rescript/.github/workflows/coverage.yml at master · rescript-lang/rescript · GitHub

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name: Coverage

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

concurrency:
  group: coverage-${{ github.ref }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

env:
  OCAMLRUNPARAM: b

jobs:
  coverage:
    runs-on: ubuntu-24.04-arm
    permissions:
      actions: write # For build cache overwriting
      id-token: write # For CodeCov OIDC
    env:
      OS: ubuntu-24.04-arm
      OCAML_COMPILER: 5.3.0
      RUST_TARGET: aarch64-unknown-linux-gnu
    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Setup Node and dependencies
        uses: ./.github/actions/setup-node

      - name: Setup Linux dependencies
        uses: ./.github/actions/setup-linux-dependencies

      - name: Build rewatch
        uses: ./.github/actions/build-rewatch
        with:
          cache-target: ${{ env.RUST_TARGET }}

      - name: Setup OCaml ${{ env.OCAML_COMPILER }}
        id: setup_ocaml
        uses: ./.github/actions/setup-ocaml
        with:
          compiler: ${{ env.OCAML_COMPILER }}
          os: ${{ env.OS }}
          cache-prefix: opam-coverage-v1
          dependency-flags: --deps-only --with-test --with-dev-setup

      # --- Coverage build cache --------------------------------------------
      # The bisect_ppx-instrumented dune build is a separate artifact from
      # the main CI build, so it gets its own key. Only restore/save on
      # master pushes — PRs share the master cache to stay fast but won't
      # poison it.
      - name: Coverage build state key
        id: coverage-build-state-key
        run: echo "value=coverage-build-state-v1-${{ env.OS }}-${{ steps.setup_ocaml.outputs.setup_version }}-${{ env.OCAML_COMPILER }}-${{ hashFiles('*.opam', 'compiler/**', 'dune-project') }}" >> $GITHUB_OUTPUT

      - name: Restore coverage build state
        if: github.base_ref == 'master' || github.ref == 'refs/heads/master'
        id: coverage-build-state
        uses: actions/cache/restore@v6
        with:
          path: |
            ~/.cache/dune
            _build
          key: ${{ steps.coverage-build-state-key.outputs.value }}

      - name: Run coverage
        run: opam exec -- make coverage

      - name: Delete stale coverage build state
        if: github.event_name == 'push' && github.ref == 'refs/heads/master'
        run: |
          gh extension install actions/gh-actions-cache
          gh actions-cache delete ${{ steps.coverage-build-state-key.outputs.value }} \
            -R ${{ github.repository }} \
            -B "$GITHUB_REF" \
            --confirm || echo "not exist"
        env:
          GH_TOKEN: ${{ github.token }}

      - name: Save coverage build state
        if: github.event_name == 'push' && github.ref == 'refs/heads/master'
        uses: actions/cache/save@v6
        with:
          path: |
            ~/.cache/dune
            _build
          key: ${{ steps.coverage-build-state-key.outputs.value }}

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v7
        with:
          files: _coverage/coverage.json
          fail_ci_if_error: false
          use_oidc: true