---
# Ci code for building release artifacts.
#
# This workflow exists so we can require these checks to pass, but skip
# them on PRs that have nothing to do with the source code.
name: Build
on:
  pull_request: # PR checks only validate the build and generate artifacts for testing.
    paths-ignore: # This MUST be kept in-sync with the paths-ignore key for the build-dummy.yml workflow.
      - '**.c'
      - '**.cc'
      - '**.h'
      - '**.hh'
      - '**.in'
      - '!netdata.spec.in'
      - 'configure.ac'
      - 'netdata-installer.sh'
      - '**/Makefile*'
      - 'Makefile*'
      - '.github/workflows/build.yml'
      - '.github/scripts/build-static.sh'
      - '.github/scripts/get-static-cache-key.sh'
      - '.github/scripts/gen-matrix-build.py'
      - '.github/scripts/run-updater-check.sh'
      - 'build/**'
      - 'packaging/makeself/**'
      - 'packaging/installer/**'
      - 'aclk/aclk-schemas/'
      - 'ml/dlib/'
      - 'mqtt_websockets'
      - 'web/server/h2o/libh2o'
      - '!**.md'
concurrency: # This keeps multiple instances of the job from running concurrently for the same ref and event type.
  group: build-${{ github.ref }}-${{ github.event_name }}
  cancel-in-progress: true
jobs:
  build-dist: # Build the distribution tarball and store it as an artifact.
    name: Build Distribution Tarball
    runs-on: ubuntu-latest
    steps:
      - run: echo 'NOT REQUIRED'

  build-static: # Build the static binary archives, and store them as artifacts.
    name: Build Static
    runs-on: ubuntu-latest
    strategy:
      matrix:
        arch:
          - x86_64
          - armv7l
          - aarch64
          - ppc64le
    steps:
      - run: echo 'NOT REQUIRED'

  matrix: # Generate the shared build matrix for our build tests.
    name: Prepare Build Matrix
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - name: Checkout
        id: checkout
        uses: actions/checkout@v3
      - name: Prepare tools
        id: prepare
        run: |
          sudo apt-get update && sudo apt-get install -y python3-ruamel.yaml
      - name: Read build matrix
        id: set-matrix
        run: |
          matrix="$(.github/scripts/gen-matrix-build.py)"
          echo "Generated matrix: ${matrix}"
          echo "matrix=${matrix}" >> "${GITHUB_OUTPUT}"

  prepare-test-images: # Prepare the test environments for our build checks. This also checks dependency handling code for each tested environment.
    name: Prepare Test Environments
    runs-on: ubuntu-latest
    needs:
      - matrix
    env:
      RETRY_DELAY: 300
    strategy:
      fail-fast: false
      matrix: ${{ fromJson(needs.matrix.outputs.matrix) }}
    steps:
      - run: echo 'NOT REQUIRED'

  source-build: # Test various source build arrangements.
    name: Test Source Build
    runs-on: ubuntu-latest
    needs:
      - matrix
    strategy:
      fail-fast: false
      matrix: ${{ fromJson(needs.matrix.outputs.matrix) }}
    steps:
      - run: echo 'NOT REQUIRED'

  updater-check: # Test the generated dist archive using the updater code.
    name: Test Generated Distfile and Updater Code
    runs-on: ubuntu-latest
    needs:
      - matrix
    strategy:
      fail-fast: false
      matrix: ${{ fromJson(needs.matrix.outputs.matrix) }}
    steps:
      - run: echo 'NOT REQUIRED'

  prepare-upload: # Consolidate the artifacts for uploading or releasing.
    name: Prepare Artifacts
    runs-on: ubuntu-latest
    steps:
      - run: echo 'NOT REQUIRED'

  artifact-verification-dist: # Verify the regular installer works with the consolidated artifacts.
    name: Test Consolidated Artifacts (Source)
    runs-on: ubuntu-latest
    steps:
      - run: echo 'NOT REQUIRED'

  artifact-verification-static: # Verify the static installer works with the consolidated artifacts.
    name: Test Consolidated Artifacts (Static)
    runs-on: ubuntu-latest
    steps:
      - run: echo 'NOT REQUIRED'