1# This job cleans up the unnecessary caches created on PRs.
2# https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#force-deleting-cache-entries
3name: cleanup caches by a branch
4on:
5 # Only runs on the PRs are closed, regardless of it is merged or not.
6 # https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#running-your-pull_request-workflow-when-a-pull-request-merges
7 pull_request:
8 types:
9 - closed
10
11jobs:
12 cleanup:
13 runs-on: ubuntu-latest
14 steps:
15 - name: Check out code
16 uses: actions/checkout@v3
17
18 - name: Cleanup
19 run: |
20 gh extension install actions/gh-actions-cache
21
22 REPO=${{ github.repository }}
23 BRANCH="refs/pull/${{ github.event.pull_request.number }}/merge"
24
25 echo "Fetching list of cache key"
26 cacheKeysForPR=$(gh actions-cache list -R $REPO -B $BRANCH | cut -f 1 )
27
28 ## Setting this to not fail the workflow while deleting cache keys.
29 set +e
30 echo "Deleting caches..."
31 for cacheKey in $cacheKeysForPR
32 do
33 gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
34 done
35 echo "Done"
36 env:
37 GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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