create-version-tag.yml

name: Create Version Tag

on:
  push:
    branches:
      - master
    paths:
      - lerna.json

jobs:
  create-tag:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          fetch-depth: 2

      - name: Check if version changed
        id: check_version
        run: |
          if git diff HEAD^ lerna.json | grep '+  "version": "'; then
            echo "version_changed=true" >> $GITHUB_OUTPUT
          fi

      - name: Create and push tag
        if: steps.check_version.outputs.version_changed == 'true'
        run: |
          VERSION=$(grep '^  "version":' lerna.json | sed 's/.*"version": "\([^"]*\)".*/\1/')
          TAG_NAME="v$VERSION"

          git config --global user.name "${{ github.actor }}"
          git config --global user.email "${{ github.actor }}@users.noreply.github.com"
          git tag -a "$TAG_NAME" -m "Release $TAG_NAME"
          git push origin "$TAG_NAME"