# Ultralytics YOLO 🚀, AGPL-3.0 license # Automatically merges repository 'main' branch into all open PRs to keep them up-to-date # Action runs on updates to main branch so when one PR merges to main all others update name: Merge main into PRs on: workflow_dispatch: # push: # branches: # - ${{ github.event.repository.default_branch }} jobs: Merge: if: github.repository == 'ultralytics/ultralytics' runs-on: ubuntu-latest steps: - name: Checkout repository uses: actions/checkout@v4 with: fetch-depth: 0 - uses: actions/setup-python@v5 with: python-version: "3.x" cache: "pip" - name: Install requirements run: | pip install pygithub - name: Merge default branch into PRs shell: python run: | from github import Github import os import time g = Github("${{ secrets._GITHUB_TOKEN }}") repo = g.get_repo("${{ github.repository }}") # Fetch the default branch name default_branch_name = repo.default_branch default_branch = repo.get_branch(default_branch_name) # Initialize counters updated_branches = 0 up_to_date_branches = 0 errors = 0 for pr in repo.get_pulls(state='open', sort='created'): try: # Label PRs as popular for positive reactions reactions = pr.as_issue().get_reactions() if sum([(1 if r.content not in {"-1", "confused"} else 0) for r in reactions]) > 5: pr.set_labels(*("popular",) + tuple(l.name for l in pr.get_labels())) # Get full names for repositories and branches base_repo_name = repo.full_name head_repo_name = pr.head.repo.full_name base_branch_name = pr.base.ref head_branch_name = pr.head.ref # Check if PR is behind the default branch comparison = repo.compare(default_branch.commit.sha, pr.head.sha) if comparison.behind_by > 0: print(f"⚠️ PR #{pr.number} ({head_repo_name}:{head_branch_name} -> {base_repo_name}:{base_branch_name}) is behind {default_branch_name} by {comparison.behind_by} commit(s).") # Attempt to update the branch try: success = pr.update_branch() assert success, "Branch update failed" print(f"✅ Successfully merged '{default_branch_name}' into PR #{pr.number} ({head_repo_name}:{head_branch_name} -> {base_repo_name}:{base_branch_name}).") updated_branches += 1 time.sleep(10) # rate limit merges except Exception as update_error: print(f"❌ Could not update PR #{pr.number} ({head_repo_name}:{head_branch_name} -> {base_repo_name}:{base_branch_name}): {update_error}") errors += 1 else: print(f"✅ PR #{pr.number} ({head_repo_name}:{head_branch_name} -> {base_repo_name}:{base_branch_name}) is already up to date with {default_branch_name}, no merge required.") up_to_date_branches += 1 except Exception as e: print(f"❌ Could not process PR #{pr.number}: {e}") errors += 1 # Print summary print("\n\nSummary:") print(f"Branches updated: {updated_branches}") print(f"Branches already up-to-date: {up_to_date_branches}") print(f"Total errors: {errors}")