Ignore broken "Deriver: unknown-deriver" fields in .narinfo

These were generated by a legacy tool.
2017-03-28 13:08:13 +02:00
parent 023217f07c
commit c60715e937
1 changed files with 5 additions and 3 deletions
@@ -59,9 +59,11 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
            }
        }
        else if (name == "Deriver") {
-            auto p = store.storeDir + "/" + value;
-            if (!store.isStorePath(p)) corrupt();
-            deriver = p;
+            if (value != "unknown-deriver") {
+                auto p = store.storeDir + "/" + value;
+                if (!store.isStorePath(p)) corrupt();
+                deriver = p;
+            }
        }
        else if (name == "System")
            system = value;