.github/workflows/ci.yml

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

permissions:
  contents: read # to fetch code (actions/checkout)

jobs:
  linux:
    runs-on: ubuntu-22.04

    env:
      CC: ${{ matrix.compiler }}
      GCC_VER: 12
      CLANG_VER: 16
      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, 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 ${{ matrix.features == 'huge' }}; then
            PKGS+=( \
              autoconf \
              lcov \
              libcanberra-dev \
              libperl-dev \
              python2-dev \
              python3-dev \
              liblua5.4-dev \
              lua5.4 \
              ruby-dev \
              tcl-dev \
              cscope \
              libsodium-dev \
            )
          fi
          sudo apt-get update && sudo apt-get install -y "${PKGS[@]}"

      - name: Install gcc-${{ env.GCC_VER }}
        if:  matrix.compiler == 'gcc'
        run: |
          sudo apt-get install -y gcc-${{ env.GCC_VER }}
          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ env.GCC_VER }} 100
          sudo update-alternatives --set gcc /usr/bin/gcc-${{ env.GCC_VER }}

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

          case "${{ matrix.features }}" in
          tiny)
            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: Set up snd-dummy
        if: (!(contains(matrix.extra, 'unittests') || contains(matrix.extra, 'vimtags')))
        env:
          DEST_DIR: ${{ env.TMPDIR }}/linux-modules-extra-${{ env.LINUX_VERSION }}
        run: |
          cd /lib/modules/${{ env.LINUX_VERSION }}
          if apt-cache show linux-modules-extra-${{ env.LINUX_VERSION }} >/dev/null 2>&1 ; then
          echo "Module " linux-modules-extra-${{ env.LINUX_VERSION }} "doesn't seem to exist, continue anyway"; exit 0
          else
          sudo apt-get install -d -y linux-modules-extra-${{ env.LINUX_VERSION }}
          sudo dpkg -x /var/cache/apt/archives/linux-modules-extra-${{ env.LINUX_VERSION }}*.deb "${DEST_DIR}"
          tar -cvC "${DEST_DIR}"/lib/modules/${{ env.LINUX_VERSION }} kernel/sound | sudo tar -x
          sudo depmod --verbose
          sudo modprobe --verbose snd-dummy
          fi

      - 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: 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
        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

  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'
        run: |
          brew install lua
          echo "LUA_PREFIX=/usr/local" >> $GITHUB_ENV
          brew uninstall perl

      - 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: 311
      PYTHON3_VER_DOT: '3.11'
      # Other dependencies
      # winpty
      WINPTY_URL: https://github.com/rprichard/winpty/releases/download/0.4.3/winpty-0.4.3-msvc2015.zip
      # libsodium
      SODIUM_VER: '1.0.18'
      SODIUM_MSVC_URL: https://download.libsodium.org/libsodium/releases/libsodium-%SODIUM_VER%-stable-msvc.zip
      SODIUM_MSVC_VER: v143
      SODIUM_MINGW_URL: https://download.libsodium.org/libsodium/releases/libsodium-%SODIUM_VER%-stable-mingw.tar.gz
      SODIUM_MINGW_VER: 23
      # Escape sequences
      COL_RED: "\x1b[31m"
      COL_GREEN: "\x1b[32m"
      COL_YELLOW: "\x1b[33m"
      COL_RESET: "\x1b[m"

    strategy:
      fail-fast: false
      matrix:
        include:
          - { features: HUGE,   toolchain: msvc,  VIMDLL: no,  GUI: no,  arch: x64 }
          - { features: HUGE,   toolchain: mingw, VIMDLL: yes, GUI: yes, arch: x86, coverage: yes }
          - { features: HUGE,   toolchain: msvc,  VIMDLL: no,  GUI: yes, arch: x86 }
          - { features: HUGE,   toolchain: mingw, VIMDLL: yes, GUI: no,  arch: x64, coverage: yes }
          - { features: NORMAL, toolchain: msvc,  VIMDLL: yes, GUI: no,  arch: x86 }
          - { features: NORMAL, toolchain: mingw, VIMDLL: no,  GUI: yes, arch: x64 }
          - { features: TINY,   toolchain: msvc,  VIMDLL: yes, GUI: yes, arch: x64 }
          - { features: TINY,   toolchain: mingw, VIMDLL: no,  GUI: no,  arch: x86 }

    steps:
      - name: Initialize
        id: init
        shell: bash
        run: |
          # Show Windows version
          cmd /c ver

          git config --global core.autocrlf input

          if ${{ matrix.arch == 'x64' }}; then
            cygreg=registry
            pyreg=
            echo "VCARCH=amd64" >> $GITHUB_ENV
            echo "WARCH=x64" >> $GITHUB_ENV
            echo "BITS=64" >> $GITHUB_ENV
            echo "MSYSTEM=MINGW64" >> $GITHUB_ENV
          else
            cygreg=registry32
            pyreg=-32
            echo "VCARCH=x86" >> $GITHUB_ENV
            echo "WARCH=ia32" >> $GITHUB_ENV
            echo "BITS=32" >> $GITHUB_ENV
            echo "MSYSTEM=MINGW32" >> $GITHUB_ENV
          fi

          echo "VCVARSALL=$(vswhere -products \* -latest -property installationPath)\\VC\\Auxiliary\\Build\\vcvarsall.bat" >> $GITHUB_ENV
          if ${{ matrix.features != 'TINY' }}; then
            if ${{ matrix.arch == 'x86' }}; then
              choco install python2 --no-progress --forcex86
            else
              choco install python2 --no-progress
            fi
          fi
          python3_dir=$(cat "/proc/$cygreg/HKEY_LOCAL_MACHINE/SOFTWARE/Python/PythonCore/${PYTHON3_VER_DOT}$pyreg/InstallPath/@")
          echo "PYTHON3_DIR=$python3_dir" >> $GITHUB_ENV

          if ${{ matrix.toolchain == 'msvc' }}; then
            SODIUM_DIR=D:\\libsodium
            echo "SODIUM_LIB=${SODIUM_DIR}\\${{ matrix.arch == 'x64' && 'x64' || 'Win32' }}\\Release\\${SODIUM_MSVC_VER}\\dynamic" >> $GITHUB_ENV
          else
            SODIUM_DIR=D:\\libsodium-win${{ matrix.arch == 'x64' && '64' || '32' }}
            echo "SODIUM_LIB=${SODIUM_DIR}\\bin" >> $GITHUB_ENV
          fi
          echo "SODIUM_DIR=${SODIUM_DIR}" >> $GITHUB_ENV

      - uses: msys2/setup-msys2@v2
        if: matrix.toolchain == 'mingw'
        with:
          update: true
          install: tar
          pacboy: >-
            make:p gcc:p
          msystem: ${{ env.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
          echo %SODIUM_VER%>> urls.txt

      - name: Cache downloaded files
        uses: actions/cache@v3
        with:
          path: downloads
          key: ${{ runner.os }}-${{ matrix.arch }}-${{ 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${{ env.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\%WARCH%\bin\winpty.dll        src\winpty%BITS%.dll
          copy /Y D:\winpty\%WARCH%\bin\winpty-agent.exe  src\

          echo %COL_GREEN%Download libsodium%COL_RESET%
          if "${{ matrix.toolchain }}"=="msvc" (
            call :downloadfile %SODIUM_MSVC_URL% downloads\libsodium.zip
            7z x -y downloads\libsodium.zip -oD:\ > nul || exit 1
          ) else (
            call :downloadfile %SODIUM_MINGW_URL% downloads\libsodium.tar.gz
            7z x -y downloads\libsodium.tar.gz -so | 7z x -si -ttar -oD:\ > nul || exit 1
            mklink %SODIUM_LIB%\libsodium.dll %SODIUM_LIB%\libsodium-%SODIUM_MINGW_VER%.dll
          )

          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: Build (MSVC)
        if: matrix.toolchain == 'msvc'
        shell: cmd
        run: |
          call "%VCVARSALL%" %VCARCH%
          cd src
          if "${{ matrix.VIMDLL }}"=="yes" (
            set GUI=yes
          ) else (
            set GUI=${{ matrix.GUI }}
          )
          if "${{ matrix.features }}"=="HUGE" (
            nmake -nologo -f Make_mvc.mak ^
              FEATURES=${{ matrix.features }} ^
              GUI=%GUI% IME=yes ICONV=yes VIMDLL=${{ matrix.VIMDLL }} ^
              DYNAMIC_LUA=yes LUA=%LUA_DIR% ^
              DYNAMIC_PYTHON=yes PYTHON=%PYTHON_DIR% ^
              DYNAMIC_PYTHON3=yes PYTHON3=%PYTHON3_DIR% ^
              DYNAMIC_SODIUM=yes SODIUM=%SODIUM_DIR%
          ) else (
            nmake -nologo -f Make_mvc.mak ^
              FEATURES=${{ matrix.features }} ^
              GUI=%GUI% IME=yes ICONV=yes VIMDLL=${{ matrix.VIMDLL }}
          )

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

      - name: Check version
        shell: cmd
        run: |
          PATH %LUA_DIR%;C:\msys64\%MSYSTEM%\bin;%PATH%;%PYTHON3_DIR%
          if "${{ matrix.GUI }}"=="yes" (
            start /wait src\gvim -u NONE -i NONE -c "redir > version.txt | ver | q" || exit 1
            type version.txt
            echo.
            start /wait src\gvim -u NONE -i NONE -c "redir! > version.txt | so ci\if_ver-1.vim | q"
            start /wait src\gvim -u NONE -i NONE -c "redir >> version.txt | so ci\if_ver-2.vim | q"
            type version.txt
            del version.txt
          ) else (
            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: Test and show the result of testing gVim
        if: matrix.GUI == 'yes' || matrix.VIMDLL == 'yes'
        shell: cmd
        timeout-minutes: 15
        run: |
          PATH %LUA_DIR%;C:\msys64\%MSYSTEM%\bin;%PATH%;%PYTHON3_DIR%;%SODIUM_LIB%
          call "%VCVARSALL%" %VCARCH%

          echo %COL_GREEN%Test gVim:%COL_RESET%
          cd src\testdir
          if "${{ matrix.GUI }}"=="yes" (
            nmake -nologo -f Make_mvc.mak VIMPROG=..\gvim || exit 1
          ) else (
            @rem Run only tiny tests.
            nmake -nologo -f Make_mvc.mak tiny VIMPROG=..\gvim  || exit 1
          )

      - name: Test and show the result of testing Vim
        if: matrix.GUI == 'no' || matrix.VIMDLL == 'yes'
        shell: cmd
        timeout-minutes: 15
        run: |
          PATH %LUA_DIR%;C:\msys64\%MSYSTEM%\bin;%PATH%;%PYTHON3_DIR%;%SODIUM_LIB%
          call "%VCVARSALL%" %VCARCH%

          echo %COL_GREEN%Test Vim:%COL_RESET%
          cd src\testdir
          nmake -nologo -f Make_mvc.mak clean
          if "${{ matrix.GUI }}"=="no" (
            nmake -nologo -f Make_mvc.mak VIMPROG=..\vim || exit 1
          ) else (
            @rem Run only tiny tests.
            nmake -nologo -f Make_mvc.mak tiny VIMPROG=..\vim  || exit 1
          )

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

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