Sync: main -> v2 #23

	# 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."

Provide feedback