coverage.yml

name: Coverage

on:
  schedule:
    - cron: '0 2 * * *' # Nightly at 02:00 UTC
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always

jobs:
  coverage:
    name: Generate Coverage Report
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup workspace dependencies
        run: |
          chmod +x scripts/setup-workspace.sh
          ./scripts/setup-workspace.sh

      - name: Install protoc
        uses: arduino/setup-protoc@v2
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: 1.91.0

      - name: Show Rust versions
        run: |
          rustc --version
          cargo --version

      - name: Install required components
        run: |
          rustup component add rustfmt
          rustup component add clippy
          rustup component add llvm-tools-preview

      - name: Install cargo-llvm-cov
        run: cargo install cargo-llvm-cov --locked

      - name: Cache cargo registry
        uses: actions/cache@v4
        with:
          path: ~/.cargo/registry
          key: ${{ runner.os }}-coverage-cargo-registry-${{ hashFiles('Cargo.lock') }}

      - name: Cache cargo index
        uses: actions/cache@v4
        with:
          path: ~/.cargo/git
          key: ${{ runner.os }}-coverage-cargo-index-${{ hashFiles('Cargo.lock') }}

      - name: Cache cargo build
        uses: actions/cache@v4
        with:
          path: target
          key: ${{ runner.os }}-coverage-cargo-build-${{ hashFiles('Cargo.lock') }}

      - name: Run coverage script (full clean)
        run: ./coverage.sh --full-clean

      - name: Upload HTML report
        uses: actions/upload-artifact@v4
        with:
          name: coverage-html
          path: target/llvm-cov/html

      - name: Upload LCOV file
        uses: actions/upload-artifact@v4
        with:
          name: coverage-lcov
          path: target/coverage/lcov.info