builtins.storePath: Try to substitute the path if it is not yet valid

Signed-off-by: Shea Levy <shea@shealevy.com>
NixOS · Dec 10, 2013 · 22d6650 · 22d6650
1 parent a6add93
commit 22d6650
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
@@ -582,8 +582,8 @@ static void prim_storePath(EvalState & state, Value * * args, Value & v)
     if (!isInStore(path))
         throw EvalError(format("path `%1%' is not in the Nix store") % path);
     Path path2 = toStorePath(path);
-    if (!store->isValidPath(path2))
-        throw EvalError(format("store path `%1%' is not valid") % path2);
+    if (!settings.readOnlyMode)
+        store->ensurePath(path2);
     context.insert(path2);
     mkString(v, path, context);
 }