release.yml

# Creates an annotated tag on pushes to master where package.json version
# has changed. Pairs with the manual release workflow for auto-tagging.
#
# Adapted from @ogis/icons publish.yml pattern.

name: Release

on:
  push:
    branches:
      - master

permissions:
  contents: write

jobs:
  tag:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Check if version changed
        id: version
        run: |
          if git diff HEAD~1 HEAD -- package.json | grep -q '"version"'; then
            echo "changed=true" >> $GITHUB_OUTPUT
          else
            echo "changed=false" >> $GITHUB_OUTPUT
          fi

      - name: Extract version from package.json
        id: extract
        if: steps.version.outputs.changed == 'true'
        run: |
          VERSION=v$(node -p "require('./package.json').version")
          echo "tag=$VERSION" >> $GITHUB_OUTPUT

      - name: Create annotated tag
        id: tag
        if: steps.version.outputs.changed == 'true'
        run: |
          git config user.name "github-actions"
          git config user.email "github-actions@github.com"
          TAG="${{ steps.extract.outputs.tag }}"
          git tag -a "$TAG" -m "Release $TAG"
          git push origin "$TAG"
          echo "tag=$TAG" >> $GITHUB_OUTPUT

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