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authorVincent Ambo <tazjin@google.com>2020-05-20T21·58+0100
committerVincent Ambo <tazjin@google.com>2020-05-20T21·58+0100
commit43677021e3c285c2ced2075b918da947e13fcb00 (patch)
tree261d2ecbc6a9492d6410f9f4e8fd6629f20b49e6 /third_party/nix/src/nix-store/graphml.cc
parent689ef502f5b0655c9923ed77da2ae3504630f473 (diff)
refactor(3p/nix): Apply clang-tidy's performance-* fixes r/789
This applies the performance fixes listed here:

https://clang.llvm.org/extra/clang-tidy/checks/list.html
Diffstat (limited to 'third_party/nix/src/nix-store/graphml.cc')
-rw-r--r--third_party/nix/src/nix-store/graphml.cc2
1 files changed, 1 insertions, 1 deletions
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;