major-version-check.yml

name: Major version in changeset

on:
  pull_request:
    branches:
      - main
    types:
      - labeled
      - unlabeled
      - opened
      - synchronize
      - reopened

jobs:
  check-changesets:
    if: |
      !contains(github.event.pull_request.labels.*.name, '🤖Skip Major Check')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Fetch all branches
        run: git fetch --all

      - name: Checkout the feature branch
        run: git checkout "$GITHUB_HEAD_REF" --

      - name: Check major versions in changeset entries
        run: |
          commits="origin/$GITHUB_BASE_REF...origin/$GITHUB_HEAD_REF"
          changeset_files=$(git diff --name-only --diff-filter=d "$commits" -- ".changeset/*.md")

          if [[ -z "$changeset_files" ]]; then
            echo "No changeset files detected"
            exit 0
          fi

          if ! echo "$changeset_files" | xargs grep -qE "^\s*[\"'].*?[\"']\s*:\s*major\s*$"; then
            echo "No major version upgrade detected"
            exit 0
          else
            echo "This PR contains a major version upgrade which is only used for breaking changes."
            echo "If you are sure you want to perform this action, please add the '🤖Skip Major Check' label"
            exit 1
          fi