CI: add workflow to sync master to current automatically (#77) #15

	name: Sync master to current

	on:
	push:
	branches:
	- master

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref \|\| github.run_id }}
	cancel-in-progress: true

	permissions:
	pull-requests: write
	contents: write

	jobs:
	pr:
	name: Submit PR
	runs-on: ubuntu-latest
	env:
	target_branch: current
	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ env.target_branch }}
	fetch-depth: 0
	- name: Create PR
	run: \|
	git config user.name "github-actions[bot]"
	git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
	git branch ${BRANCH_NAME} -f
	git checkout ${BRANCH_NAME}
	git config --global merge.ours.driver true
	# sync .gitattributes first
	git checkout origin/${{ github.ref_name }} -- .gitattributes
	git add .gitattributes
	if git diff-index --quiet HEAD --; then
	echo "No changes to commit."
	else
	git commit -m "Sync .gitattributes from ${{ github.ref_name }}"
	fi
	git merge origin/${{ github.ref_name }}
	git push origin ${BRANCH_NAME} --force
	PR_URL="$(gh pr list --head "${BRANCH_NAME}" --state open --json url --jq .[].url)"
	if [[ -n "${PR_URL}" ]]; then
	echo "PR already exists -> ${PR_URL}"
	exit 0
	else
	gh pr create --title "Sync ${{ github.ref_name }} to ${{ env.target_branch }}" --body "Generated by GitHub Actions" --base ${{ env.target_branch }} -r njzjz -a njzjz
	fi
	env:
	GH_TOKEN: ${{ github.token }}
	BRANCH_NAME: sync-branches/${{ github.ref_name }}-to-${{ env.target_branch }}

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