Cleanup cache #1927

	name: Cleanup cache
	on:
	delete:
	pull_request:
	types:
	- closed
	workflow_dispatch:
	inputs:
	branch:
	description: 'Branch ref to delete caches for'
	required: true
	type: string

	jobs:
	cleanup:
	runs-on: ubuntu-latest
	steps:
	- name: Check out code
	uses: actions/checkout@v4

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

	REPO=${{ github.server_url }}/${{ github.repository }}
	PR=${{ github.event.pull_request.number }}
	BRANCH=${{ github.event.ref }}
	REF=${{ inputs.branch \|\| (github.event.pull_request.number && 'refs/pull/$PR/merge') \|\| github.event.ref }}

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

	## 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 $REF --confirm
	done
	echo "Done"
	env:
	GH_TOKEN: ${{ github.token }}

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