From 43677021e3c285c2ced2075b918da947e13fcb00 Mon Sep 17 00:00:00 2001
From: Vincent Ambo <tazjin@google.com>
Date: Wed, 20 May 2020 22:58:43 +0100
Subject: refactor(3p/nix): Apply clang-tidy's performance-* fixes

This applies the performance fixes listed here:

https://clang.llvm.org/extra/clang-tidy/checks/list.html
---
 third_party/nix/src/nix-store/graphml.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'third_party/nix/src/nix-store/graphml.cc')

diff --git a/third_party/nix/src/nix-store/graphml.cc b/third_party/nix/src/nix-store/graphml.cc
index 6510b328810d..a1a16cc8f28a 100644
--- a/third_party/nix/src/nix-store/graphml.cc
+++ b/third_party/nix/src/nix-store/graphml.cc
@@ -37,7 +37,7 @@ static string makeNode(const ValidPathInfo& info) {
       (isDerivation(info.path) ? "derivation" : "output-path"));
 }
 
-void printGraphML(ref<Store> store, const PathSet& roots) {
+void printGraphML(const ref<Store>& store, const PathSet& roots) {
   PathSet workList(roots);
   PathSet doneSet;
   std::pair<PathSet::iterator, bool> ret;
-- 
cgit 1.4.1