Use caching and retagging for keycloakify action #133

	# Copied from
	# https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#usage-limits-and-eviction-policy
	name: cleanup caches by a branch
	on:
	pull_request_target:
	types:
	- closed
	workflow_dispatch:
	inputs:
	branch:
	description: "Branch name"
	required: false
	default: ""

	jobs:
	cleanup:
	runs-on: ubuntu-latest
	permissions:
	actions: write
	steps:
	- name: Setup Branch Name
	id: setup-branch
	run: \|
	if [ "${{ github.event.inputs.branch }}" != "" ]; then
	echo "branch=${{ github.event.inputs.branch }}" >> $GITHUB_OUTPUT
	elif [ "${{ github.head_ref }}" != "" ]; then
	echo "branch=${{ github.head_ref }}" >> $GITHUB_OUTPUT
	else
	echo "branch=${{ github.ref_name }}" >> $GITHUB_OUTPUT
	fi

	- name: 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
	echo "Deleting $cacheKey"
	gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
	done
	echo "Done"
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	REPO: ${{ github.repository }}
	BRANCH: ${{ steps.setup-branch.outputs.branch }}

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