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ci: Fix cache cleanup for PRs from forks #17

ci: Fix cache cleanup for PRs from forks

ci: Fix cache cleanup for PRs from forks #17

Workflow file for this run

---
name: cleanup branch caches
on:
pull_request_target:
types:
- closed
jobs:
cleanup:
runs-on: ubuntu-latest
steps:
- name: Cleanup
run: |
gh extension install actions/gh-actions-cache
cacheKeysForPR=$(gh actions-cache list -R $REPO -B $BRANCH -L 100 | cut -f 1)
# Turn off errexit 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
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
REPO: ${{ github.repository }}
BRANCH: refs/pull/${{ github.event.pull_request.number }}/merge