name: GitHub CI

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

# Cancels all previous workflow runs for pull requests that have not completed.
concurrency:
  # The concurrency group contains the workflow name and the branch name for
  # pull requests or the commit hash for any other events.
  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
  cancel-in-progress: true

jobs:
  linux:
    runs-on: ubuntu-20.04

    env:
      CC: ${{ matrix.compiler }}
      TEST: test
      SRCDIR: ./src
      LEAK_CFLAGS: -DEXITFREE
      CFLAGS: -Wno-deprecated-declarations
      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
            uchar: true
          - features: huge
            compiler: clang
            extra: asan
          - features: huge
            compiler: gcc
            coverage: true
            extra: unittests
          - features: normal
            compiler: gcc
            extra: vimtags

    steps:
      - name: Checkout repository from github
        uses: actions/checkout@v3

      - name: Install packages
        run: |
          PKGS=( \
            gettext \
            libgtk2.0-dev \
            desktop-file-utils \
            libtool-bin \
          )
          if ${{ matrix.features == 'huge' }}; then
            PKGS+=( \
              autoconf \
              lcov \
              libcanberra-dev \
              libperl-dev \
              python-dev \
              python3-dev \
              liblua5.3-dev \
              lua5.3 \
              ruby-dev \
              tcl-dev \
              cscope \
              libsodium-dev \
            )
          fi
          sudo apt update && sudo apt install -y "${PKGS[@]}"

      - name: Install gcc-11
        if:  matrix.compiler == 'gcc'
        run: |
          sudo add-apt-repository ppa:ubuntu-toolchain-r/test
          sudo apt install -y gcc-11
          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 100
          sudo update-alternatives --set gcc /usr/bin/gcc-11

      - name: Install clang-15
        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}-15 main"
          sudo apt install -y clang-15 llvm-15
          sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-15 100
          sudo update-alternatives --set clang /usr/bin/clang-15
          sudo update-alternatives --install /usr/bin/llvm-cov llvm-cov /usr/bin/llvm-cov-15 100
          sudo update-alternatives --install /usr/bin/asan_symbolize asan_symbolize /usr/bin/asan_symbolize-15 100

      - 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 ${{ matrix.coverage == true }}; then
            CFLAGS="$CFLAGS --coverage -DUSE_GCOV_FLUSH"
            echo "LDFLAGS=--coverage"
          fi
          if ${{ matrix.uchar == true }}; then
            CFLAGS="$CFLAGS -funsigned-char"
          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
          echo "CFLAGS=$CFLAGS"
          ) >> $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 ${HOME}/bin/gcov
          fi
          sudo sysctl -w net.ipv6.conf.lo.disable_ipv6=0
          sudo usermod -a -G audio "${USER}"
          sudo bash ci/setup-xvfb.sh

      - name: Cache snd-dummy
        uses: actions/cache@v3
        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
          if [[ ${CC} = clang ]]; then
            # Suppress some warnings produced by clang 12 and later.
            sed -i -f ci/config.mk.clang-12.sed ${SRCDIR}/auto/config.mk
          fi

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

      - name: Generate gcov files
        if: matrix.coverage
        run: |
          cd "${SRCDIR}"
          find . -type f -name '*.gcno' -exec gcov -pb {} + || true

      - name: Codecov
        if: matrix.coverage
        uses: codecov/codecov-action@v3.1.0
        with:
          flags: linux,${{ matrix.features }}-${{ matrix.compiler }}-${{ matrix.extra }}

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

  # coveralls:
  #   runs-on: ubuntu-20.04
  #
  #   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: clang
      TEST: test
      SRCDIR: ./src
      LEAK_CFLAGS: -DEXITFREE
      TERM: xterm

    strategy:
      fail-fast: false
      matrix:
        features: [tiny, normal, huge]

    steps:
      - name: Checkout repository from github
        uses: actions/checkout@v3

      - name: Install packages
        if: matrix.features == 'huge'
        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"
            ;;
          normal)
            ;;
          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
          # Suppress some warnings produced by clang 12 and later.
          if clang --version | grep -qs 'Apple clang version \(1[3-9]\|[2-9]\)\.'; then
            sed -i.bak -f ci/config.mk.clang-12.sed ${SRCDIR}/auto/config.mk
          fi

      - name: Build
        env:
          LC_ALL: 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-2022

    env:
      # Interfaces
      # Lua
      LUA_VER: 54
      LUA_VER_DOT: '5.4'
      LUA_RELEASE: 5.4.2
      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
      # do not want \L to end up in pathdef.c and compiler complaining about unknown escape sequences \l
      LUA_DIR_SLASH: D:/Lua
      # Python 2
      PYTHON_VER: 27
      PYTHON_VER_DOT: '2.7'
      PYTHON_DIR: 'C:\Python27'
      # Python 3
      PYTHON3_VER: 310
      PYTHON3_VER_DOT: '3.10'
      # 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"
          - toolchain: mingw
            arch: x64
            features: HUGE
            coverage: yes
        exclude:
          - toolchain: msvc
            arch: x64
            features: NORMAL
          - toolchain: mingw
            arch: x86
            features: NORMAL

    steps:
      - name: Initialize
        id: init
        shell: bash
        run: |
          git config --global core.autocrlf input
          echo "VCVARSALL=$(vswhere -products \* -latest -property installationPath)\\VC\\Auxiliary\\Build\\vcvarsall.bat" >> $GITHUB_ENV
          if [ "${{ matrix.arch }}" = "x86" ]; then
            choco install python2 --forcex86
          else
            choco install python2
          fi
          python3_dir=$(cat "/proc/${{ matrix.cygreg }}/HKEY_LOCAL_MACHINE/SOFTWARE/Python/PythonCore/${PYTHON3_VER_DOT}${{ matrix.pyreg }}/InstallPath/@")
          echo "PYTHON3_DIR=$python3_dir" >> $GITHUB_ENV

      - uses: msys2/setup-msys2@v2
        if: matrix.toolchain == 'mingw'
        with:
          update: true
          install: tar
          pacboy: >-
            make:p gcc:p
          msystem: ${{ matrix.msystem }}
          release: false

      - name: Checkout repository from github
        uses: actions/checkout@v3

      - 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@v3
        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%" ${{ matrix.vcarch }}
          cd src
          if "${{ matrix.features }}"=="HUGE" (
            nmake -nologo -f Make_mvc.mak ^
              FEATURES=${{ matrix.features }} ^
              GUI=yes IME=yes ICONV=yes VIMDLL=yes ^
              DYNAMIC_LUA=yes LUA=%LUA_DIR% ^
              DYNAMIC_PYTHON=yes PYTHON=%PYTHON_DIR% ^
              DYNAMIC_PYTHON3=yes PYTHON3=%PYTHON3_DIR%
          ) else (
            nmake -nologo -f Make_mvc.mak ^
              FEATURES=${{ 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=${LUA_DIR_SLASH} \
              DYNAMIC_PYTHON=yes PYTHON=${PYTHON_DIR} \
              DYNAMIC_PYTHON3=yes PYTHON3=${PYTHON3_DIR} \
              STATIC_STDCPLUS=yes COVERAGE=${{ matrix.coverage }}
          else
            mingw32-make -f Make_ming.mak -j2 \
              FEATURES=${{ matrix.features }} \
              GUI=yes IME=yes ICONV=yes VIMDLL=yes \
              STATIC_STDCPLUS=yes
          fi

      - name: Check version
        shell: cmd
        run: |
          PATH %LUA_DIR%;C:\msys64\${{ matrix.msystem }}\bin;%PATH%;%PYTHON3_DIR%
          src\vim --version || exit 1
          src\vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-1.vim -c quit
          src\vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-2.vim -c quit

      #- 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: Copy gcov data files to src2
        if: matrix.coverage
        shell: msys2 {0}
        run: find src -name '*.gcno' | tar -c -T - | tar -x -C src2 --strip-components 1

      - name: Test and show the result of testing gVim
        shell: cmd
        timeout-minutes: 20
        run: |
          PATH %LUA_DIR%;C:\msys64\${{ matrix.msystem }}\bin;%PATH%;%PYTHON3_DIR%
          call "%VCVARSALL%" ${{ matrix.vcarch }}

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

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

      - name: Show the result of testing Vim
        shell: cmd
        timeout-minutes: 20
        run: |
          PATH %LUA_DIR%;C:\msys64\${{ matrix.msystem }}\bin;%PATH%;%PYTHON3_DIR%
          call "%VCVARSALL%" ${{ matrix.vcarch }}

          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%The result of testing Vim:%COL_RESET%
          cd src2\testdir
          if exist messages type messages
          nmake -nologo -f Make_mvc.mak report VIMPROG=..\..\src\vim || exit 1

          if "%timeout%"=="1" (
            echo %COL_RED%Timed out.%COL_RESET%
            exit 1
          )

      - name: Generate gcov files
        if: matrix.coverage
        shell: msys2 {0}
        run: |
          cd src
          find . -type f -name '*.gcno' -exec gcov -pb {} + || true
          cd ../src2
          find . -type f -name '*.gcno' -exec gcov -pb {} + || true

      - name: Codecov (gVim)
        if: matrix.coverage
        uses: codecov/codecov-action@v3.1.0
        with:
          directory: src
          flags: windows,${{ matrix.toolchain }}-${{ matrix.arch }}-${{ matrix.features }}-gui

      - name: Codecov (Vim)
        if: matrix.coverage
        uses: codecov/codecov-action@v3.1.0
        with:
          directory: src2
          flags: windows,${{ matrix.toolchain }}-${{ matrix.arch }}-${{ matrix.features }}