From 1455b3f04b66124d0549f07236898c2fc5ddbb2f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Ant=C3=B4nio=20Cardoso?= <joao.maker@gmail.com>
Date: Tue, 28 May 2024 13:02:15 -0300
Subject: [PATCH] .github: Cleanup caches by a branch

---
 .github/workflows/cleanup_caches.yml | 29 ++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 .github/workflows/cleanup_caches.yml

diff --git a/.github/workflows/cleanup_caches.yml b/.github/workflows/cleanup_caches.yml
new file mode 100644
index 0000000..8985f34
--- /dev/null
+++ b/.github/workflows/cleanup_caches.yml
@@ -0,0 +1,29 @@
+name: cleanup caches by a branch
+on:
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Cleanup
+        run: |
+          gh extension install actions/gh-actions-cache
+
+          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 }}
+          REPO: ${{ github.repository }}
+          BRANCH: refs/pull/${{ github.event.pull_request.number }}/merge