trigger-rock-build-on-changes.yml

name: Trigger new builds for updated ROCKS

on:
  schedule:
    - cron: "*/5 * * * *"
  push:
    branches:
      - trunk

jobs:
  check-for-updated-rock-projects:
    runs-on: ubuntu-latest
    outputs:
      triggers: ${{ steps.generate-build-matrix.outputs.triggers }}
      queue: ${{ steps.generate-build-matrix.outputs.queue }}
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-python@v4
        with:
          python-version: "3.10"
      # Fetch GH App token for performing org operation during the pipeline
      - name: Get token for Organization Workflow
        id: get_token
        uses: machine-learning-apps/actions-app-token@master
        with:
          APP_PEM: ${{ secrets.APP_PEM }}
          APP_ID: ${{ secrets.APP_ID }}
      - name: Generate matrix
        id: generate-build-matrix
        run: |
          pip install -r requirements.txt
          # Set defaults for outputs
          echo "::set-output name=triggers::[]"
          echo "::set-output name=queue::[]"
          if [ "${{ github.ref_name }}" == "main" ]
          then
            ./check-for-updated-rock-projects.py --token ${{ steps.get_token.outputs.app_token }} --workflow "${{ github.workflow }}"
          else
            ./check-for-updated-rock-projects.py --on-repo mock-rock --token ${{ steps.get_token.outputs.app_token }} --workflow "${{ github.workflow }}"
          fi

  build-rocks:
    needs: check-for-updated-rock-projects
    if: needs.check-for-updated-rock-projects.outputs.triggers != '[]'
    uses: ./.github/workflows/rocks-pipeline.yml
    with:
      matrix_combinations: ${{ needs.check-for-updated-rock-projects.outputs.triggers }}
      is_production: ${{ github.ref_name == 'main' && true || false }}
    secrets: inherit

  queue-rocks:
    needs: check-for-updated-rock-projects
    if: needs.check-for-updated-rock-projects.outputs.queue != '[]'
    name: Put ROCKs on build queue
    runs-on: ubuntu-latest
    strategy:
      matrix: 
        rock: ${{ fromJSON(needs.check-for-updated-rock-projects.outputs.queue) }}
    steps:
      # Fetch GH App token for performing org operation during the pipeline
      - name: Get token for Organization Workflow
        id: get_token
        uses: machine-learning-apps/actions-app-token@master
        with:
          APP_PEM: ${{ secrets.APP_PEM }}
          APP_ID: ${{ secrets.APP_ID }}
      # Announce to the ROCK commit that it is waiting for an existing build to finish
      - name: ROCK is in build queue
        uses: LouisBrunner/checks-action@v1.1.1
        continue-on-error: true 
        id: checks-queue
        with:
          token: ${{ steps.get_token.outputs.app_token }}
          name: ROCK is in build queue
          sha: ${{ matrix.rock.sha }}
          repo: ${{ matrix.rock.full_name }}
          conclusion: neutral
          output: |
            {"summary": "A ROCK build pipeline is currently running. This commit will be take in the next build pipeline execution. If new commits are pushed until then, they'll be all taken into the same ROCK build."}