name: GitHub CI

on:
  push:
    branches: ['**']
  pull_request:

jobs:
  linux:
    runs-on: ubuntu-latest

    env:
      CC: ${{ matrix.compiler }}
      TEST: test
      SRCDIR: ./src
      LEAK_CFLAGS: -DEXITFREE
      LOG_DIR: ${{ github.workspace }}/logs
      TERM: xterm
      DISPLAY: ':99'
      DEBIAN_FRONTEND: noninteractive

    strategy:
      fail-fast: false
      matrix:
        features: [tiny, small, normal, huge]
        compiler: [clang, gcc]
        extra: [none]
        include:
          - features: tiny
            compiler: clang
            extra: nogui
          - features: tiny
            compiler: gcc
            extra: nogui
          - features: normal
            shadow: ./src/shadow
          - features: huge
            coverage: true
          - features: huge
            compiler: gcc
            coverage: true
            extra: testgui
          - features: huge
            compiler: clang
            extra: asan
          - features: huge
            compiler: gcc
            coverage: true
            extra: unittests
          - features: normal
            compiler: gcc
            extra: vimtags

    steps:
      - uses: actions/checkout@v2

      - name: Install packages
        run: |
          sudo apt-get install -y \
            autoconf \
            lcov \
            gettext \
            libcanberra-dev \
            libperl-dev \
            python-dev \
            python3-dev \
            liblua5.3-dev \
            lua5.3 \
            ruby-dev \
            tcl-dev \
            cscope \
            libgtk2.0-dev \
            desktop-file-utils \
            libtool-bin

      - name: Install clang-11
        if: matrix.compiler == 'clang'
        run: |
          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
          . /etc/lsb-release
          sudo add-apt-repository -y "deb http://apt.llvm.org/${DISTRIB_CODENAME}/ llvm-toolchain-${DISTRIB_CODENAME}-11 main"
          sudo apt-get install -y clang-11
          sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-11 100
          sudo update-alternatives --set clang /usr/bin/clang-11
          sudo update-alternatives --install /usr/bin/llvm-cov llvm-cov /usr/bin/llvm-cov-11 100

      - name: Set up environment
        run: |
          mkdir -p "${LOG_DIR}"
          mkdir -p "${HOME}/bin"
          echo "${HOME}/bin" >> $GITHUB_PATH
          (
          echo "LINUX_VERSION=$(uname -r)"
          echo "NPROC=$(getconf _NPROCESSORS_ONLN)"
          echo "SND_DUMMY_DIR=${HOME}/snd-dummy"
          echo "TMPDIR=${{ runner.temp }}"

          case "${{ matrix.features }}" in
          tiny|small)
            echo "TEST=testtiny"
            if ${{ contains(matrix.extra, 'nogui') }}; then
              echo "CONFOPT=--disable-gui"
            fi
            ;;
          normal)
            ;;
          huge)
            echo "TEST=scripttests test_libvterm"
            echo "CONFOPT=--enable-perlinterp --enable-pythoninterp --enable-python3interp --enable-rubyinterp --enable-luainterp --enable-tclinterp"
            ;;
          esac

          if ${{ matrix.coverage == true }}; then
            echo "CFLAGS=--coverage -DUSE_GCOV_FLUSH"
            echo "LDFLAGS=--coverage"
          fi
          if ${{ contains(matrix.extra, 'testgui') }}; then
            echo "TEST=-C src testgui"
          fi
          if ${{ contains(matrix.extra, 'unittests') }}; then
            echo "TEST=unittests"
          fi
          if ${{ contains(matrix.extra, 'asan') }}; then
            echo "SANITIZER_CFLAGS=-g -O1 -DABORT_ON_INTERNAL_ERROR -DEXITFREE -fsanitize-recover=all -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer"
            echo "ASAN_OPTIONS=print_stacktrace=1 log_path=${LOG_DIR}/asan"
            echo "UBSAN_OPTIONS=print_stacktrace=1 log_path=${LOG_DIR}/ubsan"
            echo "LSAN_OPTIONS=suppressions=${GITHUB_WORKSPACE}/src/testdir/lsan-suppress.txt"
          fi
          if ${{ contains(matrix.extra, 'vimtags') }}; then
            echo "TEST=-C runtime/doc vimtags VIMEXE=../../${SRCDIR}/vim"
          fi
          ) >> $GITHUB_ENV

      - name: Set up system
        run: |
          if [[ ${CC} = clang ]]; then
            # Use llvm-cov instead of gcov when compiler is clang.
            ln -fs /usr/bin/llvm-cov ${HOME}/bin/gcov
          fi
          # Setup lua5.3 manually since its package doesn't provide alternative.
          # https://bugs.launchpad.net/ubuntu/+source/lua5.3/+bug/1707212
          if [[ ${CONFOPT} =~ luainterp ]]; then
            sudo update-alternatives --install /usr/bin/lua lua /usr/bin/lua5.3 10
          fi
          sudo sysctl -w net.ipv6.conf.lo.disable_ipv6=0
          sudo usermod -a -G audio "${USER}"
          sudo bash ci/setup-xvfb.sh

      - name: Cache snd-dummy
        uses: actions/cache@v2
        with:
          path: ${{ env.SND_DUMMY_DIR }}
          key: linux-${{ env.LINUX_VERSION }}-snd-dummy

      - name: Set up snd-dummy
        run: |
          if [[ ! -e ${SND_DUMMY_DIR}/snd-dummy.ko ]]; then
            bash ci/build-snd-dummy.sh
          fi
          cd "${SND_DUMMY_DIR}"
          sudo insmod soundcore.ko
          sudo insmod snd.ko
          sudo insmod snd-pcm.ko
          sudo insmod snd-dummy.ko

      - name: Check autoconf
        if: contains(matrix.extra, 'unittests')
        run: |
          make -C src autoconf

      - name: Set up shadow dir
        if: matrix.shadow
        run: |
          make -C src shadow
          echo "SRCDIR=${{ matrix.shadow }}" >> $GITHUB_ENV
          echo "SHADOWOPT=-C ${{ matrix.shadow }}" >> $GITHUB_ENV

      - name: Configure
        run: |
          ./configure --with-features=${{ matrix.features }} ${CONFOPT} --enable-fail-if-missing
          # Append various warning flags to CFLAGS.
          sed -i -f ci/config.mk.sed ${SRCDIR}/auto/config.mk
          sed -i -f ci/config.mk.${CC}.sed ${SRCDIR}/auto/config.mk

      - name: Build
        if: (!contains(matrix.extra, 'unittests'))
        run: |
          make ${SHADOWOPT} -j${NPROC}

      - name: Check version
        if: (!contains(matrix.extra, 'unittests'))
        run: |
          "${SRCDIR}"/vim --version
          "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-1.vim -c quit
          "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-2.vim -c quit

      - name: Test
        timeout-minutes: 20
        run: |
          do_test() { sg audio "sg $(id -gn) '$*'"; }
          do_test make ${SHADOWOPT} ${TEST}

      - name: Coveralls
        if: matrix.coverage && success() && github.event_name != 'pull_request'
        env:
          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
          COVERALLS_PARALLEL: true
          TRAVIS_JOB_ID: ${{ github.run_id }}
        run: |
          sudo apt-get install -y python3-setuptools python3-wheel
          # needed for https support for coveralls building cffi only works with gcc, not with clang
          CC=gcc pip3 install --user cpp-coveralls pyopenssl ndg-httpsclient pyasn1
          ~/.local/bin/coveralls -b "${SRCDIR}" -x .xs -e "${SRCDIR}"/if_perl.c -e "${SRCDIR}"/xxd -e "${SRCDIR}"/libvterm --encodings utf-8

      - name: Codecov
        if: matrix.coverage && success()
        run: |
          cd "${SRCDIR}"
          bash <(curl -s https://codecov.io/bash) -F "${{ matrix.features }}-${{ matrix.compiler }}-${{ matrix.extra }}"

      - name: ASan logs
        if: contains(matrix.extra, 'asan') && !cancelled()
        run: |
          for f in $(grep -lR '#[[:digit:]]* *0x[[:digit:]a-fA-F]*' "${LOG_DIR}"); do
            asan_symbolize-11 -l "$f"
            false # in order to fail a job
          done

  coveralls:
    runs-on: ubuntu-latest

    needs: linux
    if: always() && github.event_name != 'pull_request'

    steps:
      - name: Parallel finished
        env:
          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
        run: |
          curl -k "https://coveralls.io/webhook?repo_token=${COVERALLS_REPO_TOKEN}" -d "payload[build_num]=${GITHUB_RUN_ID}&payload[status]=done"

  macos:
    runs-on: macos-latest

    env:
      CC: ${{ matrix.compiler }}
      TEST: test
      SRCDIR: ./src
      LEAK_CFLAGS: -DEXITFREE
      TERM: xterm

    strategy:
      fail-fast: false
      matrix:
        features: [tiny, huge]
        compiler: [clang, gcc]

    steps:
      - uses: actions/checkout@v2

      - name: Install packages
        env:
          HOMEBREW_NO_AUTO_UPDATE: 1
        run: |
          brew install lua
          echo "LUA_PREFIX=/usr/local" >> $GITHUB_ENV

      - name: Set up environment
        run: |
          (
          echo "NPROC=$(getconf _NPROCESSORS_ONLN)"
          case "${{ matrix.features }}" in
          tiny)
            echo "TEST=testtiny"
            echo "CONFOPT=--disable-gui"
            ;;
          huge)
            echo "CONFOPT=--enable-perlinterp --enable-python3interp --enable-rubyinterp --enable-luainterp --enable-tclinterp"
            ;;
          esac
          ) >> $GITHUB_ENV

      - name: Configure
        run: |
          ./configure --with-features=${{ matrix.features }} ${CONFOPT} --enable-fail-if-missing
          # Append various warning flags to CFLAGS.
          # BSD sed needs backup extension specified.
          sed -i.bak -f ci/config.mk.sed ${SRCDIR}/auto/config.mk
          # On macOS, the entity of gcc is clang.
          sed -i.bak -f ci/config.mk.clang.sed ${SRCDIR}/auto/config.mk

      - name: Build
        env:
          LANG: C
        run: |
          make -j${NPROC}

      - name: Check version
        run: |
          "${SRCDIR}"/vim --version
          "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-1.vim -c quit
          "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-2.vim -c quit

      - name: Test
        timeout-minutes: 20
        run: |
          make ${TEST}

  windows:
    runs-on: windows-latest

    env:
      VCVARSALL: C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat
      # Interfaces
      # Lua
      LUA_VER: 54
      LUA_VER_DOT: '5.4'
      LUA_RELEASE: 5.4.0
      LUA32_URL: https://downloads.sourceforge.net/luabinaries/lua-%LUA_RELEASE%_Win32_dllw6_lib.zip
      LUA64_URL: https://downloads.sourceforge.net/luabinaries/lua-%LUA_RELEASE%_Win64_dllw6_lib.zip
      LUA_DIR: D:\Lua
      # Python 2
      PYTHON_VER: 27
      PYTHON_VER_DOT: '2.7'
      # Python 3
      PYTHON3_VER: 38
      PYTHON3_VER_DOT: '3.8'
      # Other dependencies
      # winpty
      WINPTY_URL: https://github.com/rprichard/winpty/releases/download/0.4.3/winpty-0.4.3-msvc2015.zip
      # Escape sequences
      COL_RED: "\x1b[31m"
      COL_GREEN: "\x1b[32m"
      COL_YELLOW: "\x1b[33m"
      COL_RESET: "\x1b[m"

    strategy:
      fail-fast: false
      matrix:
        toolchain: [msvc, mingw]
        arch: [x64, x86]
        features: [HUGE, NORMAL]
        include:
          - arch: x64
            vcarch: amd64
            warch: x64
            bits: 64
            msystem: MINGW64
            cygreg: registry
            pyreg: ""
          - arch: x86
            vcarch: x86
            warch: ia32
            bits: 32
            msystem: MINGW32
            cygreg: registry32
            pyreg: "-32"
        exclude:
          - toolchain: msvc
            arch: x64
            features: NORMAL
          - toolchain: mingw
            arch: x86
            features: NORMAL

    steps:
      - name: Initalize
        id: init
        shell: bash
        run: |
          git config --global core.autocrlf input
          python_dir=$(cat "/proc/${{ matrix.cygreg }}/HKEY_LOCAL_MACHINE/SOFTWARE/Python/PythonCore/${PYTHON_VER_DOT}/InstallPath/@")
          python3_dir=$(cat "/proc/${{ matrix.cygreg }}/HKEY_LOCAL_MACHINE/SOFTWARE/Python/PythonCore/${PYTHON3_VER_DOT}${{ matrix.pyreg }}/InstallPath/@")
          echo "PYTHON_DIR=$python_dir" >> $GITHUB_ENV
          echo "PYTHON3_DIR=$python3_dir" >> $GITHUB_ENV

      - uses: msys2/setup-msys2@v2
        if: matrix.toolchain == 'mingw'
        with:
          msystem: ${{ matrix.msystem }}
          release: false

      - uses: actions/checkout@v2

      - name: Create a list of download URLs
        shell: cmd
        run: |
          type NUL > urls.txt
          echo %LUA_RELEASE%>> urls.txt
          echo %WINPTY_URL%>> urls.txt

      - name: Cache downloaded files
        uses: actions/cache@v2
        with:
          path: downloads
          key: ${{ runner.os }}-${{ matrix.bits }}-${{ hashFiles('urls.txt') }}

      - name: Download dependencies
        shell: cmd
        run: |
          path C:\Program Files\7-Zip;%path%
          if not exist downloads mkdir downloads

          echo %COL_GREEN%Download Lua%COL_RESET%
          call :downloadfile %LUA${{ matrix.bits }}_URL% downloads\lua.zip
          7z x downloads\lua.zip -o%LUA_DIR% > nul || exit 1

          echo %COL_GREEN%Download winpty%COL_RESET%
          call :downloadfile %WINPTY_URL% downloads\winpty.zip
          7z x -y downloads\winpty.zip -oD:\winpty > nul || exit 1
          copy /Y D:\winpty\${{ matrix.warch }}\bin\winpty.dll        src\winpty${{ matrix.bits }}.dll
          copy /Y D:\winpty\${{ matrix.warch }}\bin\winpty-agent.exe  src\

          goto :eof

          :downloadfile
          :: call :downloadfile <URL> <localfile>
          if not exist %2 (
            curl -f -L %1 -o %2
          )
          if ERRORLEVEL 1 (
            rem Retry once.
            curl -f -L %1 -o %2 || exit 1
          )
          goto :eof

      - name: Copy src directory to src2
        shell: cmd
        run: |
          xcopy src src2\ /E > nul

      - name: Build (MSVC)
        if: matrix.toolchain == 'msvc'
        shell: cmd
        run: |
          call "%VCVARSALL%" ${{ matrix.vcarch }}
          cd src
          :: Filter out the progress bar from the build log
          sed -e "s/@<<$/@<< | sed -e 's#.*\\\\r.*##'/" Make_mvc.mak > Make_mvc2.mak
          if "${{ matrix.features }}"=="HUGE" (
            nmake -nologo -f Make_mvc2.mak ^
              FEATURES=${{ matrix.features }} ^
              GUI=yes IME=yes ICONV=yes VIMDLL=yes ^
              DYNAMIC_LUA=yes LUA=%LUA_DIR% ^
              DYNAMIC_PYTHON=yes PYTHON=%PYTHON_DIR% ^
              DYNAMIC_PYTHON3=yes PYTHON3=%PYTHON3_DIR%
          ) else (
            nmake -nologo -f Make_mvc2.mak ^
              FEATURES=${{ matrix.features }} ^
              GUI=yes IME=yes ICONV=yes VIMDLL=yes
          )
          if not exist vim${{ matrix.bits }}.dll (
            echo %COL_RED%Build failure.%COL_RESET%
            exit 1
          )

      - name: Build (MinGW)
        if: matrix.toolchain == 'mingw'
        shell: msys2 {0}
        run: |
          cd src
          if [ "${{ matrix.features }}" = "HUGE" ]; then
            mingw32-make -f Make_ming.mak -j2 \
              FEATURES=${{ matrix.features }} \
              GUI=yes IME=yes ICONV=yes VIMDLL=yes \
              DYNAMIC_LUA=yes LUA=${LUA_DIR} \
              DYNAMIC_PYTHON=yes PYTHON=${PYTHON_DIR} \
              DYNAMIC_PYTHON3=yes PYTHON3=${PYTHON3_DIR} \
              STATIC_STDCPLUS=yes
          else
            mingw32-make -f Make_ming.mak -j2 \
              FEATURES=${{ matrix.features }} \
              GUI=yes IME=yes ICONV=yes VIMDLL=yes \
              STATIC_STDCPLUS=yes
          fi

      #- name: Prepare Artifact
      #  shell: cmd
      #  run: |
      #    mkdir artifacts
      #    copy src\*vim.exe artifacts
      #    copy src\vim*.dll artifacts
      #
      #- name: Upload Artifact
      #  uses: actions/upload-artifact@v1
      #  with:
      #    name: vim${{ matrix.bits }}-${{ matrix.toolchain }}
      #    path: ./artifacts

      - name: Test
        shell: cmd
        timeout-minutes: 20
        run: |
          PATH %LUA_DIR%;C:\msys64\${{ matrix.msystem }}\bin;%PATH%;%PYTHON3_DIR%
          call "%VCVARSALL%" ${{ matrix.vcarch }}
          cd src
          echo.
          echo %COL_GREEN%vim version:%COL_RESET%
          .\vim --version || exit 1

          echo %COL_GREEN%Start testing vim in background.%COL_RESET%
          start cmd /c "cd ..\src2\testdir & nmake -nologo -f Make_dos.mak VIMPROG=..\..\src\vim > nul & echo done>done.txt"

          echo %COL_GREEN%Test gvim:%COL_RESET%
          cd testdir
          nmake -nologo -f Make_dos.mak VIMPROG=..\gvim || exit 1
          cd ..

          echo %COL_GREEN%Wait for vim tests to finish.%COL_RESET%
          cd ..\src2\testdir
          :: Wait about 10 minutes.
          for /L %%i in (1,1,60) do (
            if exist done.txt goto exitloop
            timeout 10 > NUL 2>&1
            if ERRORLEVEL 1 ping -n 11 localhost > NUL
          )
          set timeout=1
          :exitloop

          echo %COL_GREEN%Test results of vim:%COL_RESET%
          if exist messages type messages
          nmake -nologo -f Make_dos.mak report VIMPROG=..\..\src\vim || exit 1
          if "%timeout%"=="1" (
            echo %COL_RED%Timed out.%COL_RESET%
            exit 1
          )