Sync with ppy:master #3

	name: Sync with ppy:master

	on:
	workflow_dispatch:
	inputs:
	backup:
	default: false
	description: Create a backup of the selected branch
	required: true
	type: boolean
	overwrite:
	default: false
	description: Overwrite all history of the selected branch
	required: true
	type: boolean

	jobs:
	sync:
	name: Sync with ppy:master
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Update branches
	run: \|
	branch_name="$(git branch --show-current)"
	backup_branch_name="$branch_name-backup"

	if ${{ inputs.backup }}; then
	printf '::notice::Backing up "%s" to "%s"\n' "$branch_name" "$backup_branch_name"
	git push origin "HEAD:$backup_branch_name"
	fi

	git remote add upstream https://github.com/ppy/osu-wiki
	git fetch upstream master

	if ${{ inputs.overwrite }}; then
	printf '::warning::Overwriting "%s"\n' "$branch_name"
	git push --force origin "FETCH_HEAD:$branch_name"
	else
	printf '::notice::Merging into "%s"\n' "$branch_name"
	git config user.name '${{ github.actor }}'
	git config user.email '${{ github.actor_id }}+${{ github.actor }}@users.noreply.github.com'
	git merge -m 'Merge master' FETCH_HEAD
	git push origin "$branch_name"
	fi

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