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# Ultralytics YOLO 🚀, AGPL-3.0 license |
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# Automatically merges repository 'main' branch into all open PRs to keep them up-to-date |
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# Action runs on updates to main branch so when one PR merges to main all others update |
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name: Merge main into PRs |
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on: |
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workflow_dispatch: |
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# push: |
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# branches: |
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# - ${{ github.event.repository.default_branch }} |
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jobs: |
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Merge: |
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if: github.repository == 'ultralytics/ultralytics' |
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runs-on: ubuntu-latest |
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steps: |
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- name: Checkout repository |
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uses: actions/checkout@v4 |
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with: |
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fetch-depth: 0 |
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- uses: actions/setup-python@v5 |
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with: |
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python-version: "3.x" |
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cache: "pip" |
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- name: Install requirements |
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run: | |
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pip install pygithub |
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- name: Merge default branch into PRs |
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shell: python |
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run: | |
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from github import Github |
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import os |
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import time |
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g = Github(os.getenv('GITHUB_TOKEN')) |
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repo = g.get_repo(os.getenv('GITHUB_REPOSITORY')) |
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# Fetch the default branch name |
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default_branch_name = repo.default_branch |
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default_branch = repo.get_branch(default_branch_name) |
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# Initialize counters |
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updated_branches = 0 |
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up_to_date_branches = 0 |
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errors = 0 |
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for pr in repo.get_pulls(state='open', sort='created'): |
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try: |
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# Label PRs as popular for positive reactions |
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reactions = pr.as_issue().get_reactions() |
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if sum([(1 if r.content not in {"-1", "confused"} else 0) for r in reactions]) > 5: |
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pr.set_labels(*("popular",) + tuple(l.name for l in pr.get_labels())) |
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# Get full names for repositories and branches |
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base_repo_name = repo.full_name |
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head_repo_name = pr.head.repo.full_name |
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base_branch_name = pr.base.ref |
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head_branch_name = pr.head.ref |
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# Check if PR is behind the default branch |
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comparison = repo.compare(default_branch.commit.sha, pr.head.sha) |
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if comparison.behind_by > 0: |
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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).") |
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# Attempt to update the branch |
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try: |
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success = pr.update_branch() |
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assert success, "Branch update failed" |
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print(f"✅ Successfully merged '{default_branch_name}' into PR #{pr.number} ({head_repo_name}:{head_branch_name} -> {base_repo_name}:{base_branch_name}).") |
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updated_branches += 1 |
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time.sleep(10) # rate limit merges |
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except Exception as update_error: |
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print(f"❌ Could not update PR #{pr.number} ({head_repo_name}:{head_branch_name} -> {base_repo_name}:{base_branch_name}): {update_error}") |
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errors += 1 |
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else: |
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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.") |
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up_to_date_branches += 1 |
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except Exception as e: |
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print(f"❌ Could not process PR #{pr.number}: {e}") |
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errors += 1 |
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# Print summary |
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print("\n\nSummary:") |
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print(f"Branches updated: {updated_branches}") |
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print(f"Branches already up-to-date: {up_to_date_branches}") |
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print(f"Total errors: {errors}") |
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env: |
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GITHUB_TOKEN: ${{ secrets.PERSONAL_ACCESS_TOKEN || secrets.GITHUB_TOKEN }} |
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GITHUB_REPOSITORY: ${{ github.repository }}
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