[ci, sival] Create a linter for the testplans #4017

	# Copyright lowRISC contributors (OpenTitan project).
	# Licensed under the Apache License, Version 2.0, see LICENSE for details.
	# SPDX-License-Identifier: Apache-2.0

	name: Cherry-pick Pull Request
	on:
	pull_request_target:
	types: [closed, labeled]

	permissions:
	contents: read

	jobs:
	cherrypick:
	# NOTE: We currently need these permissions because we create pull request with the repo-scoped
	# default token. We should in the future move to a PAT owned by lowrisc-bot and create pull request
	# on its behalf.
	permissions:
	# Needed for the action to create branch.
	contents: write
	# Needed for the action to create a pull request.
	pull-requests: write

	name: Cherry-pick Pull Request
	if: github.event.pull_request.merged == true && (github.event_name != 'labeled' \|\| startsWith('CherryPick:', github.event.label.name))
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.event.pull_request.head.sha }}

	- name: Create backport PRs
	id: backport
	uses: korthout/backport-action@e8161d6a0dbfa2651b7daa76cbb75bc7c925bbf3 # v2.4.1
	with:
	label_pattern: "^CherryPick:([^ ]+)$"
	pull_title: "Cherry-pick to ${target_branch}: ${pull_title}"
	pull_description: \|
	This is an automatic cherry-pick of #${pull_number} to branch `${target_branch}`.

	- name: Apply label for manually cherry picking
	if: ${{ steps.backport.outputs.was_successful == 'false' }}
	env:
	GH_TOKEN: ${{ github.token }}
	run: \|
	gh pr edit ${{ github.event.pull_request.number }} --add-label 'Manually CherryPick'

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