refresh-contributors-wall #47

	name: refresh-contributors-wall

	on:
	# Daily refresh keeps the contributors wall CDN cache moving even when
	# contributor data changes outside pull request merges.
	schedule:
	- cron: '0 1 * * *'
	# Manual trigger: Use when you need to force-refresh the contributors wall
	# outside the daily schedule (e.g., after a bulk contributor update or
	# after fixing the cache_bust pattern in README files).
	workflow_dispatch:

	permissions:
	contents: write

	concurrency:
	group: refresh-contributors-wall
	cancel-in-progress: true

	jobs:
	refresh:
	name: Refresh contributors wall cache bust
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v6.0.2

	- name: Refresh cache bust date
	run: \|
	DATE="$(date -u +%F)"
	MATCHES="$(perl -0ne '$count += () = /cache_bust=\d{4}-\d{2}-\d{2}/g; END { print $count + 0 }' README*.md)"
	if [ "$MATCHES" -eq 0 ]; then
	echo "Warning: No cache_bust patterns found. README format may have changed."
	exit 1
	fi
	perl -0pi -e "s/cache_bust=\d{4}-\d{2}-\d{2}/cache_bust=$DATE/g" README*.md

	- name: Commit changes
	uses: stefanzweifel/git-auto-commit-action@v6
	with:
	commit_message: 'docs(readme): refresh contributors wall'
	file_pattern: 'README*.md'

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