automerge.yml

name: automerge

on:
  schedule:
    - cron: 0 * * * *
  pull_request_review:
    types:
      - submitted
  pull_request_target:
    types:
      - opened
      - synchronize
      - reopened
      - edited
      - labeled
      - unlabeled
      - ready_for_review
  workflow_dispatch:
    inputs:
      pull-request:
        description: Pull Request Number
        required: false
      review:
        description: Review ID
        required: false

jobs:
  automerge:
    if: >
      github.event_name != 'workflow_run' || (
        github.event.workflow_run.event == 'pull_request_review' &&
        github.event.workflow_run.conclusion == 'success'
      )
    runs-on: ubuntu-latest
    steps:
      - name: Event
        run: |
          echo "${EVENT_NAME}"
          echo "${EVENT_JSON}"
        env:
          EVENT_NAME: ${{ github.event_name }}
          EVENT_JSON: ${{ toJSON(github.event) }}
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
        with:
          ref: main
      - uses: ./
        with:
          token: ${{ secrets.GH_TOKEN }}
          squash-commit-title: ${pull_request.title} (#${pull_request.number})
          squash-commit-message: '\n'
          do-not-merge-labels: never-merge
          required-labels: automerge
          pull-request: ${{ github.event.inputs.pull-request }}
          review: ${{ github.event.inputs.review }}
        if: github.event_name != 'pull_request_review'
      - name: Upload `event.json`
        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4
        if: github.event_name == 'pull_request_review'
        with:
          name: event.json
          path: ${{ github.event_path }}
          if-no-files-found: error
      - 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