name: legacy_version_analyze

on:
  push:
    branches:
      - master
      - develop
    paths:
      - 'packages/**'
      - '.github/workflows/legacy_version_analyze.yml'
  pull_request:
    branches:
      - master
      - develop
    paths:
      - 'packages/**'
      - '.github/workflows/legacy_version_analyze.yml'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  # Does a sanity check that packages at least pass analysis on the N-1 and N-2
  # versions of Flutter stable if the package claims to support that version.
  # This is to minimize accidentally making changes that break old versions
  # (which we don't commit to supporting, but don't want to actively break)
  # without updating the constraints.
  analyze_legacy_versions:
    timeout-minutes: 15
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-latest

    # Note: The versions below should be manually updated after a new stable
    # version comes out.
    strategy:
      matrix:
        flutter_version:
          - "3.7.12"
          - "3.3.10"

    steps:
      - name: "Git Checkout"
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: "Install Flutter"
        uses: subosito/flutter-action@v2
        with:
          cache: true
          flutter-version: ${{ matrix.flutter_version }}
      - name: "Install Tools"
        run: flutter pub global activate melos
      - name: "Bootstrap Workspace"
        run: melos bootstrap --verbose
      - name: "Dart Analyze"
        run: melos run analyze