Made spack test more robust

.github/workflows/spack_cpu_build.yaml

@@ -160,5 +160,19 @@ jobs:
       # Push with force to override existing binaries...
       - name: Push to binaries to buildcache
         run: |
-          spack -e . buildcache push --force --base-image ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.BASE_VERSION }} --unsigned --update-index local-buildcache
+          set +e
+          for attempt in {1..3}; do
+            echo "Attempt $attempt of 3"
+            spack -e . buildcache push \
+              --force \
+              --base-image ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.BASE_VERSION }} \
+              --unsigned \
+              --update-index \
+              local-buildcache && break
+            if [ $attempt -lt 3 ]; then
+              echo "Push failed, waiting before retry..."
+              sleep 30
+            fi
+          done
+          set -e
         if: ${{ !cancelled() }}

CHANGELOG.md

@@ -22,6 +22,8 @@
 
 - Improved coding guidelines for developers on floating point conventions.
 
+- Made spack builds more robust.
+- 
 - Removed unnecessary device synchronization and added where needed (HIP only calls).
 
 - Changed variable and function names to be more explanatory.