auto-tag.yml

name: Auto Tag on Version Bump

on:
  push:
    branches:
      - master
    paths:
      - VERSION

jobs:
  tag-repo:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Check out repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: true  # Needed to push the tag

      - name: Get current version
        id: version
        run: |
          VERSION=$(cat VERSION)
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"

      - name: Check if tag already exists
        id: checktag
        env:
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          if git rev-parse "${VERSION}" >/dev/null 2>&1; then
            echo "skip=true" >> "$GITHUB_OUTPUT"
          else
            echo "skip=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Push tag
        if: steps.checktag.outputs.skip == 'false'
        env:
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git tag "${VERSION}"
          git push origin "${VERSION}"