linux-ci-rust.yml

name: Linux CI Rust

on:
  push:
    branches: [ dev, master ]
  pull_request:
    branches: [ dev, master ]

env:
  SCCACHE_GHA_ENABLED: "true"
  RUSTC_WRAPPER: "sccache"

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  # Check formatting, clippy warnings, run tests and check code coverage.
  build-and-test:
    permissions:
      contents: read
      checks: write
    runs-on: ubuntu-24.04
    if: github.event.pull_request.draft == false
    steps:
      - uses: actions/checkout@v3
      - name: Install system dependencies
        run: |
          tools/install-sys-dependencies-linux

      - name: Run sccache-cache
        uses: mozilla-actions/sccache-action@v0.0.3

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

      - name: Install Rust dependencies
        run: |
          tools/install-rust-dependencies dev

      - name: Check code formatting
        run: |
          cargo fmt --check
        working-directory: rust

      - name: Check Clippy warnings
        run: |
          cargo clippy -- -D warnings
        working-directory: rust

      - name: Run tests
        run: |
          tools/rust-coverage

      - name: Gather and check Rust code coverage
        run: |
          tools/check-coverage rust/coverage.stats rust/coverage.info

  # Run Rust tests in WASM.
  test-wasm:
    runs-on: ubuntu-24.04
    if: github.event.pull_request.draft == false
    steps:
      - uses: actions/checkout@v3
      - name: Install system dependencies
        run: |
          tools/install-sys-dependencies-linux

      - name: Run sccache-cache
        uses: mozilla-actions/sccache-action@v0.0.3

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

      - name: Install Rust dependencies
        run: |
          tools/install-rust-dependencies

      - name: Install emsdk
        run: tools/install-wasm-dependencies

      - name: Run tests in WASM
        run: tools/rust-test wasm

  check-binary-sizes:
    permissions:
      contents: read
      pull-requests: write
    runs-on: macos-latest-xlarge
    if: github.event.pull_request.draft == false
    steps:
      - uses: actions/checkout@v3
      - name: Install system dependencies
        run: |
          tools/install-sys-dependencies-mac

      - name: Run sccache-cache
        uses: mozilla-actions/sccache-action@v0.0.3

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

      - name: Install Rust dependencies
        run: tools/install-rust-dependencies

      - name: Install emsdk
        run: tools/install-wasm-dependencies

      - name: Compile release binaries
        run: |
          mkdir -p build/local/lib
          source emsdk/emsdk_env.sh
          tools/rust-bindgen

      - name: Generate release report
        run: |
          ./tools/release-size measure-rust > release-report.json

      - name: Upload release report
        uses: actions/upload-artifact@v4
        with:
          name: release_report
          path: release-report.json

      # Download previous release report, compare the release binary sizes, and post/update a comment at the Pull Request.
      - name: Download previous release report
        if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork == false
        uses: dawidd6/action-download-artifact@v6
        with:
          commit: ${{github.event.pull_request.base.sha}}
          path: previous
          if_no_artifact_found: warn
          # Same artifact name as at the "Upload release report" step.
          name: release_report
          # Ignore status or conclusion in the search.
          workflow_conclusion: ""

      - name: Craft Comment Body
        if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork == false
        run: |
          # Please note `previous/release-report.json` may not exist if the previous report was not found.
          ./tools/release-size compare --before previous/release-report.json --current release-report.json > report-diff.md

      - name: Create or Update Comment
        if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork == false
        uses: edumserrano/find-create-or-update-comment@v2
        with:
          issue-number: ${{ github.event.pull_request.number }}
          body-includes: "Binary size comparison"
          comment-author: 'github-actions[bot]'
          edit-mode: replace
          body-path: 'report-diff.md'