Auto Sync with Upstream #120

	name: Auto Sync with Upstream

	on:
	schedule:
	- cron: '0 0 * * *' # daily
	workflow_dispatch:

	env:
	SYNC_BRANCH: master # Change to main if your repo uses main

	jobs:
	sync:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Set up git user
	run: \|
	git config --global user.name 'github-actions[bot]'
	git config --global user.email 'github-actions[bot]@users.noreply.github.com'

	- name: Add upstream remote and fetch
	run: \|
	git remote \| grep -q upstream \|\| git remote add upstream https://github.com/jhlywa/chess.js.git
	git fetch upstream

	- name: Show pre-merge status
	run: git status

	- name: Merge upstream changes
	run: \|
	git checkout ${{ env.SYNC_BRANCH }}
	git merge upstream/${{ env.SYNC_BRANCH }} --allow-unrelated-histories \|\| true

	- name: Show post-merge status
	run: git status

	- name: Push changes if any
	env:
	GH_TOKEN: ${{ secrets.AUTO_SYNC }}
	run: \|
	if [ -n "$(git status --porcelain)" ]; then
	git push https://x-access-token:${GH_TOKEN}@github.com/${{ github.repository }} ${{ env.SYNC_BRANCH }}
	else
	echo "No changes to push."
	fi

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