ci.yml

### .github/workflows/ci.yml
name: CI

on:
  pull_request:
  push:
    branches:
      - main

jobs:
  changelog:
    name: Changelog
    runs-on: ubuntu-latest

    outputs:
      changelog: ${{ steps.changed-files.outputs.all_changed_files }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v41.0.0

  run_unitary_tests:
    name: Run clippy and unitary tests
    runs-on: ubuntu-latest

    needs: changelog
    if: |
      contains(needs.changelog.outputs.changelog, 'src') ||
      contains(needs.changelog.outputs.changelog, 'Cargo.toml') ||
      contains(needs.changelog.outputs.changelog, 'proto')

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Install stable
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          components: clippy

      - name: Install protoc
        uses: arduino/setup-protoc@v1
        with:
          version: "3.x"

      - name: Cargo clippy
        uses: actions-rs/clippy@master

      - name: Cargo test
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --verbose

  coverage:
    name: Compute code coverage
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true

      - name: Install stable
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          components: llvm-tools-preview

      - name: Install protoc
        uses: arduino/setup-protoc@v1
        with:
          version: "3.x"

      - name: Cargo install cargo-llvm-cov
        uses: taiki-e/install-action@cargo-llvm-cov

      - name: Cargo generate-lockfile
        if: hashFiles('Cargo.lock') == ''
        uses: actions-rs/cargo@v1
        with:
          command: generate-lockfile

      - name: Cargo llvm-cov
        run: cargo llvm-cov --locked --lcov --output-path lcov.info --no-default-features -- --nocapture

      - name: Upload coverage reports to Codecov
        uses: codecov/codecov-action@v3
        with:
          fail_ci_if_error: true