ci.yml

on:
  push:
    branches:
      - "*"
  pull_request:
  merge_group:

name: CI build
jobs:
  build:
    name: CI build
    runs-on: ubuntu-latest
    env:
      # Use docker.io for Docker Hub if empty
      REGISTRY: ghcr.io
      # github.repository as <account>/<repo>
      IMAGE_NAME: ${{ github.repository }}
    permissions:
      contents: read
      packages: write
    steps:

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

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: ^1.20

      - name: Build binaries
        run: go build -o rittal-exporter -ldflags "-s -w" -v .
        env:
          CGO_ENABLED: 0

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v3
      - name: Log into registry ${{ env.REGISTRY }}
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=schedule
            type=ref,event=branch
            type=ref,event=tag
            type=ref,event=pr
            type=raw,value={{branch}}-{{sha}}-{{date 'X'}},enable=${{ github.event_name != 'pull_request' }}
      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' && github.event_name != 'merge_group' && github.actor != 'renovate[bot]'}}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}