name: CI

on:
  push:
    branches: [ "master" ]
    paths:
      - '**'
      - '!**.md'
  pull_request:
    paths:
      - '**'
      - '!**.md'

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: full

jobs:
  # Build and test with default features
  build-and-test:
    runs-on: ubuntu-latest

    env:
      RUSTFLAGS: --deny warnings

    steps:
    - uses: actions/checkout@v4
    - name: Install system dependencies
      run: sudo apt-get update && sudo apt-get install -y libfontconfig1-dev
    - name: Rustup update
      run: rustup update
    - name: Show cargo version
      run: cargo --version
    - name: Rust build caching
      uses: Swatinem/rust-cache@v2
      with:
        workspaces: . -> target
        key: default-features
        save-if: ${{ github.ref == 'refs/heads/master' }}
    - name: Build
      run: cargo check --verbose --locked
    - name: Test
      run: cargo test --all --verbose --locked
    - name: Check dirty git
      uses: cbeck88/check-dirty-git@v1

  # Build and test with no default features
  build-and-test-no-default-features:
    runs-on: ubuntu-latest

    env:
      RUSTFLAGS: --deny warnings

    steps:
    - uses: actions/checkout@v4
    - name: Install system dependencies
      run: sudo apt-get update && sudo apt-get install -y libfontconfig1-dev
    - name: Rustup update
      run: rustup update
    - name: Show cargo version
      run: cargo --version
    - name: Rust build caching
      uses: Swatinem/rust-cache@v2
      with:
        workspaces: . -> target
        key: no-default-features
        save-if: ${{ github.ref == 'refs/heads/master' }}
    - name: Build
      run: cargo check --no-default-features --verbose --locked
    - name: Test
      run: cargo test --no-default-features --verbose --locked
    - name: Check dirty git
      uses: cbeck88/check-dirty-git@v1

  # Build and test with all features
  build-and-test-all-features:
    runs-on: ubuntu-latest

    env:
      RUSTFLAGS: --deny warnings

    steps:
    - uses: actions/checkout@v4
    - name: Install system dependencies
      run: sudo apt-get update && sudo apt-get install -y libfontconfig1-dev
    - name: Rustup update
      run: rustup update
    - name: Show cargo version
      run: cargo --version
    - name: Rust build caching
      uses: Swatinem/rust-cache@v2
      with:
        workspaces: . -> target
        key: all-features
        save-if: ${{ github.ref == 'refs/heads/master' }}
    - name: Build
      run: cargo check --all-features --verbose --locked
    - name: Test
      run: cargo test --all-features --verbose --locked
    - name: Check dirty git
      uses: cbeck88/check-dirty-git@v1

  # Linting and formatting
  lint:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
    - name: Install system dependencies
      run: sudo apt-get update && sudo apt-get install -y libfontconfig1-dev
    - name: Rustup update and install nightly
      run: |
        rustup update
        rustup install nightly
        rustup component add rustfmt --toolchain nightly
    - name: Show cargo version
      run: cargo --version
    - name: Rust build caching
      uses: Swatinem/rust-cache@v2
      with:
        key: lint
        workspaces: . -> target
        save-if: ${{ github.ref == 'refs/heads/master' }}
    - name: Format
      run: cargo +nightly fmt -- --check
    - name: Clippy
      run: cargo clippy --all --all-features -- -D warnings

  # Semver compatibility checks against published crates.io versions
  semver-checks:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Check semver
        uses: obi1kenobi/cargo-semver-checks-action@v2