name: CI

on:
  create:
    tags:
  push:
    branches:
      - main
  pull_request:
  workflow_dispatch:

jobs:
  build:
    name: Native Build
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
    steps:
      - uses: actions/cache@v4
        with:
          path: ~/.cache/ccache
          # Bump the prefix number to evict all previous caches and
          # enforce a clean build, in the unlikely case that some
          # weird build error occur and ccache becomes a potential
          # suspect.
          key: 0-cache-ubuntu-latest-${{ github.run_id }}
          restore-keys: |
            0-cache-ubuntu-latest
        if: matrix.os == 'ubuntu-latest'
      - uses: actions/cache@v4
        with:
          path: ~/Library/Caches/ccache
          key: 0-cache-macos-latest-${{ github.run_id }}
          restore-keys: |
            0-cache-macos-latest
        if: matrix.os == 'macos-latest'
      - name: Setup `wasmtime` for tests
        uses: bytecodealliance/actions/wasmtime/setup@v1
        with:
          version: "18.0.2"
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - run: git fetch --tags --force
        name: Force-fetch tags to work around actions/checkout#290
      # We can't use `--depth 1` here sadly because the GNU config
      # submodule is not pinned to a particular tag/branch. Please
      # bump depth (or even better, the submodule), in case of "error:
      # Server does not allow request for unadvertised object" in the
      # future.
      - run: git submodule update --init --depth 32 --jobs 3
      - name: Install ccache, ninja (macOS)
        run: brew install ccache ninja
        if: matrix.os == 'macos-latest'
      - name: Install ccache, ninja (Linux)
        run: sudo apt install ccache ninja-build
        if: matrix.os == 'ubuntu-latest'
      - name: Build
        run: NINJA_FLAGS=-v make package LLVM_CMAKE_FLAGS=-DLLVM_CCACHE_BUILD=ON
        shell: bash
      - name: Run the testsuite
        run: NINJA_FLAGS=-v make check RUNTIME=wasmtime
      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          # Upload the dist folder. Give it a name according to the OS it was built for.
          name: ${{ format( 'dist-{0}', matrix.os) }}
          path: dist

  winbuild:
    name: Windows Build
    runs-on: windows-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - arch: x64
            sys: clang64
            env: clang-x86_64
          - arch: x86
            sys: clang32
            env: clang-i686
    steps:
      - uses: actions/cache@v4
        with:
          path: ~/AppData/Local/ccache
          key: 0-${{ format( 'cache-windows-latest-{0}', matrix.arch) }}-${{ github.run_id }}
          restore-keys: |
            0-${{ format( 'cache-windows-latest-{0}', matrix.arch) }}
      - uses: msys2/setup-msys2@v2
        with:
          install: >-
            base-devel
            git
            mingw-w64-${{ matrix.env }}-ccache
            mingw-w64-${{ matrix.env }}-cmake
            mingw-w64-${{ matrix.env }}-ninja
            mingw-w64-${{ matrix.env }}-toolchain
          msystem: ${{ matrix.sys }}
          update: true
          release: false
          path-type: inherit
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - run: git fetch --tags --force
        name: Force-fetch tags to work around actions/checkout#290
      - run: git submodule update --init --depth 32 --jobs 3
      - name: Build
        shell: msys2 {0}
        run: |
          make package LLVM_CMAKE_FLAGS=-DLLVM_CCACHE_BUILD=ON
          make check
      - name: Does it work sans msys2?
        run: |
          C:\wasi-sdk\bin\clang.exe --version
          C:\wasi-sdk\bin\llvm-ar.exe --version
          C:\wasi-sdk\bin\wasm-ld.exe --version
      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          # Upload the dist folder. Give it a name according to the OS it was built for.
          name: ${{ format( 'dist-windows-latest-{0}', matrix.arch) }}
          path: dist

  dockerbuild:
    name: Docker Build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/cache@v4
        with:
          path: ~/.ccache
          key: 0-cache-ubuntu-bionic-${{ github.run_id }}
          restore-keys: |
            0-cache-ubuntu-bionic

      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - run: git fetch --tags --force
        name: Force-fetch tags to work around actions/checkout#290

      - run: git submodule update --init --depth 32 --jobs 3

      - uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - uses: docker/setup-qemu-action@v2
      - uses: docker/setup-buildx-action@v2

      - uses: docker/metadata-action@v4
        id: meta
        with:
          images: ghcr.io/${{ github.repository }}
          tags: |
            type=schedule
            type=ref,event=branch
            type=ref,event=tag
            type=ref,event=pr
            type=sha

      - name: Run docker_build script
        run: ./docker_build.sh
      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          # Upload the dist folder. Give it a name according to the OS it was built for.
          name: dist-ubuntu-bionic
          path: dist

      - name: Build and push wasi-sdk docker image
        uses: docker/build-push-action@v3
        with:
          context: .
          file: docker/Dockerfile
          push: ${{ github.event_name != 'pull_request' && github.event_name != 'workflow_dispatch' }}
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max