ci.yaml

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

name: CI

jobs:
  rustfmt:
    name: Check code formatting
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - run: cargo fmt --check

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
    steps:
      - uses: actions/checkout@v3
      - name: Install protobuf
        run: |
          sudo apt-get update
          sudo apt-get install -y libprotobuf-dev libprotobuf-c-dev protobuf-compiler protobuf-c-compiler
      - uses: actions-rs/clippy-check@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

  build:
    name: Build / Rust ${{ matrix.toolchain }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        toolchain: ["stable", "beta", "1.75"]
        include:
          - toolchain: nightly
            coverage: true
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Install protobuf
        run: |
          sudo apt-get update
          sudo apt-get install -y libprotobuf-dev libprotobuf-c-dev protobuf-compiler protobuf-c-compiler

      - id: rustc
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.toolchain }}
          components: llvm-tools

      - name: Configure CI cache
        uses: Swatinem/rust-cache@v2

      - name: Build
        run: cargo +${{ steps.rustc.outputs.name }} build --all-targets

      - name: Run tests
        if: matrix.toolchain != 'nightly'
        run: cargo +${{ steps.rustc.outputs.name }} test --all-targets --no-fail-fast

      - name: Run tests with code coverage
        if: matrix.toolchain == 'nightly'
        run: cargo +${{ steps.rustc.outputs.name }} test --all-targets --no-fail-fast
        env:
          CARGO_INCREMENTAL: '0'
          LLVM_PROFILE_FILE: 'libsignal-service-%p-%m.profraw'
          RUSTFLAGS: '-Cinstrument-coverage'
          RUSTDOCFLAGS: '-Cinstrument-coverage'

      - name: Generate code coverage
        uses: actions-rs/grcov@v0.1
        if: matrix.toolchain == 'nightly'

      - name: Upload coverage reports to Codecov with GitHub Action
        uses: codecov/codecov-action@v3
        if: matrix.toolchain == 'nightly'