rust.yml

name: Cargo & Clippy Test

on:
  push:
    branches: [master]
    paths:
      - src/**
      - test_files/**
      - .cargo/**
      - Cargo.toml
      - Cargo.lock
      - rust-toolchain.toml
      - flake.nix
      - flake.lock
  pull_request:
    paths:
      - src/**
      - test_files/**
      - .cargo/**
      - Cargo.toml
      - Cargo.lock
      - rust-toolchain.toml
      - flake.nix
      - flake.lock

env:
  CARGO_TERM_COLOR: always

jobs:
  build:
    name: Rust build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - name: Cache dependencies installed with cargo
        uses: actions/cache@v4
        with:
          path: |
            ./target/deps
            ~/.cargo
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: ${{ runner.os }}-cargo-
      - name: Build binary
        run: |
          # the binary will be used by the cargo test
          cargo build
          cargo test --no-run --all-targets --all-features
      - name: Compress before uploading artifact to preserve permissions # https://github.com/actions/upload-artifact/tree/v4.4.3#permission-loss
        run: tar -cvzf target.tgz target/
      - uses: actions/upload-artifact@v4
        with:
          include-hidden-files: true
          name: target
          path: target.tgz
          retention-days: 1
  test:
    name: Rust tests
    runs-on: ubuntu-latest
    needs: build
    strategy:
      fail-fast: false
      matrix:
        bash_docker_image:
          - "bash:5.2"
          - "bash:5.1"
          - "bash:5.0"
          - "bash:4.4"
          - "bash:4.3"
          - "bash:4.2"
          - "bash:4.1"
          - "bash:4.0"
          - "bash:3.2"
        sed:
          - GNU_sed
        # Uncomment the next matrix when https://github.com/amber-lang/amber/issues/617 is resolved
        # include:
        #   - sed: BusyBox_sed
        #     bash_version: "bash:latest"
    steps:
      - uses: actions/checkout@v4
      - uses: awalsh128/cache-apt-pkgs-action@latest
        with:
          packages: bc shfmt
          version: 1.0
      - name: Install bshchk
        run: |
          sudo curl https://github.com/b1ek/bshchk/releases/download/1.1/bshchk.linux.amd64 -L -o /usr/bin/bshchk
          sudo chmod +x /usr/bin/bshchk
      - uses: dtolnay/rust-toolchain@stable
      - name: Cache dependencies installed with cargo
        uses: actions/cache@v4
        with:
          path: |
            ./target/deps
            ~/.cargo
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: ${{ runner.os }}-cargo-
      - uses: actions/download-artifact@v4
        with:
          name: target
          path: artifact
      - run: tar -xvzf artifact/target.tgz && rm artifact/target.tgz
      - name: Cache test docker image
        uses: actions/cache@v4
        with:
          path: ~/docker-images/${{ matrix.bash_docker_image }}-${{ matrix.sed }}
          key: ${{ matrix.bash_docker_image }}-${{ matrix.sed }}
      - name: Load or build docker image
        run: |
          if [ -f ~/docker-images/"${{ matrix.bash_docker_image }}-${{ matrix.sed }}" ]; then
            docker load -i ~/docker-images/"${{ matrix.bash_docker_image }}-${{ matrix.sed }}"
          else
            docker build --tag testenv -f .github/workflows/TestEnvDockerfile \
              --build-arg "BASE_BASH_IMAGE=${{ matrix.bash_docker_image }}" \
              --build-arg "SED_VERSION=${{ matrix.sed }}" \
              .
            mkdir -p ~/docker-images
            docker save -o ~/docker-images/"${{ matrix.bash_docker_image }}-${{ matrix.sed }}" testenv
          fi
      - name: Run cargo tests
        env:
          AMBER_TEST_STRATEGY: docker
          AMBER_TEST_ARGS: exec test_container bash
        run: |
          docker run --network host --detach --name test_container testenv
          cargo test --all-targets --all-features
          docker stop test_container -t 0
          docker rm --force test_container
  clippy:
    name: Clippy tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - name: Cache dependencies installed with cargo
        uses: actions/cache@v4
        with:
          path: |
            ./target/deps
            ~/.cargo
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: ${{ runner.os }}-cargo-
      - name: Run clippy check
        run: cargo clippy --all-targets --all-features -- -D warnings