# Automatically creates a PR to merge main (v1) into v2 to keep v2 up to date.

# The oncall is responsible for reviewing and merging the sync PR.

name: "Sync: main -> v2"

on:

schedule:

- cron: '0 6 * * *' # Daily at 6am UTC

workflow_dispatch:

permissions:

contents: write

pull-requests: write

jobs:

sync:

runs-on: ubuntu-latest

steps:

- uses: actions/checkout@v6

with:

ref: v2

fetch-depth: 0

token: ${{ secrets.RELEASE_PAT }}

- name: Check for new commits on main

id: check

run: |

git fetch origin main

BEHIND=$(git rev-list --count HEAD..origin/main)

echo "behind=$BEHIND" >> $GITHUB_OUTPUT

if [ "$BEHIND" -eq 0 ]; then

echo "v2 is up to date with main, nothing to sync"

else

echo "v2 is $BEHIND commit(s) behind main"

fi

- name: Check for existing sync PR

if: steps.check.outputs.behind != '0'

id: existing

env:

GH_TOKEN: ${{ github.token }}

run: |

PR=$(gh pr list --base v2 --head main --state open --json number --jq '.[0].number // empty')

if [ -n "$PR" ]; then

echo "Sync PR #$PR already exists, skipping"

echo "exists=true" >> $GITHUB_OUTPUT

else

echo "exists=false" >> $GITHUB_OUTPUT

fi

- name: Create sync PR

if: steps.check.outputs.behind != '0' && steps.existing.outputs.exists == 'false'

env:

GH_TOKEN: ${{ secrets.RELEASE_PAT }}

run: |

gh pr create \

--base v2 \

--head main \

--title "chore: sync main -> v2" \

--body "Automated sync of v1 changes from main into v2. The oncall is responsible for reviewing and merging this PR. Resolve conflicts in favor of the v2 implementation."