oxc/.github/workflows/codecov.yml

# Run cargo-llvm-cov and upload to codecov.io

name: Code Coverage

permissions: {}

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths:
      - "**.rs"
      - ".github/workflows/codecov.yml"

concurrency:
  group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: ${{ github.ref_name != 'main' }}

jobs:
  coverage:
    if: github.repository == 'oxc-project/oxc'
    name: Code Coverage
    runs-on: namespace-profile-linux-x64-default
    steps:
      - name: Checkout
        uses: taiki-e/checkout-action@7d1e50e93dc4fb3bba58f85018fadf77898aee8b # v1.4.2

      - name: Clone submodules
        id: fixtures
        uses: $/.github/actions/clone-submodules
        background: true

      - parallel:
          - uses: namespacelabs/nscloud-cache-action@1124a6f3ce44e5cf84cc22111530961f4d2a15f9 # v1.7.0
            with:
              path: /home/runner/.rustup
              cache: rust
          - uses: oxc-project/setup-node@f46a72f95efdc55273fcd042d61c84e723b2892c # v1.4.1

      - run: rustup component add llvm-tools-preview
      - uses: taiki-e/install-action@f7e5d7c961414b23f5b25b2da9294395d08513ad # v2.87.26
        with:
          tool: cargo-llvm-cov

      - wait: fixtures

      - name: Run
        env:
          # Increase stack size to 100MiB, avoid `oxc_formatter` from stack overflowing when printing long assignment expressions.
          RUST_MIN_STACK: 104857600
          # Limit concurrent compiler processes to avoid exhausting the 8GiB runner.
          CARGO_BUILD_JOBS: 2
        run: cargo codecov --lcov --output-path lcov.info

      - name: Upload Artifact
        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        with:
          if-no-files-found: error
          name: codecov
          path: lcov.info

  # codecov often fails, use another workflow for retry
  upload-codecov:
    name: Upload coverage file
    runs-on: ubuntu-slim
    needs: coverage
    # Check if the event is not triggered by a fork by checking whether CODECOV_TOKEN is set
    env:
      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
    steps:
      - name: Checkout
        if: env.CODECOV_TOKEN
        uses: taiki-e/checkout-action@7d1e50e93dc4fb3bba58f85018fadf77898aee8b # v1.4.2

      - name: Download coverage file
        if: env.CODECOV_TOKEN
        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          name: codecov

      - name: Upload to codecov.io
        if: env.CODECOV_TOKEN
        uses: codecov/codecov-action@303a32d7a59b442fa8d48b6a1cc6825c09c847a5 # v7.1.1
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          fail_ci_if_error: true
          files: lcov.info