From 23fa7e3606a2bee6e3622a61f07e66bdda9b5304 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Tue, 16 Jan 2018 17:11:58 +0100
Subject: [PATCH] parseExprFromFile -> evalFile

parseExprFromFile() should be avoided since it doesn't cache anything.
---
 src/nix/installables.cc | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/nix/installables.cc b/src/nix/installables.cc
index ae93c4ef6..c3b06c22e 100644
--- a/src/nix/installables.cc
+++ b/src/nix/installables.cc
@@ -30,10 +30,8 @@ Value * SourceExprCommand::getSourceExpr(EvalState & state)
 
     vSourceExpr = state.allocValue();
 
-    if (file != "") {
-        Expr * e = state.parseExprFromFile(resolveExprPath(lookupFileArg(state, file)));
-        state.eval(e, *vSourceExpr);
-    }
+    if (file != "")
+        state.evalFile(lookupFileArg(state, file), *vSourceExpr);
 
     else {