From 7fc7f6dbf69a9811550f9b9003e8ef686ef77443 Mon Sep 17 00:00:00 2001
From: Tonis Tiigi <tonistiigi@gmail.com>
Date: Tue, 14 Jan 2020 11:18:59 -0800
Subject: [PATCH] solver: avoid panic on combined cache load

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
---
 solver/combinedcache.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/solver/combinedcache.go b/solver/combinedcache.go
index 07c494d1cb15..89361bcc04d9 100644
--- a/solver/combinedcache.go
+++ b/solver/combinedcache.go
@@ -87,6 +87,9 @@ func (cm *combinedCacheManager) Load(ctx context.Context, rec *CacheRecord) (res
 			}
 		}
 	}
+	if len(results) == 0 { // TODO: handle gracefully
+		return nil, errors.Errorf("failed to load deleted cache")
+	}
 	return results[0].Result, nil
 }