version-check.yml

name: Version Check

on:
  pull_request:
    branches:
      - master
    paths:
      - 'package.json'

jobs:
  check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout PR
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check version change
        id: version-check
        run: |
          # Get version from PR
          PR_VERSION=$(node -p "require('./package.json').version")
          
          # Get version from master
          git fetch origin master
          git checkout origin/master -- package.json
          MASTER_VERSION=$(node -p "require('./package.json').version")
          git checkout HEAD -- package.json
          
          echo "Master version: $MASTER_VERSION"
          echo "PR version: $PR_VERSION"
          
          if [ "$PR_VERSION" != "$MASTER_VERSION" ]; then
            echo "::error::❌ Do not manually change version in package.json!"
            echo "::error::Use 'workflow_dispatch' on Publish workflow to bump versions automatically."
            echo "::error::Master: $MASTER_VERSION -> PR: $PR_VERSION"
            exit 1
          fi
          
          echo "✅ Version check passed!"

      - name: Comment on PR
        if: failure()
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: '❌ **Version Change Detected**\n\nPlease do not manually change the version in `package.json`.\n\nUse the **[Publish to NPM](../../actions/workflows/publish.yml)** workflow to automatically bump versions.'
            })