From fbcfc103ddd08f5004ec7d43d6efcc2ebb128bef Mon Sep 17 00:00:00 2001
From: Edgar Gomes <talktoedgar@gmail.com>
Date: Thu, 22 Aug 2024 10:46:51 -0300
Subject: [PATCH] chore: clean-up GH cache (#21)

* add cache cleaning after merges

* add comment
---
 .github/workflows/cache-clean-up.yaml | 29 +++++++++++++++++++++++++++
 .github/workflows/ci.yml              |  7 ++++---
 2 files changed, 33 insertions(+), 3 deletions(-)
 create mode 100644 .github/workflows/cache-clean-up.yaml

diff --git a/.github/workflows/cache-clean-up.yaml b/.github/workflows/cache-clean-up.yaml
new file mode 100644
index 0000000..e6bdb12
--- /dev/null
+++ b/.github/workflows/cache-clean-up.yaml
@@ -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 | 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
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e1e7ed7..2d3f661 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -62,7 +62,8 @@ jobs:
     strategy:
       matrix:
         component: [kontrol-service, kontrol-frontend]
-        # arch: [amd64, arm64]
+        # Skipping arm64 builds due GH cache rate limit casue by the
+        # number of cache entries generated by pkgsCross builds
         arch: [amd64]
     steps:
       - name: Git checkout
@@ -77,14 +78,14 @@ jobs:
           # relax sandbox due impure kontrol-service tests during build
           extra_nix_config: |
             sandbox = relaxed
-          #   extra-platforms = aarch64-linux
+            extra-platforms = aarch64-linux
 
       - name: Magic cache
         uses: DeterminateSystems/magic-nix-cache-action@v7
 
       - name: Build ${{ matrix.component }}
         run: |
-          nix build .#${{ matrix.component }} --print-build-logs
+          nix build .#${{ matrix.component }} --no-link --print-out-paths --print-build-logs
 
       - name: Build ${{ matrix.component }} for ${{ matrix.arch }}
         run: |