name: Rust

permissions:
  actions: read

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

env:
  CARGO_TERM_COLOR: always
  CARGO_PROJECT_FEATURES: "v2021_5,cap-std-apis"
  # TODO: Automatically query this from the C side
  LATEST_LIBOSTREE: "v2022_5"
  # Minimum supported Rust version (MSRV)
  ACTION_MSRV_TOOLCHAIN: 1.58.1
  # Pinned toolchain for linting
  ACTION_LINTS_TOOLCHAIN: 1.64.0

jobs:
  build:
    runs-on: ubuntu-latest
    container: quay.io/coreos-assembler/fcos-buildroot:testing-devel
    steps:
      - uses: actions/checkout@v2
      - name: Cache Dependencies
        uses: Swatinem/rust-cache@ce325b60658c1b38465c06cc965b79baf32c1e72
      - name: Build
        run: cargo build --verbose --features=${{ env['CARGO_PROJECT_FEATURES'] }}
      - name: Run tests
        run: cargo test --verbose --features=${{ env['CARGO_PROJECT_FEATURES'] }}
  build-minimum-toolchain:
    name: "Build, minimum supported toolchain (MSRV)"
    runs-on: ubuntu-latest
    container: quay.io/coreos-assembler/fcos-buildroot:testing-devel
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Remove system Rust toolchain
        run: dnf remove -y rust cargo
      - name: Install toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ env['ACTION_MSRV_TOOLCHAIN']  }}
          default: true
      - name: Cache Dependencies
        uses: Swatinem/rust-cache@ce325b60658c1b38465c06cc965b79baf32c1e72
      - name: cargo check
        run: cargo check --features=${{ env['CARGO_PROJECT_FEATURES'] }}
  build-no-features:
    runs-on: ubuntu-latest
    container: quay.io/coreos-assembler/fcos-buildroot:testing-devel
    steps:
      - uses: actions/checkout@v2
      - name: Cache Dependencies
        uses: Swatinem/rust-cache@ce325b60658c1b38465c06cc965b79baf32c1e72
      - name: Build
        run: cargo test --no-run
      - name: Run tests
        run: cargo test --verbose
  build-git-libostree:
    runs-on: ubuntu-latest
    container: quay.io/coreos-assembler/fcos-buildroot:testing-devel
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          submodules: true
      - name: Cache Dependencies
        uses: Swatinem/rust-cache@ce325b60658c1b38465c06cc965b79baf32c1e72
      - name: Build libostree
        run: ./ci/build.sh
      - name: Install libostree
        run: make install
      - name: Rust build
        run: cargo test --no-run --verbose --features=${{ env['LATEST_LIBOSTREE'] }}
      - name: Run tests
        run: cargo test --verbose --features=${{ env['LATEST_LIBOSTREE'] }}
  linting:
    name: "Lints, pinned toolchain"
    runs-on: ubuntu-latest
    container: quay.io/coreos-assembler/fcos-buildroot:testing-devel
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Remove system Rust toolchain
        run: dnf remove -y rust cargo
      - name: Install toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ env['ACTION_LINTS_TOOLCHAIN']  }}
          default: true
          components: rustfmt, clippy
      - name: cargo fmt (check)
        run: cargo fmt -p ostree -- --check -l
      - name: cargo clippy (warnings)
        run: cargo clippy -p ostree --features=${{ env['CARGO_PROJECT_FEATURES'] }} -- -D warnings
  cargo-deny:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - uses: EmbarkStudios/cargo-deny-action@v1
      with:
        log-level: warn
        command: check bans sources licenses