AutoMerger.yml

# This workflow automatically merges pull requests under certain
# conditions in Project Mu repos.
#
# Copyright (c) Microsoft Corporation.
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
# For more information, see:
# https://github.com/pascalgn/automerge-action

name: Auto Merge Pull Request Workflow

on:
  workflow_call:

jobs:
  bot_merge:
    name: Merge
    runs-on: ubuntu-latest

    permissions:
      contents: read
      pull-requests: write
      issues: write

    # The action cannot take multiple authors right now, so call with each author
    # separately.
    strategy:
      matrix:
        author: [ "dependabot[bot]", "uefibot" ]

    steps:
      - name: Auto Merge
        id: auto_merge
        uses: pascalgn/automerge-action@v0.16.4
        env:
          GITHUB_TOKEN: "${{ secrets.PROJECT_MU_BOT_TOKEN }}"
          MERGE_ERROR_FAIL: "false"     # Do not fail if an auto merge couldn't happen
          MERGE_FILTER_AUTHOR: "${{ matrix.author }}"
          MERGE_FORKS: "false"          # dependabot and uefibot come from local repo branches - forks not needed
          MERGE_LABELS: "!state:duplicate,!state:invalid,!state:needs-maintainer-feedback,!state:needs-submitter-info,!state:under-discussion,!state:wont-fix,!type:notes,!type:question"
          MERGE_METHOD: "squash"        # Default merge method squash (instead of "merge")
          MERGE_REMOVE_LABELS: = ""     # Do not remove any labels from a PR after merge
          MERGE_RETRIES: "180"          # Check if PR status checks pass up to 180 times
          MERGE_RETRY_SLEEP: "60000"    # Check if PR status checks are met every 60 secs (60 * 180 = check over 3 hrs)
          UPDATE_LABELS: ""             # Always update these PRs if needed to merge
          UPDATE_METHOD: "rebase"       # Default PR update method rebase (instead of "merge")
          UPDATE_RETRIES: "120"         # Check if an update is needed up to 120 times
          UPDATE_RETRY_SLEEP: "60000"   # Check if an update is needed every 30 secs (60 * 120 = check over 2 hrs)