[Cron] Clear cache #611

	name: "[Cron] Clear cache"

	on:
	workflow_dispatch:
	schedule:
	- cron: "/15 2-4 * *"
	pull_request:
	types:
	- closed

	permissions:
	actions: write

	jobs:
	# https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#force-deleting-cache-entries
	pr-cleanup:
	if: ${{ github.event_name == 'pull_request' && github.event.action == 'closed' }}
	runs-on: ubuntu-latest
	steps:
	- name: Closed PR Cleanup
	run: \|
	gh extension install actions/gh-actions-cache

	echo "Fetching list of cache key"
	cacheKeysForPR=$(gh actions-cache list -R $REPO -B $BRANCH -L 100 \| cut -f 1 )

	## Setting this to not fail the workflow while deleting cache keys.
	set +e
	echo "Deleting caches..."
	for cacheKey in $cacheKeysForPR
	do
	gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
	done
	echo "Done"
	env:
	GH_TOKEN: ${{ github.token }}
	REPO: ${{ github.repository }}
	BRANCH: refs/pull/${{ github.event.pull_request.number }}/merge

	scheduled-cleanup:
	if: ${{ github.event_name == 'schedule' \|\| github.event_name == 'workflow_dispatch' }}
	runs-on: ubuntu-latest
	steps:
	- name: Clear Cache
	uses: actions/github-script@v7
	with:
	script: \|
	console.log("About to clear")
	const caches = await github.rest.actions.getActionsCacheList({
	owner: context.repo.owner,
	repo: context.repo.repo,
	})
	for (const cache of caches.data.actions_caches) {
	console.log(cache)
	github.rest.actions.deleteActionsCacheById({
	owner: context.repo.owner,
	repo: context.repo.repo,
	cache_id: cache.id,
	})
	}
	console.log("Clear completed")

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