pull-request-checks.yml

name: Pull Request Checks

on:
  workflow_dispatch:
  pull_request:
  merge_group:
env:
  CARGO_TERM_COLOR: always

jobs:
  block-fixup:
    name: Block fixup commits
    runs-on: ubuntu-20.04
    if: ${{ github.event_name == 'pull_request' }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Block Fixup Commit Merge
        # https://github.com/13rac1/block-fixup-merge-action
        uses: 13rac1/block-fixup-merge-action@v2.0.0

  # JOB to run change detection
  changes:
    name: Filter changes
    runs-on: ubuntu-20.04
    # Set job outputs to values from filter step
    outputs:
      rust: ${{ steps.filter.outputs.rust || 'true' }}
      workflows: ${{ steps.filter.outputs.workflows || 'true' }}
      docs: ${{ steps.filter.outputs.docs || 'true' }}
    continue-on-error: true
    steps:
      # For pull requests it's not necessary to checkout the code
      - uses: dorny/paths-filter@v3
        if: ${{ github.event_name == 'pull_request' }}
        # https://github.com/dorny/paths-filter
        id: filter
        with:
          filters: |
            rust:
              - 'crates/**'
              - 'plugins/**'
              - 'Cargo.*'
            workflows:
              - '.github/workflows/**'
            docs:
              - 'docs/**'

  #
  # Checking that Cargo.lock is up to date
  #
  check-lockfile-uptodate:
    name: Check whether Cargo.lock is up to date
    runs-on: ubuntu-20.04
    if: ${{ github.event_name == 'pull_request' }}
    outputs:
      locks: ${{ steps.filter.outputs.locks }}
    steps:
      - uses: actions/checkout@v4

      - name: Retrieve MSRV from workspace Cargo.toml
        id: rust_version
        uses: SebRollen/toml-action@v1.2.0
        with:
          file: Cargo.toml
          field: "workspace.package.rust-version"

      - name: Enable toolchain via github action
        uses: dtolnay/rust-toolchain@master
        with:
          targets: armv7-unknown-linux-gnueabihf
          toolchain: ${{ steps.rust_version.outputs.value }}

      - uses: Swatinem/rust-cache@v2

      - uses: dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            locks:
              - '**/Cargo.toml'

      - name: Check whether lockfile is up to date
        if: steps.filter.outputs.locks == 'true'
        run: cargo check --locked

  udeps:
    name: Check for unused dependencies
    runs-on: ubuntu-latest
    needs: changes
    if: ${{ needs.changes.outputs.rust == 'true' || needs.changes.outputs.workflows == 'true' }}
    steps:
      - uses: actions/checkout@v4

      - name: Install nightly
        uses: dtolnay/rust-toolchain@nightly

      - name: Rust Cache
        uses: Swatinem/rust-cache@v2

      - name: Run cargo-udeps
        run: |
          cargo install --git https://github.com/est31/cargo-udeps --locked
          cargo udeps --all-features --all-targets

  dependency-sort:
    name: Sort dependencies
    runs-on: ubuntu-20.04
    needs: changes
    if: ${{ needs.changes.outputs.rust == 'true' || needs.changes.outputs.workflows == 'true' }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install stable
        uses: dtolnay/rust-toolchain@stable

      - name: Install taplo
        run: cargo install taplo-cli

      - name: Check Cargo.toml formatting
        run: taplo fmt --check

  cargo-fmt:
    name: Run cargo fmt
    runs-on: ubuntu-20.04
    needs: changes
    if: ${{ needs.changes.outputs.rust == 'true' || needs.changes.outputs.workflows == 'true' }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      # Nightly toolchain is needed for cargo fmt since issue: https://github.com/thin-edge/thin-edge.io/issues/1660
      # dtolnay/rust-toolchain is preferred over actions-rs/toolchain is currently not maintained and currently using
      # deprecated GHA api (see https://github.com/actions-rs/toolchain/issues/219).
      # However since dtolnay/rust-toolchain does not support the 'override' option, an additional call to
      # rustup override is required (see https://github.com/dtolnay/rust-toolchain/issues/29#issuecomment-1412903426)
      - name: Install nightly
        uses: dtolnay/rust-toolchain@nightly
        with:
          components: rustfmt

      - name: Cargo fmt --version
        run: cargo fmt --version

      - name: Cargo fmt
        run: cargo fmt -- --check

  cargo-clippy:
    name: Run cargo clippy
    runs-on: ubuntu-20.04
    env:
      RUSTFLAGS: -D warnings
    needs: changes
    if: ${{ needs.changes.outputs.rust == 'true' || needs.changes.outputs.workflows == 'true' }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Enable cache
        # https://github.com/marketplace/actions/rust-cache
        uses: Swatinem/rust-cache@v2

      - name: Cargo clippy
        run: |
          cargo clippy --version
          cargo clippy --all-targets --all-features

  cargo-audit:
    name: Run cargo audit
    runs-on: ubuntu-20.04
    needs: changes
    if: ${{ needs.changes.outputs.rust == 'true' || needs.changes.outputs.workflows == 'true' }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install stable
        uses: dtolnay/rust-toolchain@stable

      - name: Cargo audit
        run: cargo audit

  # Only run check if the project still compiles on MSRV, test are run on stable
  check-msrv:
    name: Run cargo check on MSRV
    runs-on: ubuntu-20.04
    needs: changes
    if: ${{ needs.changes.outputs.rust == 'true' || needs.changes.outputs.workflows == 'true' }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Retrieve MSRV from workspace Cargo.toml
        id: rust_version
        uses: SebRollen/toml-action@v1.2.0
        with:
          file: Cargo.toml
          field: "workspace.package.rust-version"

      - name: Enable rust toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ steps.rust_version.outputs.value }}

      - name: Enable cache
        uses: Swatinem/rust-cache@v2

      - name: Run `cargo check`
        run: cargo check --all-targets --all-features

  cargo-test:
    name: Run cargo test
    runs-on: ubuntu-20.04
    env:
      RUSTFLAGS: -D warnings
    needs: changes
    if: ${{ needs.changes.outputs.rust == 'true' || needs.changes.outputs.workflows == 'true' }}
    steps:
      - name: Check disk space before setting up
        run: df -BM

      - name: Reclaim some disk space
        run: |
          sudo rm -rf /usr/share/dotnet
          sudo rm -rf /opt/ghc
          sudo rm -rf "/usr/local/share/boost"
          sudo rm -rf /opt/hostedtoolcache

      - name: Check disk space after freeing
        run: df -BM

      - name: Checkout
        uses: actions/checkout@v4

      - name: Retrieve MSRV from workspace Cargo.toml
        id: rust_version
        uses: SebRollen/toml-action@v1.2.0
        with:
          file: Cargo.toml
          field: "workspace.package.rust-version"

      - name: Enable toolchain via github action
        uses: dtolnay/rust-toolchain@stable
        with:
          components: llvm-tools-preview

      - name: Enable cache
        uses: Swatinem/rust-cache@v2

      - name: cargo install cargo-llvm-cov
        uses: taiki-e/install-action@cargo-llvm-cov

      - name: cargo llvm-cov
        run: cargo llvm-cov --no-fail-fast --locked --all-features --all-targets --codecov --output-path codecov.json

      # https://github.com/rust-lang/cargo/issues/6669
      - name: cargo test --doc
        run: cargo test --locked --all-features --doc

      - name: Upload to codecov.io
        uses: codecov/codecov-action@v4
        with:
          fail_ci_if_error: false

      - name: Check disk space after completing workflow
        run: df -BM

  shellcheck:
    name: Shellcheck
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Run ShellCheck
      uses: ludeeus/action-shellcheck@master

  typos:
    name: Spell Check with Typos
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: crate-ci/typos@v1.23.2
      continue-on-error: true
    - run: exit 0

  doc:
    runs-on: ubuntu-latest
    name: nightly / doc
    needs: changes
    if: ${{ needs.changes.outputs.rust == 'true' || needs.changes.outputs.workflows == 'true' }}
    steps:
      - uses: actions/checkout@v4

      - name: Enable cache
        uses: Swatinem/rust-cache@v2

      - name: Install stable
        uses: dtolnay/rust-toolchain@stable
      - name: cargo doc

        run: cargo doc --no-deps --all-features --workspace

  markdown:
    # Validate that the markdown is correct before merging as errors will cause
    # the publishing of the docs to github pages to fail
    runs-on: ubuntu-latest
    name: Check markdown
    needs: changes
    if: ${{ needs.changes.outputs.docs == 'true' }}
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          # use tedge-docs nodejs version for guidance, though it is not mandatory
          # https://github.com/thin-edge/tedge-docs
          node-version: '>=18.0'
      - run: npx docusaurus-mdx-checker
        working-directory: docs