spread.yaml

name: Spread tests for source
on:
  pull_request:
  push:
    branches:
      - main
  schedule:
    - cron: "0 0 */2 * *"

jobs:
  snap-build:
    runs-on: ubuntu-24.04
    outputs:
      source-files: ${{ steps.filter.outputs.source-files }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0
      - name: Check which files changed
        id: filter
        uses: dorny/paths-filter@fbd0ab8f3e69293af611ebaee6363fc25e6d187d # v4.0.1
        with:
          # Combine multiple negation checks into a union (¬A ∧ ¬B ∧ ¬C), because individual entries are checked independently (A ∨ B ∨ C).
          # If we ever need to filter only for docs, glob 'docs/**/*' and '**/*.md'
          filters: |
            source-files:
              - '!({docs/**,*.md,**/*.md,.readthedocs.yaml})'
      - name: Build snap
        id: rockcraft
        uses: canonical/action-build@v1
        if: ${{ steps.filter.outputs.source-files == 'true' || github.event_name == 'schedule' }}
      - name: Upload snap artifact
        uses: actions/upload-artifact@v7
        if: ${{ steps.filter.outputs.source-files == 'true' || github.event_name == 'schedule' }}
        with:
          name: snap
          path: ${{ steps.rockcraft.outputs.snap }}

  source-spread-tests:
    runs-on: [self-hosted, spread-installed]
    needs: [snap-build]
    if: ${{ needs.snap-build.outputs.source-files == 'true' || github.event_name == 'schedule' }}

    steps:
      - name: Cleanup job workspace
        run: |
          rm -rf "${{ github.workspace }}"
          mkdir "${{ github.workspace }}"
      - name: Checkout rockcraft
        uses: actions/checkout@v6
        with:
          fetch-depth: 0
          submodules: true
      - name: Download snap artifact
        uses: actions/download-artifact@v8
        with:
          name: snap
          path: tests

      - name: Run Ubuntu Pro spread tests
        env:
          UBUNTU_PRO_TOKEN: ${{ secrets.UBUNTU_PRO_TOKEN }}
        run: |
          if [ -z "$UBUNTU_PRO_TOKEN" ]; then
            if [ "${{ github.event.pull_request.head.repo.full_name }}" == "canonical/rockcraft" ]; then
              echo "Error: UBUNTU_PRO_TOKEN is not set."
              exit 1
            else
              echo "Warning: UBUNTU_PRO_TOKEN is not set. Skipping Pro tests"
              exit 0
            fi
          fi
          spread google:tests/spread/pro/

      - name: Run source spread tests
        run: |
          spread google:...tests...

      - name: Discard spread workers
        if: always()
        run: |
          shopt -s nullglob
          for r in .spread-reuse.*.yaml; do
            spread -discard -reuse-pid="$(echo "$r" | grep -o -E '[0-9]+')"
          done