codecov.yml

name: Codecov
on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
    types: [opened, reopened, synchronize]

jobs:
  diff:
    runs-on: [ubuntu-latest]
    outputs:
      isRust: ${{ steps.diff.outputs.isRust }}
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11  # Pin v4.1.1
      - name: Detect Changes
        uses: './.github/actions/diffs'
        id: diff

  codecov-grcov:
    name: Generate code coverage
    needs: diff
    if: github.event.pull_request.draft == false && needs.diff.outputs.isRust == 'true'
    runs-on: [ubuntu-ghcloud]
    strategy:
      fail-fast: true
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11  # Pin v4.1.1
      - run: rustup component add llvm-tools-preview
      # Enable caching of the 'librocksdb-sys' crate by additionally caching the
      # 'librocksdb-sys' src directory which is managed by cargo
      - name: Install grcov, and cache the binary
        uses: baptiste0928/cargo-install@1cd874a5478fdca35d868ccc74640c5aabbb8f1b # pin@v3.0.0
        with:
          crate: grcov
          locked: true

      - name: Set Swap Space
        uses: pierotofy/set-swap-space@master
        with:
          swap-size-gb: 256

      - name: Build
        uses: actions-rs/cargo@ae10961054e4aa8b4aa7dffede299aaf087aa33b # pin@v1.0.3
        with:
          command: build
        env:
          RUSTFLAGS: '-Cinstrument-coverage'
          RUSTDOCFLAGS: '-Cinstrument-coverage'

      - name: Run tests
        env:
          RUSTFLAGS: '-Cinstrument-coverage'
          RUSTDOCFLAGS: '-Cinstrument-coverage'
          LLVM_PROFILE_FILE: 'codecov-instrumentation-%p-%m.profraw'
        run: cargo test

      - name: Run grcov
        run: grcov . --binary-path target/debug/ -s . -t lcov --branch --ignore-not-existing --ignore '../**' --ignore '/*' -o coverage.lcov

      - name: Upload to codecov.io
        uses: codecov/codecov-action@e0b68c6749509c5f83f984dd99a76a1c1a231044 # pin v4.0.1