release-on-version-change.yml

name: Create Tag and Release on Version Change

on:
  push:
    branches:
      - main
    paths:
      - 'package.json'

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Get current version from package.json
        id: current
        run: echo "version=$(jq -r .version package.json)" >> $GITHUB_OUTPUT

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

      - name: Get latest tag
        id: latest
        run: |
          latest_tag=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          echo "latest_tag=$latest_tag" >> $GITHUB_OUTPUT

      - name: Compare versions
        id: compare
        run: |
          if [ "${{ steps.latest.outputs.latest_tag }}" != "v${{ steps.current.outputs.version }}" ]; then
            echo "new_tag=v${{ steps.current.outputs.version }}" >> $GITHUB_OUTPUT
            echo "should_tag=true" >> $GITHUB_OUTPUT
          else
            echo "should_tag=false" >> $GITHUB_OUTPUT
          fi

      - name: Create new tag
        if: steps.compare.outputs.should_tag == 'true'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag ${{ steps.compare.outputs.new_tag }}
          git push origin ${{ steps.compare.outputs.new_tag }}

      - name: Create GitHub Release
        if: steps.compare.outputs.should_tag == 'true'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.compare.outputs.new_tag }}
          name: "Release ${{ steps.compare.outputs.new_tag }}"
          body: |
            🚀 **Stable Release**  
            Version: `${{ steps.current.outputs.version }}`

            ✅ Optimized and production-ready build.
            🧩 Automatic release created from main branch.
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Output result
        run: |
          if [ "${{ steps.compare.outputs.should_tag }}" = "true" ]; then
            echo "✅ Created new release for tag ${{ steps.compare.outputs.new_tag }}"
          else
            echo "ℹ️ Version unchanged, no release created."
          fi