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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-collect-garbage
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-collect-garbage')
-rw-r--r--third_party/nix/src/nix-collect-garbage/nix-collect-garbage.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/third_party/nix/src/nix-collect-garbage/nix-collect-garbage.cc b/third_party/nix/src/nix-collect-garbage/nix-collect-garbage.cc
index c3ff068887b5..0050bdda15fb 100644
--- a/third_party/nix/src/nix-collect-garbage/nix-collect-garbage.cc
+++ b/third_party/nix/src/nix-collect-garbage/nix-collect-garbage.cc
@@ -18,7 +18,7 @@ bool dryRun = false;
  * Of course, this makes rollbacks to before this point in time
  * impossible. */
 
-void removeOldGenerations(std::string dir) {
+void removeOldGenerations(const std::string& dir) {
   if (access(dir.c_str(), R_OK) != 0) {
     return;
   }