_dispatcher.yml

# This file is the dispatcher for the rest of the workflows that have complex dependencies.
# The `cli.yml` doesn't need to be dispatched via this dispatcher because it is only run manually.

name: Dispatcher

env:
  GITHUB_OUTPUT: ""

on:
  push:
    branches:
      - main
    paths:
      - "docker/**"
      - ".github/**"
      - "!.github/workflows/cli.yml"
      - "!docker/psibase.Dockerfile"
      - "!docker/psinode.Dockerfile"
  pull_request:
    types: [opened, synchronize, reopened]
    paths:
      - "docker/**"
      - ".github/**"
      - "!.github/workflows/cli.yml"
      - "!docker/psibase.Dockerfile"
      - "!docker/psinode.Dockerfile"

jobs:
  determine-actions:
    name: Set up the dispatching variables
    runs-on: ubuntu-latest
    outputs:
      run_tc: ${{ steps.schedule-builders.outputs.run_tc }}
      run_2004: ${{ steps.schedule-builders.outputs.run_2004 }}
      run_2204: ${{ steps.schedule-builders.outputs.run_2204 }}
      run_contrib: ${{ steps.schedule-builders.outputs.run_contrib }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          submodules: false
          fetch-depth: 0

      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v42

      - name: (Debug) Print changed files
        env:
          ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
        run: |
          for file in $ALL_CHANGED_FILES; do
            echo $file
          done

      - name: Determine what to dispatch
        id: schedule-builders
        env:
          ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
        run: |
          necessary_jobs=$(./.github/scripts/check-patterns.sh "$ALL_CHANGED_FILES")  
          read -r run_tc run_2004 run_2204 run_contrib <<< "$output"
          echo "run_tc=${run_tc}" >> $GITHUB_OUTPUT
          echo "run_2004=${run_2004}" >> $GITHUB_OUTPUT
          echo "run_2204=${run_2204}" >> $GITHUB_OUTPUT
          echo "run_contrib=${run_contrib}" >> $GITHUB_OUTPUT

  build-tool-config:
    name: "Build tool config"
    needs: determine-actions
    if: ${{ needs.determine-actions.outputs.run_tc == '1' }}
    uses: ./.github/workflows/tool-config.yml
    with:
      is_pr: ${{ github.event_name == 'pull_request' }}

  build-2004:
    name: "Build 20.04 builder"
    needs: determine-actions
    if: ${{ needs.determine-actions.outputs.run_2004 == '1' }}
    uses: ./.github/workflows/builder-ubuntu.yml
    with:
      is_pr: ${{ github.event_name == 'pull_request' }}
      ubuntu_version: "2004"

  build-2204:
    name: "Build 22.04 builder"
    needs: determine-actions
    if: ${{ needs.determine-actions.outputs.run_2204 == '1' }}
    uses: ./.github/workflows/builder-ubuntu.yml
    with:
      is_pr: ${{ github.event_name == 'pull_request' }}
      ubuntu_version: "2204"

  build-contributor:
    name: "Build contributor"
    needs: [determine-actions, build-tool-config, build-2204]
    if: ${{ needs.determine-actions.outputs.run_contrib == '1' }}
    uses: ./.github/workflows/contributor.yml
    with:
      is_pr: ${{ github.event_name == 'pull_request' }}
      is_local_tools: ${{ needs.build-tool-config.result == 'success' && github.event_name == 'pull_request'}} 
      is_local_base: ${{ needs.build-2204.result == 'success' && github.event_name == 'pull_request'}}