on:
  schedule:
    - cron:  '*/5 * * * *'
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: arduino/report-size-deltas@v1

on: [push, pull_request]
jobs:
  compile:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: arduino/compile-sketches@v1
        with:
          enable-deltas-report: true
      - uses: actions/upload-artifact@v2
        with:
          name: sketches-reports
          path: sketches-reports

on: [push, pull_request]
env:
  # It's convenient to set variables for values used multiple times in the workflow
  SKETCHES_REPORTS_PATH: sketches-reports
  SKETCHES_REPORTS_ARTIFACT_NAME: sketches-reports
jobs:
  compile:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        fqbn:
          - "arduino:avr:uno"
          - "arduino:samd:mkrzero"
    steps:
      - uses: actions/checkout@v2

      - uses: arduino/compile-sketches@v1
        with:
          fqbn: ${{ matrix.fqbn }}
          enable-deltas-report: true
          sketches-report-path: ${{ env.SKETCHES_REPORTS_PATH }}

      # This step is needed to pass the size data to the report job 
      - name: Upload sketches report to workflow artifact
        uses: actions/upload-artifact@v2
        with:
          name: ${{ env.SKETCHES_REPORTS_ARTIFACT_NAME }}
          path: ${{ env.SKETCHES_REPORTS_PATH }}

  # When using a matrix to compile for multiple boards, it's necessary to use a separate job for the deltas report
  report:
    needs: compile  # Wait for the compile job to finish to get the data for the report
    if: github.event_name == 'pull_request' # Only run the job when the workflow is triggered by a pull request
    runs-on: ubuntu-latest
    steps:
      # This step is needed to get the size data produced by the compile jobs
      - name: Download sketches reports artifact
        uses: actions/download-artifact@v2
        with:
          name: ${{ env.SKETCHES_REPORTS_ARTIFACT_NAME }}
          path: ${{ env.SKETCHES_REPORTS_PATH }}

      - uses: arduino/report-size-deltas@v1
        with:
          sketches-reports-source: ${{ env.SKETCHES_REPORTS_PATH }}