clear_gh_caches #8

	on:
	schedule:
	# At 00:00 on day-of-month 1 in every 2nd month. (i.e every 2 months)
	- cron: '0 0 1 /2 '

	name: clear_gh_caches

	jobs:
	cleanup:
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Cleanup
	run: \|
	gh extension install actions/gh-actions-cache

	REPO=${{ github.repository }}

	echo "Fetching list of cache keys"
	cacheKeys=$(gh actions-cache list -R $REPO \| cut -f 1 )

	## Do not fail the workflow while deleting cache keys.
	set +e
	echo "Deleting caches..."
	for cacheKey in $cacheKeys
	do
	gh actions-cache delete $cacheKey -R $REPO --confirm
	done
	echo "Done"

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