Sync Upstream #59

	name: Sync Upstream

	on:
	schedule:
	- cron: "0 3 * * *"
	workflow_dispatch:

	permissions:
	contents: write

	jobs:
	sync:
	# 仅在 fork 仓库执行；主仓库没有“上游同步”需求
	if: github.repository != 'gqy20/IssueLab'
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	token: ${{ secrets.PAT_TOKEN \|\| github.token }}
	- name: Add upstream
	run: \|
	git remote add upstream https://github.com/gqy20/IssueLab.git \|\| true
	git fetch upstream
	- name: Merge upstream/main
	run: \|
	git checkout main
	git merge upstream/main --ff-only \|\| git merge upstream/main --no-edit
	- name: Push
	env:
	GH_PUSH_TOKEN: ${{ secrets.PAT_TOKEN }}
	run: \|
	if [ -z "${GH_PUSH_TOKEN}" ]; then
	echo "PAT_TOKEN is required for push in sync-upstream workflow." >&2
	exit 1
	fi
	git remote set-url origin "https://x-access-token:${GH_PUSH_TOKEN}@github.com/${{ github.repository }}.git"
	git push origin main

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