coverage.yml

name: Coverage

on: [pull_request, push]

jobs:
  coverage:
    runs-on: ubuntu-22.04
    steps:
      # v4.2.2
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683

      - name: Install Rust
        run: rustup toolchain install stable --component llvm-tools-preview --target wasm32-wasip2
      - name: Install cargo-llvm-cov
        uses: taiki-e/install-action@ff869c26e4a7acc3087d9d6c1163a80d3957bca7 # cargo-llvm-cov

      # WASI guests cannot use the host LLVM coverage runtime.
      - name: Build WASM plugins
        run: cargo +stable xtask build-plugins

      - name: Generate code coverage
        env:
          DIFFR_PLUGINS_BUILT: "1"
        run: cargo +stable llvm-cov --all-features --workspace --lcov --output-path lcov.info
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@75cd11691c0faa626561e295848008c8a7dddffe # v5
        with:
          files: lcov.info
          fail_ci_if_error: false