Update self_service_creation_platform_domains.txt #393

	name: Validate manifest.json

	on: push

	jobs:
	validate:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
	with:
	fetch-depth: 1

	- name: Validate manifest.json
	id: validate_manifest
	run: \|
	echo "Validating manifest files"
	for item in $(jq -c -r '.lists.[].file \| select( . != null )' manifest.json); do
	if test -f "$item"; then
	echo "$item file is listed in the manifest, and exists in the repository"
	else
	echo "::error file=manifest.json,title=Invalid-Manifest::$item file is listed in the manifest, but the file does not exist"
	exit 1
	fi
	done

	echo "Validating manifest urls"
	for item in $(jq -c -r '.lists.[].url \| select( . != null )' manifest.json); do
	urlstatus=$(curl -H 'Cache-Control: no-cache' -o /dev/null --silent --head --write-out "$URL %{http_code}" "$item")
	if [ "$urlstatus" -ne 200 ]; then
	echo "::error file=manifest.json,title=Invalid-Manifest::$item URL is listed in the manifest, but the received HTTP status of $urlstatus"
	exit 1
	fi
	done

	echo "Validation complete"

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