lint.yml

name: Lint

on:
  pull_request:
    branches:
      - main
      - dev

  push:
    branches:
      - main
      - dev

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  linting:
    name: Formatting and Linting
    runs-on: macos-26

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          submodules: recursive

      - name: Install dependencies
        run: command -v swiftlint >/dev/null 2>&1 || brew install swiftlint

      - name: Install SwiftFormat
        env:
          SWIFTFORMAT_VERSION: 0.62.1
        run: |
          # Pinned rather than using the runner image's preinstalled build, so an
          # image update cannot change the lint result without a commit here.
          curl -sSL --fail -o /tmp/swiftformat.zip \
            "https://github.com/nicklockwood/SwiftFormat/releases/download/${SWIFTFORMAT_VERSION}/swiftformat.zip"
          unzip -o -q /tmp/swiftformat.zip -d /tmp/swiftformat-bin
          chmod +x /tmp/swiftformat-bin/swiftformat
          echo "/tmp/swiftformat-bin" >> "$GITHUB_PATH"

      - name: Lint
        run: swiftlint lint --strict

      - name: Format
        run: |
          swiftformat --version
          swiftformat --lint --strict .

  codegen:
    name: Code Generation Checks
    runs-on: macos-26

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          submodules: recursive

      - name: Install dependencies
        run: command -v swiftgen >/dev/null 2>&1 || brew install swiftgen

      - name: Regenerate
        run: swiftgen config run --config swiftgen.yml

      - name: Verify no changes
        run: |
          if ! git diff --exit-code; then
            echo "::error::Generated files are out of date. Run 'swiftgen config run --config swiftgen.yml' and commit the result."
            exit 1
          fi