automerge-run.yml

name: automerge-run

on:
  workflow_run:
    workflows:
      - automerge
    types:
      - completed

jobs:
  automerge-run:
    runs-on: ubuntu-latest
    if: >
      github.event.workflow_run.event == 'pull_request_review' &&
      github.event.workflow_run.conclusion == 'success'
    steps:
      - name: Event
        run: |
          echo "${EVENT_NAME}"
          echo "${EVENT_JSON}"
        env:
          EVENT_NAME: ${{ github.event_name }}
          EVENT_JSON: ${{ toJSON(github.event) }}
      - name: Download `event.json`
        id: download_event_json
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7
        with:
          script: |
            const artifacts = await github.rest.actions.listWorkflowRunArtifacts({
               ...context.repo,
               run_id: ${{ github.event.workflow_run.id }},
            })
            const matchArtifact = artifacts.data.artifacts.filter((artifact) => {
              return artifact.name == "event.json"
            })[0]
            const download = await github.rest.actions.downloadArtifact({
               ...context.repo,
               artifact_id: matchArtifact.id,
               archive_format: 'zip',
            });
            const fs = require('fs')
            fs.writeFileSync('${{ github.workspace }}/artifact.zip', Buffer.from(download.data))
        if: >
          github.event.workflow_run.event == 'pull_request_review' &&
          github.event.workflow_run.conclusion == 'success'
      - name: Extract `event.json`
        id: review_info
        run: |
          unzip artifact.zip

          echo "pull_request=$(jq -r .pull_request.number event.json)" >> "${GITHUB_OUTPUT}"
          echo "review=$(jq -r .review.id event.json)" >> "${GITHUB_OUTPUT}"
        if: steps.download_event_json.outcome == 'success'
      - name: Trigger workflow for review ${{ steps.review_info.outputs.review }} on pull request \#${{ steps.review_info.outputs.pull_request }}
        uses: benc-uk/workflow-dispatch@e2e5e9a103e331dad343f381a29e654aea3cf8fc
        with:
          workflow: automerge.yml
          inputs: >
            {
              "pull-request": "${{ steps.review_info.outputs.pull_request }}",
              "review": "${{ steps.review_info.outputs.review }}"
            }
        if: >
          steps.review_info.outputs.pull_request &&
          steps.review_info.outputs.review