docker-build.yml

name: Build Home Assistant Addon

on:
  push:
    branches:
      - main
  release:
    types: [published]
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: recursive
          fetch-depth: 0

      - name: Bump dev version
        if: github.ref == 'refs/heads/main'
        id: bump_version
        run: |
          # Read current version from addon-dev config
          CURRENT_VERSION=$(grep '^version:' addon-dev/config.yaml | sed 's/version: "\(.*\)"/\1/')
          echo "Current version: $CURRENT_VERSION"

          # Generate YY.M.N version based on current date
          YEAR=$(date +%y)
          MONTH=$(date +%-m)
          EXPECTED_BASE="${YEAR}.${MONTH}"

          # Parse current version
          IFS='.' read -r CURRENT_YEAR CURRENT_MONTH CURRENT_RELEASE <<< "$CURRENT_VERSION"

          # If we're in the same year/month, increment release number
          if [[ "${CURRENT_YEAR}.${CURRENT_MONTH}" == "${EXPECTED_BASE}" ]]; then
            NEW_RELEASE=$((CURRENT_RELEASE + 1))
          else
            # New month/year, start at .1
            NEW_RELEASE=1
          fi

          NEW_VERSION="${EXPECTED_BASE}.${NEW_RELEASE}"
          echo "New version: $NEW_VERSION"

          # Update addon-dev/config.yaml
          sed -i "s/^version: .*/version: \"${NEW_VERSION}\"/" addon-dev/config.yaml

          # Output new version for later steps
          echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
          echo "VERSION=$NEW_VERSION" >> $GITHUB_ENV

      - name: Commit version bump
        if: github.ref == 'refs/heads/main'
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: "🤖 bump dev version to ${{ steps.bump_version.outputs.version }}"
          file_pattern: addon-dev/config.yaml
          commit_options: "--no-verify"
          commit_user_name: github-actions[bot]
          commit_user_email: github-actions[bot]@users.noreply.github.com

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

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

      - name: Determine Docker tags and config
        id: tags
        run: |
          # Convert repository name to lowercase for Docker
          IMAGE_NAME_LOWER=$(echo "${{ env.IMAGE_NAME }}" | tr '[:upper:]' '[:lower:]')

          if [[ "${{ github.event_name }}" == "release" ]]; then
            # Extract version from release tag (remove 'v' prefix if present)
            VERSION="${{ github.event.release.tag_name }}"
            VERSION=${VERSION#v}
            echo "tags=${{ env.REGISTRY }}/${IMAGE_NAME_LOWER}:${VERSION},${{ env.REGISTRY }}/${IMAGE_NAME_LOWER}:latest" >> $GITHUB_OUTPUT
            echo "config_dir=addon" >> $GITHUB_OUTPUT

            # Update addon/config.yaml with the release version
            sed -i "s/^version: .*/version: \"${VERSION}\"/" addon/config.yaml
            echo "Building production addon version ${VERSION}"
          elif [[ "${{ github.ref }}" == "refs/heads/main" ]]; then
            # Use the bumped version from the previous step
            DEV_VERSION="${{ env.VERSION }}"
            echo "tags=${{ env.REGISTRY }}/${IMAGE_NAME_LOWER}:${DEV_VERSION},${{ env.REGISTRY }}/${IMAGE_NAME_LOWER}:dev" >> $GITHUB_OUTPUT
            echo "config_dir=addon-dev" >> $GITHUB_OUTPUT
            echo "Building dev addon version ${DEV_VERSION}"
          else
            echo "tags=${{ env.REGISTRY }}/${IMAGE_NAME_LOWER}:${{ github.sha }}" >> $GITHUB_OUTPUT
            echo "config_dir=addon-dev" >> $GITHUB_OUTPUT
            echo "Building dev addon (non-main branch)"
          fi

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.tags.outputs.tags }}
          cache-from: |
            type=gha
            type=registry,ref=${{ env.REGISTRY }}/${{ github.repository }}:buildcache
          cache-to: type=gha,mode=max