From 9dfe000ac68c17b6159864200d549d8a2191bad8 Mon Sep 17 00:00:00 2001
From: Nick Fedor <71477161+nicholas-fedor@users.noreply.github.com>
Date: Sat, 18 Jan 2025 00:44:12 -0700
Subject: [PATCH] Create clean-cache.yml

---
 .github/workflows/clean-cache.yml | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 .github/workflows/clean-cache.yml

diff --git a/.github/workflows/clean-cache.yml b/.github/workflows/clean-cache.yml
new file mode 100644
index 0000000..6cf8646
--- /dev/null
+++ b/.github/workflows/clean-cache.yml
@@ -0,0 +1,27 @@
+name: cleanup caches by a branch
+on:
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Cleanup
+        run: |
+          echo "Fetching list of cache key"
+          cacheKeysForPR=$(gh cache list --ref $BRANCH --limit 100 --json id --jq '.[].id')
+
+          ## Setting this to not fail the workflow while deleting cache keys.
+          set +e
+          echo "Deleting caches..."
+          for cacheKey in $cacheKeysForPR
+          do
+              gh cache delete $cacheKey
+          done
+          echo "Done"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GH_REPO: ${{ github.repository }}
+          BRANCH: refs/pull/${{ github.event.pull_request.number }}/merge