Add deprecation notice #1735

	# Build generated files with JSonnet and show diff output.
	name: Diff Generated Files

	on:
	pull_request:
	branches: [master]
	types: [opened, synchronize, edited]

	workflow_dispatch: {}

	jobs:
	diff:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: Setup Go environment
	uses: actions/setup-go@v2
	with:
	go-version: '1.17'

	- name: Install JSonnet
	run: \|
	go install github.com/google/go-jsonnet/cmd/jsonnet@latest
	go install github.com/google/go-jsonnet/cmd/jsonnetfmt@latest
	echo "$HOME/go/bin" >> $GITHUB_PATH

	- name: Format JSonnet files (diff should be empty)
	run: \|
	scripts/format-jsonnet.sh
	git add -N tests/ templates/
	git diff --exit-code

	- name: Build repository
	run: \|
	scripts/gen-tests.sh

	- name: Show git diff summary
	run: \|
	# New files need to be added before git diff will recognize them.
	git add -N k8s/
	git fetch origin gen
	git diff origin/gen --compact-summary -- k8s/ \|\| true

	- name: Show full git diff
	run: \|
	git diff origin/gen -- k8s/ \| tee generated.diff

	- name: Upload a diff file
	uses: actions/[email protected]
	with:
	name: diff
	path: generated.diff

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