1 files changed, 44 insertions, 0 deletions
diff --git a/.github/workflows/cleanup-cache.yml b/.github/workflows/cleanup-cache.yml
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+name: Cleanup cache
+
+on:
+  schedule:
+    - cron: "0 11 * * *"
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: Cleanup caches older than 5 days
+        if: github.event_name == 'schedule'
+        uses: MyAlbum/purge-cache@881eb5957687193fa612bf74c0042adc78ea5e54 # v2.2.0
+        with:
+          max-age: 432000
+
+      # https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#force-deleting-cache-entries
+      - name: Cleanup on PR close
+        if: github.event_name == 'pull_request'
+        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 }}