ci.yml

name: CI

on:
  push:
    branches: ["master"]
  pull_request:
    branches: ["master"]
  workflow_call:

env:
  CARGO_TERM_COLOR: always
  CARGO_INCREMENTAL: 0
  CARGO_NET_RETRY: 10
  RUSTUP_MAX_RETRIES: 10
  RUST_BACKTRACE: short
  PKG_CONFIG_ALLOW_CROSS: 1

jobs:
  check:
    name: Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install system dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y libudev-dev pkg-config

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy

      - name: Cache cargo
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Check formatting
        run: cargo fmt --all -- --check

      - name: Check clippy
        run: cargo clippy -- -D warnings

      - name: Run tests
        run: cargo test --all-features

  build-linux:
    name: Build Linux
    needs: check
    runs-on: ubuntu-latest
    strategy:
      matrix:
        target:
          - x86_64-unknown-linux-gnu
          - aarch64-unknown-linux-gnu
          - armv7-unknown-linux-gnueabihf

    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: ${{ matrix.target }}

      - name: Install cross
        uses: taiki-e/install-action@cross

      - name: Cache cargo
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ matrix.target }}-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-${{ matrix.target }}-

      - name: Cache cross
        uses: actions/cache@v3
        if: matrix.target != 'x86_64-unknown-linux-gnu'
        with:
          path: ~/.cargo/.cross
          key: ${{ runner.os }}-cross-${{ matrix.target }}-${{ hashFiles('Cross.toml') }}
          restore-keys: |
            ${{ runner.os }}-cross-${{ matrix.target }}-

      - name: Install target specific dependencies
        if: matrix.target == 'x86_64-unknown-linux-gnu'
        run: |
          sudo apt-get update
          sudo apt-get install -y libudev-dev dpkg-dev

      - name: Set library path
        if: matrix.target == 'x86_64-unknown-linux-gnu'
        run: |
          echo "LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu:$LD_LIBRARY_PATH" >> $GITHUB_ENV
          echo "LIBRARY_PATH=/usr/lib/x86_64-linux-gnu:$LIBRARY_PATH" >> $GITHUB_ENV

      - name: Build
        env:
          PKG_CONFIG_ALLOW_CROSS: "1"
        run: |
          if [ "${{ matrix.target }}" = "x86_64-unknown-linux-gnu" ]; then
            # Native build uses standard system paths
            cargo build --release --target ${{ matrix.target }}
          else
            # Cross compilation requires special paths
            if [ "${{ matrix.target }}" = "armv7-unknown-linux-gnueabihf" ]; then
              PKG_PATH="/usr/lib/arm-linux-gnueabihf/pkgconfig"
            elif [ "${{ matrix.target }}" = "aarch64-unknown-linux-gnu" ]; then
              PKG_PATH="/usr/lib/aarch64-linux-gnu/pkgconfig"
            fi
            PKG_CONFIG_PATH="$PKG_PATH" \
            PKG_CONFIG_SYSROOT_DIR="/usr" \
            PKG_CONFIG_LIBDIR="$PKG_PATH" \
            cross build --release --target ${{ matrix.target }}
          fi