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cache-cleaner.yml
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# Example taken from https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#managing-caches
name: Cleanup Caches on Pull Request Merge
on:
pull_request:
types:
- closed
permissions: # added using https://github.com/step-security/secure-repo
contents: read
jobs:
cleanup:
name: Cleanup
runs-on: ubuntu-latest
permissions:
actions: write
steps:
- name: Harden Runner
uses: step-security/harden-runner@0080882f6c36860b6ba35c610c98ce87d4e2f26f # v2.10.2
with:
disable-sudo: true
egress-policy: block
allowed-endpoints: >
api.github.com:443
github.com:443
objects.githubusercontent.com:443
- name: Checkout Repository
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Cleanup
run: |
gh extension install actions/gh-actions-cache
REPO=${{ github.repository }}
BRANCH="refs/pull/${{ github.event.pull_request.number }}/merge"
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
gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
done
echo "Done"
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}