create-release.yml

name: Create Release

on:
  workflow_dispatch:

jobs:
  create-release:
    if: github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Determine version bump
        id: bump
        run: |
          LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -z "$LATEST_TAG" ]; then
            SINCE=$(git rev-list --max-parents=0 HEAD)
            COMMITS=$(git log "$SINCE"..HEAD --pretty=format:"%s")
          else
            COMMITS=$(git log "$LATEST_TAG"..HEAD --pretty=format:"%s")
          fi

          BUMP="patch"
          if echo "$COMMITS" | grep -q "^feat:"; then
            BUMP="minor"
          fi
          if echo "$COMMITS" | grep -q "^breaking:"; then
            BUMP="major"
          fi

          echo "type=$BUMP" >> "$GITHUB_OUTPUT"

      - name: Compute new version
        id: version
        run: |
          CURRENT=$(grep '^pluginVersion=' gradle.properties | cut -d= -f2)
          IFS='.' read -r MAJOR MINOR PATCH <<< "$CURRENT"

          BUMP="${{ steps.bump.outputs.type }}"
          if [ "$BUMP" = "major" ]; then
            MAJOR=$((MAJOR + 1)); MINOR=0; PATCH=0
          elif [ "$BUMP" = "minor" ]; then
            MINOR=$((MINOR + 1)); PATCH=0
          else
            PATCH=$((PATCH + 1))
          fi

          NEW_VERSION="$MAJOR.$MINOR.$PATCH"
          echo "current=$CURRENT" >> "$GITHUB_OUTPUT"
          echo "new=$NEW_VERSION" >> "$GITHUB_OUTPUT"

      - name: Update gradle.properties
        run: |
          sed -i "s/^pluginVersion=.*/pluginVersion=${{ steps.version.outputs.new }}/" gradle.properties

      - name: Commit and tag
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add gradle.properties
          git commit -m "chore: bump version to ${{ steps.version.outputs.new }}"
          git tag "v${{ steps.version.outputs.new }}"
          git push origin main --tags