[stable30] fix(files): ensure valid mtime and fallback to crtime if defined #18296

	# This workflow is provided via the organization template repository
	#
	# https://github.com/nextcloud/.github
	# https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
	#
	# SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
	# SPDX-FileCopyrightText: 2024 Arthur Schiwon <blizzz@arthur-schiwon.de>
	# SPDX-License-Identifier: MIT

	name: OpenAPI

	on: pull_request

	permissions:
	contents: read

	concurrency:
	group: openapi-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	openapi:
	runs-on: ubuntu-latest

	if: ${{ github.repository_owner != 'nextcloud-gmbh' }}

	steps:
	- name: Checkout
	uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

	- name: Set up php
	uses: shivammathur/setup-php@c541c155eee45413f5b09a52248675b1a2575231 #v2.31.1
	with:
	php-version: '8.1'
	extensions: ctype, curl, dom, fileinfo, gd, json, libxml, mbstring, openssl, pcntl, pdo, posix, session, simplexml, xml, xmlreader, xmlwriter, zip, zlib
	coverage: none
	ini-file: development
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Set up dependencies
	run: composer i

	- name: OpenAPI checker
	run: build/openapi-checker.sh

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