release.yml

name: Release

on:
  workflow_run:
    workflows: [Lint]
    types: [completed]
    branches: [main]

permissions:
  contents: write

jobs:
  release:
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event.workflow_run.head_sha }}
          fetch-depth: 0

      - name: Read version from package.json
        id: version
        shell: bash
        run: |
          v=$(node -p "require('./package.json').version")
          if [[ -z "$v" || "$v" == "undefined" ]]; then
            echo "::error::Could not read .version from package.json"; exit 1
          fi
          echo "value=$v" >> "$GITHUB_OUTPUT"
          echo "tag=v$v" >> "$GITHUB_OUTPUT"

      - name: Check whether the tag already exists
        id: check
        shell: bash
        run: |
          tag="${{ steps.version.outputs.tag }}"
          if git rev-parse --verify "refs/tags/$tag" >/dev/null 2>&1; then
            echo "::notice::Tag $tag already exists; skipping release."
            echo "exists=true" >> "$GITHUB_OUTPUT"
          else
            echo "exists=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Create annotated tag
        if: steps.check.outputs.exists == 'false'
        shell: bash
        env:
          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
        run: |
          tag="${{ steps.version.outputs.tag }}"
          git tag -a "$tag" -m "Release $tag"
          git push origin "$tag"

      - name: Create GitHub Release
        if: steps.check.outputs.exists == 'false'
        env:
          GH_TOKEN: ${{ github.token }}
        shell: bash
        run: |
          tag="${{ steps.version.outputs.tag }}"
          gh release create "$tag" \
            --title "$tag" \
            --generate-notes \
            --verify-tag