about summary refs log tree commit diff
path: root/third_party/nix/src/libmain/common-args.cc
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/nix/src/libmain/common-args.cc')
-rw-r--r--third_party/nix/src/libmain/common-args.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/third_party/nix/src/libmain/common-args.cc b/third_party/nix/src/libmain/common-args.cc
index 9d6f6445c0..3d9b8ebfae 100644
--- a/third_party/nix/src/libmain/common-args.cc
+++ b/third_party/nix/src/libmain/common-args.cc
@@ -26,7 +26,7 @@ MixCommonArgs::MixCommonArgs(const string& programName)
       .shortName('j')
       .label("jobs")
       .description("maximum number of parallel builds")
-      .handler([=](std::string s) { settings.set("max-jobs", s); });
+      .handler([=](const std::string& s) { settings.set("max-jobs", s); });
 
   std::string cat = "config";
   globalConfig.convertToArgs(*this, cat);