rust-lint.yml

name: Rust code linters

# Cancel workflow if there is a new change to the branch.
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

on:
  workflow_dispatch:
  merge_group:
  pull_request:
    branches:
      - main
    paths:
      - '**/*.rs'
      - '.github/workflows/rust-lint.yml'
  push:
    branches:
      - main
    paths:
      - '**/*.rs'
      - '.github/workflows/rust-lint.yml'
  schedule:
    - cron: "0 0 * * *"

env:
  CI: 1
  CARGO_INCREMENTAL: 0
  CACHE_TIMEOUT_MINUTES: 5
  AWS_ACCESS_KEY_ID: '${{ secrets.AWS_ACCESS_KEY_ID }}'
  AWS_SECRET_ACCESS_KEY: '${{ secrets.AWS_SECRET_ACCESS_KEY }}'
  RUSTC_WRAPPER: "sccache"
  CC: "sccache clang"
  CXX: "sccache clang++"

jobs:
  lint-all:
    name: All lint checks
    runs-on: ubuntu-24.04
    steps:
      - name: Configure SCCache variables
        run: |
          # External PRs do not have access to 'vars' or 'secrets'.
          if [[ "$AWS_ACCESS_KEY_ID" != "" ]]; then
            echo "SCCACHE_ENDPOINT=${{ vars.SCCACHE_ENDPOINT}}" >> $GITHUB_ENV
            echo "SCCACHE_BUCKET=${{ vars.SCCACHE_BUCKET}}" >> $GITHUB_ENV
            echo "SCCACHE_REGION=${{ vars.SCCACHE_REGION}}" >> $GITHUB_ENV
          fi
      - name: Checkout Sources
        uses: actions/checkout@v4
      - name: Setup sccache
        uses: mozilla-actions/sccache-action@v0.0.7
        timeout-minutes: ${{ fromJSON(env.CACHE_TIMEOUT_MINUTES) }}
        continue-on-error: true
      - name: Apt Dependencies
        uses: nick-fields/retry@v3
        with:
          timeout_minutes: 5
          max_attempts: 3
          command: |
            sudo apt-get install -y libclang-dev # required dep for cargo-spellcheck
      - name: Install Lint tools
        run: make install-lint-tools-ci
        env:
          RUSTFLAGS: "-Cstrip=symbols"
      - run: make lint-all

  dependencies-check:
    name: Check cargo files
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v4
      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: "3.0"
      - name: Run dependencies checks
        run: |
          gem install toml-rb --no-document
          ruby scripts/linters/find_unused_deps.rb