name: Continuous Integration

on:
  push:
    branches:
      - main
      - github-actions
  pull_request:

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt,clippy
      - name: rustfmt
        run: cargo fmt --all -- --check
      - name: clippy
        run: cargo clippy --all-features --all-targets -- -D warnings

  test:
    name: Test
    runs-on: ${{ matrix.job.os }}
    strategy:
      matrix:
        job:
          - { os: ubuntu-22.04, target: x86_64-unknown-linux-gnu, release: true }
          - { os: ubuntu-22.04,  target: x86_64-unknown-linux-musl }
          - { os: windows-2022,  target: x86_64-pc-windows-msvc }
          - { os: macos-13,      target: x86_64-apple-darwin }
          - { os: macos-14,      target: aarch64-apple-darwin }
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          target: ${{ matrix.job.target }}
      - name: Fetch
        run: cargo fetch --target ${{ matrix.job.target }}
      - name: Build
        run: cargo test --target ${{ matrix.job.target }} --no-run
      - name: Test
        run: cargo test --target ${{ matrix.job.target }}
      - name: Release test
        if: ${{ matrix.job.release }}
        run: |
          cargo test --target ${{ matrix.job.target }} --release --no-run
          cargo test --target ${{ matrix.job.target }} --release

  install-cross:
    runs-on: ubuntu-latest
    steps:
      - uses: XAMPPRocky/get-github-release@v1
        id: cross
        with:
          owner: rust-embedded
          repo: cross
          matches: linux-musl
          token: ${{ secrets.GITHUB_TOKEN }}
      - uses: actions/upload-artifact@v4
        with:
          name: cross-linux-musl
          path: ${{ steps.cross.outputs.install_path }}

  # This job builds and tests non-tier1 targets
  build_lower_tier:
    name: Build sources
    runs-on: ubuntu-22.04
    needs: install-cross
    strategy:
      matrix:
        job:
          - target: i686-unknown-linux-gnu
          - target: aarch64-unknown-linux-gnu
          - target: aarch64-unknown-linux-musl
          - target: arm-unknown-linux-gnueabi
          - target: arm-unknown-linux-musleabi
          - target: arm-linux-androideabi
          - target: arm-unknown-linux-gnueabihf
    steps:
      - uses: actions/checkout@v4
      - name: Download Cross
        uses: actions/download-artifact@v4
        with:
          name: cross-linux-musl
          path: /tmp/
      - run: chmod +x /tmp/cross
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          target: ${{ matrix.job.target }}
      - name: Build and Test
        run: |
          /tmp/cross build --target ${{ matrix.job.target }} --all-targets
          # /tmp/cross test --target ${{ matrix.job.target }}
          # /tmp/cross test --target ${{ matrix.job.target }} -- ignored

  # The cargo x86-64-linux-android target configuration in .cargo/config.toml
  # interacts with this job.
  test-android:
    name: Test android
    runs-on: ubuntu-latest
    env:
      ANDROID_HOME: /usr/local/lib/android/sdk
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          target: x86_64-linux-android
      - name: Enable KVM
        run: |
          echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
          sudo udevadm control --reload-rules
          sudo udevadm trigger --name-match=kvm
      # Add the (eventual) NDK toolchain bin directory to PATH so the linker is
      # available to cargo
      - run: echo "$ANDROID_HOME/ndk/26.2.11394342/toolchains/llvm/prebuilt/linux-x86_64/bin" >> $GITHUB_PATH
      - name: Build/run tests in android emulator
        uses: reactivecircus/android-emulator-runner@v2
        with:
          arch: x86_64
          api-level: 30
          ndk: 26.2.11394342
          script: |
            # run adb as root so we can create remote directories
            adb root
            # Copy test helper binary over as a side-effect of running it.
            cargo run --target x86_64-linux-android --bin test -- nop
            # Build and run tests
            cargo test --target x86_64-linux-android

  deny-check:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
      - name: deny check
        uses: EmbarkStudios/cargo-deny-action@v2
        with:
          # Note that advisories are checked separately on a schedule in audit.yml
          command: check bans licenses sources