      - if: matrix.flavor != 'tsan' && matrix.flavor != 'functionaltest-lua' && !cancelled()
        name: Unittests
        run: ./ci/run_tests.sh unittests

      - if: matrix.flavor != 'tsan' && !cancelled()
        name: Functionaltests
        run: ./ci/run_tests.sh functionaltests

      - if: "!cancelled()"
        name: Oldtests
        run: ./ci/run_tests.sh oldtests

      - if: "!cancelled()"
        name: Install nvim
        run: ./ci/run_tests.sh install_nvim

      - name: Cache dependencies
        run: ./ci/before_cache.sh

  windows:
    runs-on: windows-2019
    timeout-minutes: 45
    env:
      DEPS_BUILD_DIR: ${{ format('{0}/nvim-deps', github.workspace) }}
      DEPS_PREFIX: ${{ format('{0}/nvim-deps/usr', github.workspace) }}
    name: windows (MSVC_64)
    steps:
      - uses: actions/checkout@v2

      - uses: actions/cache@v2
        with:
          path: ${{ env.DEPS_BUILD_DIR }}
          key: ${{ hashFiles('third-party\**') }}

      - name: Run CI
        run: powershell ci\build.ps1
        env:
          CONFIGURATION: MSVC_64