coverage.yml

name: Coverage

on:
  push:
    branches:
      - master
  pull_request:
    types: [ opened, synchronize, reopened ]
  workflow_dispatch:

env:
  CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse

jobs:
  coverage:
    name: Coverage Report
    runs-on: ubuntu-20.04

    # Running the coverage job is only supported on the official repo itself, not on forks
    # (because $GITHUB_TOKEN only have read permissions when run on a fork)
    # We would need something like Codecov integration to handle forks properly
    # https://github.com/taiki-e/cargo-llvm-cov#continuous-integration
    if: github.event.pull_request.head.repo.full_name == github.repository || github.event_name != 'pull_request'

    steps:
      - uses: actions/checkout@v4

      - name: Rust cache
        uses: Swatinem/rust-cache@v2.7.3

      - name: Prepare runner
        run: cargo xtask cov install -v

      - name: Generate PR report
        if: github.event.number != ''
        env:
          GH_TOKEN: ${{ github.token }}
        run: cargo xtask cov report-gh --repo "${{ github.repository }}" --pr "${{ github.event.number }}" -v

      - name: Configure Git Identity
        if: github.ref == 'refs/heads/master'
        run: |
          git config --local user.name "github-actions[bot]"
          git config --local user.email "github-actions[bot]@users.noreply.github.com"

      - name: Update coverage data
        if: github.ref == 'refs/heads/master'
        env:
          GH_TOKEN: ${{ secrets.DEVOLUTIONSBOT_TOKEN }}
        run: cargo xtask cov update -v