Regenerate cache #98

	name: Regenerate cache

	on:
	schedule:
	# Daily
	- cron: '23 4 * * *'

	jobs:
	regenerate-cache:
	permissions:
	actions: write
	runs-on: ubuntu-latest
	steps:
	- name: Delete prior caches
	run: \|
	gh extension install actions/gh-actions-cache

	echo "Fetching prior cache keys"
	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 prior caches..."
	for cacheKey in $cacheKeysForPR
	do
	gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
	done
	echo "Done"
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	REPO: ${{ github.repository }}
	BRANCH: ${{ github.ref }}
	# Caches and restores the bazelisk download directory, the bazel build directory.
	- name: Cache bazel
	uses: actions/cache@v4
	env:
	cache-name: bazel-cache
	with:
	path: \|
	~/.cache/bazelisk
	~/.cache/bazel
	~/.cache/bazel-repo
	key: ${{ runner.os }}-${{ env.cache-name }}-${{ github.ref }}-${{ github.sha }}
	# Pull caches from:
	# - The current sha,
	# - The current branch,
	# - base branch
	restore-keys: \|
	${{ runner.os }}-${{ env.cache-name }}-${{ github.ref }}-${{ github.sha }}
	${{ runner.os }}-${{ env.cache-name }}-${{ github.ref }}-
	${{ runner.os }}-${{ env.cache-name }}-refs/heads/${{ github.base_ref }}-
	- name: Checkout
	uses: actions/checkout@v4
	- name: Bazel clean
	run: bazel --bazelrc=.github/workflows/ci.bazelrc --bazelrc=.bazelrc clean --expunge
	- name: bazel test //...
	run: bazel --bazelrc=.github/workflows/ci.bazelrc --bazelrc=.bazelrc test //...

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