meson.yml

name: Meson CI

on:
  push:
    branches: [ master, ci ]
  pull_request:
    branches: [ master ]

jobs:
  build:
    name: ${{ matrix.config.name }}
    runs-on: ${{ matrix.config.os }}

    strategy:
      fail-fast: false
      matrix:
        config:
          - {
            name: Windows MSVC Release,
            os: windows-latest,
            msvc: true,
            msystem: MINGW64,
            shell: 'powershell',
            buildtype: release,
            args: '-Ddefault_library=static'
          }
          - {
            name: Windows MinGW Release,
            os: windows-latest,
            msvc: false,
            pkgmanager: msys,
            msystem: MINGW64,
            shell: 'msys2 {0}',
            buildtype: debugoptimized,
            args: ''
          }
          - {
            name: Ubuntu Debug,
            os: ubuntu-latest,
            buildtype: debugoptimized,
            args: ''
          }
          - {
            name: macOS Debug,
            os: macos-latest,
            buildtype: debugoptimized,
            args: ''
          }

    defaults:
      run:
        shell: ${{ matrix.config.shell || 'bash' }}

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: '0'

      - name: Setup MSys2
        if: startsWith(matrix.config.os, 'windows')
        uses: msys2/setup-msys2@v2
        with:
          msystem: ${{ matrix.config.msystem }}
          update: false

      - name: Setup MSVC
        if: matrix.config.os == 'windows-latest' && matrix.config.msvc == true
        uses: ilammy/msvc-dev-cmd@v1

      - name: Install MSVC dependecies with choco
        if: matrix.config.msvc
        run: |
          # for whatever reason choco insist on a reboot if it installs meson
          choco install ninja nasm python pkgconfiglite
          python -m pip install --upgrade pip
          pip install meson

      - name: Install more MSVC dependecies with msys
        if: matrix.config.msvc
        shell: 'msys2 {0}'
        run: |
            pre="$MINGW_PACKAGE_PREFIX"
            mkdir pacman-root
            ln -s /var pacman-root/var
            pacman -r ./pacman-root --noconfirm -S \
              $pre-fribidi $pre-freetype $pre-harfbuzz \
              $pre-fontconfig $pre-libpng
            echo "PKG_CONFIG_PATH=$(cygpath -w "$PWD/pacman-root/mingw64/lib/pkgconfig")" >> "$GITHUB_ENV"

      - name: Install dependencies (not MSVC)
        if: ${{ !matrix.config.msvc }}
        run: |
          case "${{ matrix.config.pkgmanager || matrix.config.os }}" in
            msys)
              pre="$MINGW_PACKAGE_PREFIX"
              pacman --noconfirm -S \
                $pre-gcc $pre-meson $pre-ninja nasm \
                $pre-fribidi $pre-freetype $pre-harfbuzz \
                $pre-fontconfig $pre-libpng
              ;;
            macos-*)
              brew install nasm ninja pkg-config meson
              ;;
            ubuntu-*)
              sudo apt-get update
              sudo apt-get install ninja-build build-essential pkg-config nasm \
                libfreetype-dev libfontconfig-dev libharfbuzz-dev libfribidi-dev \
                python3-pip
              # Drop once 24.04 is available in GHA
              pip3 install  meson
              ;;
          esac

      - name: Set up WrapDB
        if: matrix.config.pkgmanager == 'choco' || matrix.config.os == 'macos-latest'
        run: |
          meson wrap update-db

      - name: Configure
        run: meson setup build ${{ matrix.config.args }} -Dbuildtype=${{ matrix.config.buildtype }}

      - name: Build
        run: meson compile -C build

      - name: Dump Meson Debug Info
        if: failure()
        run: cat build/meson-logs/meson-log.txt

  build-muon:
    runs-on: ubuntu-latest
    container:
      image: alpine:edge

    strategy:
      fail-fast: false
      matrix:
        cc: [gcc]

    steps:
      - name: add testing repo
        run: |
          echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories
          apk update

      - name: install deps
        run: |
          # muon's style lint uses git
          apk add nasm ${{ matrix.cc }} musl-dev muon samurai \
                  freetype-dev fribidi-dev harfbuzz-dev \
                  fontconfig-dev libpng-dev git

      - name: checkout code
        uses: actions/checkout@v4

      - name: configure
        run: |
          muon version
          muon setup -Dtest=true build

      - name: build
        run: |
          samu -C build

      - name: check binary works
        run: |
          build/test/libass_test /tmp/out.png compare/test/sub1.ass 0.5

      - name: lint style (informational)
        run: |
          # `muon fmt -q` already lets us check _if_ there’d be changes, but
          # doesn’t show what would change. `git diff` doesn’t want to work
          # (even with increased fetch-depth) either, possibly due to container env
          LINT_FILES="$(find . -name "meson.build" | sort)"
          for f in $LINT_FILES ; do
            cp "$f" "${f}.org"
          done

          if muon fmt -q $LINT_FILES ; then
            echo "ok"
          else
            muon fmt -i $LINT_FILES
            for f in $LINT_FILES ; do
              git diff --no-index "${f}.org" "$f" || :
            done
            # currently formatting rules are being tweaked;
            # maybe reformat and fail here after muon 0.3.0 is released
            exit 0
          fi

      - name: validate meson.build
        run: |
          # our test build above doesn't hit all conditional paths
          # for now ignore warnings, only fail on errors
          muon analyze

  build-from-tarball:
    runs-on: ubuntu-latest
    container:
      # currently GHA’s ubuntu-latest still has a too old meson
      image: debian:stable

    strategy:
      fail-fast: false
      matrix:
        cc: [gcc]

    steps:
      - name: install dependencies
        run: |
          apt-get update #&& sudo apt-get upgrade
          apt-get install -y --no-install-recommends \
                  autoconf automake make libtool \
                  libfontconfig1-dev libfreetype6-dev libfribidi-dev \
                  libharfbuzz-dev nasm ${{ matrix.cc }} \
                  libpng-dev meson ninja-build

      - name: checkout code
        uses: actions/checkout@v4

      - name: setup distdir
        run: |
          autoreconf -ivf .
          ./configure
          make distdir
          ls -ld libass-*

      - name: meson build in distdir
        run: |
          cd libass-*/
          meson setup build
          ninja -C build
          DESTIDR="$PWD/TEST_INSTALL" ninja -C build install