Imagen #218

	# Copyright 2024 Google LLC
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
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	name: Doc Change Check (Run "yarn docs" if this fails)

	on: pull_request

	jobs:
	doc-check:
	name: Check if reference docs have changed
	runs-on: ubuntu-latest

	steps:
	- name: Checkout Repo
	uses: actions/checkout@v3
	with:
	# get all history for the diff
	fetch-depth: 0
	- name: Set up Node (18)
	uses: actions/setup-node@v3
	with:
	node-version: 18
	- name: Yarn install
	run: yarn
	- name: Run doc generation
	run: yarn docs
	- name: Check for changes in docs-devsite dir (fail if so)
	run: git diff --exit-code docs/reference
	- name: Reference documentation needs to be updated. See message below.
	if: ${{ failure() }}
	run: echo "Changes in this PR affect the reference docs. Run \`yarn docs\` locally to regenerate docs and add them to this PR."

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