release.yml

name: Release and Publish

on:
  push:
    branches:
      - main

jobs:
  release:
    name: Release and Publish
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Set up Helm
        uses: azure/setup-helm@v4.2.0

      - name: Calculate next version
        id: version
        run: |
          # Get the latest tag
          latest_tag=$(git describe --tags `git rev-list --tags --max-count=1`)
          echo "Latest tag: $latest_tag"

          # Extract current version
          current_version=${latest_tag#v}
          echo "Current version: $current_version"

          # Default to patch bump unless the commit message specifies "feat" or "BREAKING CHANGE"
          bump="patch"
          if git log -1 --pretty=%B | grep -iq "feat"; then
            bump="minor"
          elif git log -1 --pretty=%B | grep -iq "BREAKING CHANGE"; then
            bump="major"
          fi

          # Calculate the new version
          IFS='.' read -r major minor patch <<< "$current_version"
          case $bump in
            patch) patch=$((patch + 1)) ;;
            minor) minor=$((minor + 1)); patch=0 ;;
            major) major=$((major + 1)); minor=0; patch=0 ;;
          esac
          new_version="$major.$minor.$patch"
          echo "New version: $new_version"
          echo "new_version=$new_version" >> $GITHUB_ENV

      - name: Configure git
        run: |
          git config --local user.name "GitHub Actions"
          git config --local user.email "actions@github.com"

      - name: Update Helm Chart version
        run: |
          sed -i "s/^version:.*/version: ${{ env.new_version }}/" ./charts/homer-operator/Chart.yaml

      - name: Run helm-docs
        uses: losisin/helm-docs-github-action@v1

      - name: Commit and push Helm chart changes
        run: |
          git add ./charts/homer-operator/
          git commit -m "[skip actions] Update Helm chart docs and version to ${{ env.new_version }}"
          git push origin main

      - name: Tag the release
        run: |
          git tag -a ${{ env.new_version }} -m "Release ${{ env.new_version }}"
          git push origin ${{ env.new_version }}

      - name: Log in to GitHub Container Registry for Docker
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Log in to GitHub Container Registry for Helm
        run: |
          echo ${{ secrets.GITHUB_TOKEN }} | helm registry login ghcr.io --username ${{ github.actor }} --password-stdin

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: |
            ghcr.io/${{ github.repository_owner }}/homer-operator:${{ env.new_version }}
            ghcr.io/${{ github.repository_owner }}/homer-operator:${{ github.sha }}
            ghcr.io/${{ github.repository_owner }}/homer-operator:latest

      - name: Package and push Helm chart
        run: |
          helm package ./charts/homer-operator -d ./artifacts
          CHART_NAME=$(ls ./artifacts | grep .tgz)
          helm push ./artifacts/$CHART_NAME oci://ghcr.io/${{ github.repository_owner }}/homer-operator

      - name: Update Helm repository index
        run: |
          helm repo index artifacts --url https://arch-anes.github.io/homer-operator
      
      - name: Deploy to GitHub Pages
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: artifacts
          publish_branch: gh-pages