name: 'Build Images for Review'
on:
  pull_request:
    paths:
      - .github/actions/**
      - .github/workflows/image-build-review.yaml
      - scripts/build/**
      - docker/**

jobs:
  changes:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: read
    outputs:
      apps: ${{ steps.filter.outputs.changes }}
    steps:
      - uses: actions/checkout@v4
        with:
          persist-credentials: false
      - uses: dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            klipper:
              - .github/actions/**
              - .github/workflows/image-build-review.yaml
              - scripts/build/**
              - docker/klipper/**
            klipperscreen:
              - .github/actions/**
              - .github/workflows/image-build-review.yaml
              - scripts/build/**
              - docker/klipperscreen/**
            moonraker:
              - .github/actions/**
              - .github/workflows/image-build-review.yaml
              - scripts/build/**
              - docker/moonraker/**
            ustreamer:
              - .github/actions/**
              - .github/workflows/image-build-review.yaml
              - scripts/build/**
              - docker/ustreamer/**
  build:
    needs: changes
    if: ${{ needs.changes.outputs.apps != '' && toJson(fromJson(needs.changes.outputs.apps)) != '[]' }}
    strategy:
      fail-fast: false
      matrix:
        app: ${{ fromJSON(needs.changes.outputs.apps) }}
        platform:
          - linux/amd64
          - linux/arm/v6
          - linux/arm/v7
          - linux/arm64/v8
    runs-on: ubuntu-24.04
    steps:
      - name: "[prind] checkout"
        uses: actions/checkout@v4
        with:
          persist-credentials: false
      - name: "[prind] set up build environment"
        uses: ./.github/actions/image-build-common
      - name: "[prind] build"
        run: |
          python3 scripts/build/build.py ${{ matrix.app }} \
            --backfill 0 \
            --platform ${{ matrix.platform }} \
            --force