auto-release.yml

name: auto-release

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

permissions:
  contents: write
  actions: write

concurrency:
  group: auto-release-${{ github.ref }}
  cancel-in-progress: false

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

      - name: Resolve tag from package.json
        id: meta
        shell: bash
        run: |
          VERSION=$(node -e "const fs=require('node:fs'); const p=JSON.parse(fs.readFileSync('package.json','utf8')); process.stdout.write(String(p.version||''));")
          if [[ -z "$VERSION" ]]; then
            echo "package.json version is empty" >&2
            exit 1
          fi

          TAG="v${VERSION}"
          echo "tag=$TAG" >> "$GITHUB_OUTPUT"

      - name: Create and push tag (if missing)
        id: tagger
        shell: bash
        env:
          TAG: ${{ steps.meta.outputs.tag }}
        run: |
          CREATED=0
          if git ls-remote --tags origin "refs/tags/${TAG}" | grep -q "refs/tags/${TAG}$"; then
            echo "Tag already exists: ${TAG}"
          else
            GIT_AUTHOR_NAME="github-actions[bot]" \
            GIT_AUTHOR_EMAIL="41898282+github-actions[bot]@users.noreply.github.com" \
            GIT_COMMITTER_NAME="github-actions[bot]" \
            GIT_COMMITTER_EMAIL="41898282+github-actions[bot]@users.noreply.github.com" \
            git tag -a "${TAG}" -m "Release ${TAG}"
            git push origin "${TAG}"
            CREATED=1
          fi

          echo "created=${CREATED}" >> "$GITHUB_OUTPUT"

      - name: Dispatch release workflow
        if: steps.tagger.outputs.created == '1'
        shell: bash
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          TAG: ${{ steps.meta.outputs.tag }}
        run: |
          gh workflow run release --field tag="$TAG"