ci.yml

name: Continuous Integration

on:
  push:
    branches: [ main ]
  pull_request:

env:
  CARGO_TERM_COLOR: always

jobs:
  format:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          profile: minimal
          components: rustfmt
          default: true
      - name: Cargo cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-rust_stable-${{ hashFiles('**/Cargo.toml') }}
      - name: Format
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

  clippy-check:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        rust: ['1.65.0', 'stable', 'beta']
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          profile: minimal
          components: clippy
          default: true
      - name: Cargo cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-rust_stable-${{ hashFiles('**/Cargo.toml') }}
      - name: Build cache
        uses: actions/cache@v2
        with:
          path: target
          key: ${{ runner.os }}-build-rust_stable-check-${{ hashFiles('**/Cargo.toml') }}
      - name: System dependencies
        run: sudo apt-get update; sudo apt-get install libpixman-1-0
      - name: Clippy
        uses: actions-rs/clippy-check@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          args: --all --all-features --all-targets -- -D warnings

  check-minimal:
    env:
      RUSTFLAGS: "-D warnings"

    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
        with:
          submodules: recursive
      - name: Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: nightly
          override: true
          profile: minimal
          default: true
      - name: Cargo cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-rust_nightly-${{ hashFiles('**/Cargo.toml') }}
      - name: System dependencies
        run: sudo apt-get update; sudo apt-get install libpixman-1-0
      - name: Downgrade to minimal dependencies
        uses: actions-rs/cargo@v1
        with:
          command: update
          args: -Z minimal-versions
      - name: Check
        uses: actions-rs/cargo@v1
        with:
          command: check
          args: --all

  test:
    needs:
      - format
      - clippy-check
    strategy:
      fail-fast: false
      matrix:
        features:
        - ''
        - default
        - drm-fourcc

    env:
      RUSTFLAGS: "-D warnings"

    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2
      - name: Cargo cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-rust_stable-${{ hashFiles('**/Cargo.toml') }}
      - name: Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          default: true
          profile: minimal      
      - name: System dependencies
        run: sudo apt-get update; sudo apt-get install libpixman-1-0
      - name: Build cache
        uses: actions/cache@v2
        with:
          path: target
          key: ${{ runner.os }}-build-rust_stable-smithay-feature_${{ matrix.features }}-${{ hashFiles('**/Cargo.toml') }}
      - name: Test features
        uses: actions-rs/cargo@v1
        env:
          RUST_BACKTRACE: full
        with:
          command: test
          args: --no-default-features --features "${{ matrix.features }}"