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# 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:
# - main
jobs:
Merge:
if: github.repository == 'ultralytics/ultralytics'
runs-on: ubuntu-latest
steps:
- name: Checkout repository
uses: actions/checkout@v4
with:
fetch-depth: 0
ref: main
- uses: actions/setup-python@v5
with:
python-version: "3.11"
cache: "pip" # caching pip dependencies
- name: Install requirements
run: |
pip install pygithub
- name: Merge main into PRs
shell: python
run: |
from github import Github
import os
# Authenticate with the GitHub Token
g = Github(os.getenv('GITHUB_TOKEN'))
# Get the repository dynamically
repo = g.get_repo(os.getenv('GITHUB_REPOSITORY'))
# List all open pull requests
open_pulls = repo.get_pulls(state='open', sort='created')
for pr in open_pulls:
try:
# Compare PR head with main to see if it's behind
comparison = repo.compare(pr.base.ref, pr.head.ref) # ensure correct order of base and head
if comparison.behind_by > 0:
# Merge main into the PR branch
success = pr.update_branch()
assert success, "Branch update failed"
print(f"Merged 'main' into PR #{pr.number} ({pr.head.ref}) successfully.")
except Exception as e:
print(f"Could not merge 'main' into PR #{pr.number} ({pr.head.ref}): {e}")
env:
GITHUB_TOKEN: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
GITHUB_REPOSITORY: ${{ github.repository }}