Clear cache #19

	---
	name: Clear cache
	on:
	workflow_dispatch:

	permissions:
	contents: read
	jobs:
	clear-cache:
	permissions:
	actions: write
	runs-on: ubuntu-latest
	steps:
	- name: Clear cache
	run: \|
	gh extension install actions/gh-actions-cache

	echo "Fetching list of cache key"
	## The maximum GH fetch limit is 100
	cacheKeysForPR=$(gh actions-cache list -R $REPO -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 --confirm
	done
	echo "Done"
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	REPO: ${{ github.repository }}

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