name: MinGW
on:
  push:
    paths-ignore:
      - 'doc/**'
      - '**/man/*'
      - '**.md'
      - '**.rdoc'
      - '**/.document'
      - '.*.yml'
  pull_request:
    paths-ignore:
      - 'doc/**'
      - '**/man/*'
      - '**.md'
      - '**.rdoc'
      - '**/.document'
      - '.*.yml'
  merge_group:

concurrency:
  group: ${{ github.workflow }} / ${{ startsWith(github.event_name, 'pull') && github.ref_name || github.sha }}
  cancel-in-progress: ${{ startsWith(github.event_name, 'pull') }}

permissions:
  contents: read

# Notes:
# Actions console encoding causes issues, see test-all & test-spec steps
#
jobs:
  make:
    runs-on: windows-${{ matrix.os }}

    name: ${{ github.workflow }} (${{ matrix.msystem }})

    env:
      MSYSTEM: ${{ matrix.msystem }}
      MSYS2_ARCH: >-
        ${{
        contains(matrix.msystem, 'arm64') && 'aarch64' ||
        contains(matrix.msystem, '64') && 'x86_64' || 'i686'
        }}
      MINGW_PACKAGE_PREFIX: >-
        mingw-w${{
        endsWith(matrix.msystem, '64') && '64' || '32'
        }}-${{
        startsWith(matrix.msystem, 'clang') && 'clang' ||
        startsWith(matrix.msystem, 'ucrt') && 'ucrt' ||
        'mingw'
        }}-${{
        contains(matrix.msystem, 'arm64') && 'aarch64' ||
        endsWith(matrix.msystem, '64') && 'x86_64' || 'i686'
        }}
      CFLAGS: '-mtune=generic -O3 -pipe'
      CXXFLAGS: '-mtune=generic -O3 -pipe'
      CPPFLAGS: '-D_FORTIFY_SOURCE=2 -D__USE_MINGW_ANSI_STDIO=1 -DFD_SETSIZE=2048'
      LDFLAGS: '-pipe'
      GITPULLOPTIONS: --no-tags origin ${{ github.ref }}

    strategy:
      matrix:
        include:
          # To mitigate flakiness of MinGW CI, we test only one runtime that newer MSYS2 uses.
          # Ruby 3.2 is the first Windows Ruby to use OpenSSL 3.x
          - msystem: 'UCRT64'
            os: 2022
            test_task: 'check'
            test-all-opts: '--name=!/TestObjSpace#test_reachable_objects_during_iteration/'
          - msystem: 'CLANGARM64'
            os: 11-arm
            test_task: 'check'
      fail-fast: false

    if: >-
      ${{!(false
      || contains(github.event.head_commit.message, '[DOC]')
      || contains(github.event.pull_request.title, '[DOC]')
      || contains(github.event.pull_request.labels.*.name, 'Documentation')
      || (github.event_name == 'push' && github.event.pull_request.user.login == 'dependabot[bot]')
      )}}

    steps:
      - uses: msys2/setup-msys2@4f806de0a5a7294ffabaff804b38a9b435a73bda # v2.30.0
        id: msys2
        with:
          msystem: ${{ matrix.msystem }}
          update: true
          install: >-
            git
            make
            ruby
            autoconf
            ${{ env.MINGW_PACKAGE_PREFIX }}-gcc
            ${{ env.MINGW_PACKAGE_PREFIX }}-ragel
            ${{ env.MINGW_PACKAGE_PREFIX }}-openssl
            ${{ env.MINGW_PACKAGE_PREFIX }}-libyaml
            ${{ env.MINGW_PACKAGE_PREFIX }}-libffi

      - name: Set up env
        id: setup-env
        working-directory:
        run: |
          $msys2 = ${env:MSYS2_LOCATION}
          $msystem = ${env:MSYSTEM}.ToLower()
          echo $msys2\usr\bin $msys2\$msystem\bin |
            Tee-Object ${env:GITHUB_PATH} -Append -Encoding utf-8

          # Use the fast device for the temporary directory.
          # %TEMP% is inconsistent with %TMP% and test-all expects they are consistent.
          # https://github.com/actions/virtual-environments/issues/712#issuecomment-613004302
          $tmp = ${env:RUNNER_TEMP}
          echo HOME=$home TMP=$tmp TEMP=$tmp TMPDIR=$tmp |
            Tee-Object ${env:GITHUB_ENV} -Append -Encoding utf-8
        shell: pwsh             # cmd.exe does not strip spaces before `|`.
        env:
          MSYS2_LOCATION: ${{ steps.msys2.outputs.msys2-location }}
          MSYSTEM: ${{ matrix.msystem }}

      - name: Remove Strawberry Perl pkg-config
        working-directory:
        # `pkg-config.bat` included in Strawberry Perl is written in
        # Perl and doesn't work when another msys2 `perl` precede its
        # own `perl`.
        #
        # ```
        # Can't find C:\Strawberry\perl\bin\pkg-config.bat on PATH, '.' not in PATH.
        # ```
        run: |
          Get-Command pkg-config.bat | % { ren $_.path ($_.path + "~") }
        shell: pwsh

      - name: Misc system & package info
        working-directory:
        run: |
          group() { echo ::group::$'\e[94;1m'"$*"$'\e[m'; }
          endgroup() { echo ::endgroup::; }

          group Path
          cygpath -wa / . $(type -p cygpath bash sh)
          endgroup

          I() {
              group $1
              run Where type -pa $1 && { [ $# -eq 1 ] || run Version "$@"; } ||
                  failed+=($1)
              endgroup
          }
          run() { local w m=$1; shift; w="$("$@")" && show "$m" && indent "$w"; }
          indent() { [ -z "$1" ] || echo "$1" | /bin/sed '/^$/!s/^/  /'; }
          show() { echo $'\e[96m'"$*"$'\e[m'; }

          failed=()

          I gcc.exe --version
          I ragel.exe --version
          I make.exe --version
          I openssl.exe version
          I libcrypto-3-x64.dll
          I libssl-3-x64.dll

          group Packages
          pacman -Qs $MINGW_PACKAGE_PREFIX-* | /bin/sed -n "s,local/$MINGW_PACKAGE_PREFIX-,,p"
          endgroup

          [ ${#failed[@]} -eq 0 ]
        shell: sh

      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
        with:
          sparse-checkout-cone-mode: false
          sparse-checkout: /.github

      - uses: ./.github/actions/setup/directories
        with:
          srcdir: src
          builddir: build
          makeup: true
          # Set fetch-depth: 10 so that Launchable can receive commits information.
          fetch-depth: 10

      - name: configure
        run: >
          ../src/configure --disable-install-doc --prefix=/.
          --build=$CHOST --host=$CHOST --target=$CHOST
        shell: sh
        env:
          CHOST: ${{ env.MSYS2_ARCH }}-w64-mingw32

      - name: make all
        timeout-minutes: 30
        run: make -j4

      - name: make install
        run: make DESTDIR=../install install-nodoc

      - name: Set up Launchable
        uses: ./.github/actions/launchable/setup
        with:
          os: windows-2022
          launchable-token: ${{ secrets.LAUNCHABLE_TOKEN }}
          builddir: build
          srcdir: src
          test-tasks: '["test", "test-all", "test-spec"]'
        continue-on-error: true
        timeout-minutes: 3

      - name: test
        timeout-minutes: 30
        run: make test test-tool
        env:
          GNUMAKEFLAGS: ''
          RUBY_TESTOPTS: '-v --tty=no'
        if: ${{ matrix.test_task == 'check' || matrix.test_task == 'test' }}

      - name: test-all
        timeout-minutes: 45
        run: |
          make ${{ StartsWith(matrix.test_task, 'test/') && matrix.test_task || 'test-all' }}
        env:
          RUBY_TESTOPTS: >-
            --retry --job-status=normal --show-skip --timeout-scale=1.5 -j4
            ${{ matrix.test-all-opts }}
            ${{ env.TESTS }}
          BUNDLER_VERSION:
        if: ${{ matrix.test_task == 'check' || matrix.test_task == 'test-all' || StartsWith(matrix.test_task, 'test/') }}

      - name: test-spec
        timeout-minutes: 10
        run: |
          make ${{ StartsWith(matrix.test_task, 'spec/') && matrix.test_task || 'test-spec' }}
        if: ${{ matrix.test_task == 'check' || matrix.test_task == 'test-spec' || StartsWith(matrix.test_task, 'spec/') }}

      - uses: ./src/.github/actions/slack
        with:
          label: ${{ matrix.msystem }} / ${{ matrix.test_task }}
          SLACK_WEBHOOK_URL: ${{ secrets.SIMPLER_ALERTS_URL }} # ruby-lang slack: ruby/simpler-alerts-bot
        if: ${{ failure() }}

defaults:
  run:
    working-directory: build
    shell: cmd