ci.yml

---
name: Rust CI

on:
  push:
    branches:
      - main
  pull_request:
    types:
      - opened
      - synchronize

permissions:
  contents: read
  statuses: write

env:
  CARGO_TERM_COLOR: always

jobs:
  # Ensure Minimum Supported Rust Version (MSRV)
  build-msrv:
    name: Build with MSRV
    runs-on: ubuntu-latest
    outputs:
      msrv: ${{ steps.extract_rust_version.outputs.msrv }}
    steps:
      - uses: actions/checkout@v4
      - name: Extract Rust Version
        id: extract_rust_version
        run: |
          rust_version=$(awk -F '"' '/rust-version/ {print $2; exit}' Cargo.toml)
          if [ -z "$rust_version" ]; then
            echo "Error: rust-version not found in Cargo.toml"
            exit 1
          fi
          echo "msrv=$rust_version" >> "$GITHUB_OUTPUT"
      - name: Set Up Rust Toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: ${{ steps.extract_rust_version.outputs.msrv }}
      - uses: Swatinem/rust-cache@v2
      - run: cargo build --all

  check:
    name: Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - run: cargo check --all

  tests:
    name: Tests
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - run: cargo test --all

  fmt:
    name: Rustfmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - run: rustup component add rustfmt
      - uses: Swatinem/rust-cache@v2
      - run: cargo fmt --all -- --check

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - run: rustup component add clippy
      - uses: Swatinem/rust-cache@v2
      - run: cargo clippy --all -- -D warnings

  line-endings:
    name: Check line endings
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Check for CRLF line endings
        run: |
          echo "Checking for files with CRLF line endings ..."
          files_with_crlf=$(git ls-files -z | xargs -0 grep -IlI $'\r$' || true)
          if [ -n "$files_with_crlf" ]; then
            echo "Error: The following files have CRLF line endings:"
            echo "$files_with_crlf"
            echo "Please change these files to use LF line endings."
            exit 1
          else
            echo "No files with CRLF line endings found."
          fi