build.yml

name: Build
on:
  push:
    branches:
      - main
  pull_request:

env:
  CARGO_INCREMENTAL: 0
  CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build_and_test:
    name: cargo test
    runs-on: ubuntu-latest
    env:
      RUSTFLAGS: -D warnings
    strategy:
      fail-fast: false
      matrix:
        toolchain: ["stable", "beta"]
        coverage: [false]
        features: [
          # With std
          "std,gdk-pixbuf",
          "std,gdk-pixbuf,fast-linear-to-srgb",
          "std,image",
          "std,image,fast-linear-to-srgb",
          "std,fast-linear-to-srgb",
          "std",
        ]
        include:
          # Coverage on nightly
          - toolchain: "nightly"
            coverage: true
            features: ""

          # no-std build and tests
          - toolchain: "nightly"
            coverage: false
            features: "fast-linear-to-srgb"

          - toolchain: "nightly"
            coverage: false
            features: ""
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.toolchain }}
          override: true

      - name: Configure CI cache
        uses: Swatinem/rust-cache@v2

      - name: Build
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --all-targets

      - name: Run tests with default features
        uses: actions-rs/cargo@v1
        if: ${{ !matrix.coverage && (matrix.features == '' || matrix.features == 'std')  }}
        with:
          command: test
          args: --all-targets --no-fail-fast

      - name: Run tests with all features
        uses: actions-rs/cargo@v1
        if: ${{ !matrix.coverage && (matrix.features == '' || matrix.features == 'std') }}
        with:
          command: test
          args: --all-targets --no-fail-fast --all-features

      - name: "Run tests with features: ${{ matrix.features }}"
        uses: actions-rs/cargo@v1
        if: ${{ !matrix.coverage }}
        with:
          command: test
          args: --all-targets --no-fail-fast --no-default-features --features "${{ matrix.features }}"

      - name: Run doc tests
        uses: actions-rs/cargo@v1
        if: ${{ !matrix.coverage }}
        with:
          command: test
          args: --doc --no-fail-fast --all-features

      - name: Run tests
        uses: actions-rs/cargo@v1
        if: ${{ matrix.coverage }}
        with:
          command: test
          args: --all-targets --no-fail-fast --all-features
        env:
          CARGO_INCREMENTAL: '0'
          RUSTFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'
          RUSTDOCFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'

      - name: Generate code coverage
        uses: actions-rs/grcov@v0.1
        if: ${{ matrix.coverage }}

      - name: Upload coverage reports to Codecov with GitHub Action
        uses: codecov/codecov-action@v3
        if: ${{ matrix.coverage }}

  rustfmt:
    name: rustfmt
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Setup Rust toolchain
        run: rustup install stable
      
      - name: Check code format
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: -- --check

  clippy:
    name: clippy
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      
      - name: Setup Rust toolchain
        run: rustup install stable
      
      - name: Setup CI cache
        uses: Swatinem/rust-cache@v2

      - name: Run clippy lints
        uses: actions-rs/cargo@v1
        with:
          command: clippy