Alert Changed Branch Protections #3

	name: Alert Changed Branch Protections

	on:
	branch_protection_rule:
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	check-branch-protections:
	runs-on: ubuntu-latest
	if: github.repository == 'github/docs-internal'

	strategy:
	matrix:
	# List of branches we want to monitor for protection changes
	branch: [main]

	steps:
	- name: Checkout repository
	uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1

	- name: Fetch branch protections
	id: fetch
	env:
	GH_TOKEN: ${{ secrets.DOCS_BOT_PAT_WORKFLOW }}
	run: \|
	# Fetch branch protections and store them in a file
	gh api /repos/GitHub/docs-internal/branches/${{ matrix.branch }}/protection > ${{ matrix.branch }}-actual.json

	- name: Format fetched settings with prettier for comparison
	id: format
	run: \|
	npx prettier --write ${{ matrix.branch }}-actual.json

	- name: Compare branch protections
	id: compare
	run: \|
	# Compare the fetched branch protections with the committed ones
	git diff --no-index .github/branch_protection_settings/${{ matrix.branch }}.json ${{ matrix.branch }}-actual.json

	- uses: ./.github/actions/slack-alert
	if: ${{ failure() && github.event_name != 'workflow_dispatch' }}
	with:
	slack_channel_id: ${{ secrets.DOCS_ALERTS_SLACK_CHANNEL_ID }}
	slack_token: ${{ secrets.SLACK_DOCS_BOT_TOKEN }}

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