automerge.yml

name: Dependabot auto-merge
on: pull_request

permissions:
  pull-requests: write
  contents: write

jobs:
  dependabot:
    runs-on: ubuntu-latest
    if: ${{ github.actor == 'dependabot[bot]' }}
    steps:
      - name: Enable auto-merge for Dependabot PRs
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
        run: |
          function get_pending_jobs() {
            gh pr view "$PR_URL" --json statusCheckRollup --jq '.statusCheckRollup | map(select(.name != "dependabot")) | map(select(.status != "COMPLETED")).[]'
          }

          function get_failed_jobs() {
            gh pr view "$PR_URL" --json statusCheckRollup --jq '.statusCheckRollup | map(select(.name != "dependabot")) | map(select(.conclusion != "SUCCESS")).[]'
          }

          function wait_until_completed() {
            while [[ $(get_pending_jobs) ]]
            do
              sleep 5
            done
          }

          function fail_if_unsuccessful() {
            if [[ $(get_failed_jobs) ]]; then
              echo "Some jobs failed, unable to automerge"
              exit 1
            fi
          }

          function auto_merge() {
            gh pr merge --auto --rebase "$PR_URL"
          }

          wait_until_completed && \
          fail_if_unsuccessful && \
          auto_merge