[stable25] add wrapper for external storage to ensure we don't get an mtime that is lower than we know it is #19213

	# 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

	name: Block merges during freezes

	on:
	pull_request:
	types: [opened, ready_for_review, reopened, synchronize]

	permissions:
	contents: read

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

	jobs:
	block-merges-during-freeze:
	name: Block merges during freezes

	if: github.event.pull_request.draft == false

	runs-on: ubuntu-latest

	steps:
	- name: Download version.php from ${{ github.base_ref }}
	run: curl https://raw.githubusercontent.com/nextcloud/server/${{ github.base_ref }}/version.php --output version.php

	- name: Run check
	run: cat version.php \| grep 'OC_VersionString' \| grep -i -v 'RC'

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