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Diffstat (limited to 'third_party/nix/src/nix/show-config.cc')
-rw-r--r--third_party/nix/src/nix/show-config.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/third_party/nix/src/nix/show-config.cc b/third_party/nix/src/nix/show-config.cc
index 8e27fd168f..56448f9d60 100644
--- a/third_party/nix/src/nix/show-config.cc
+++ b/third_party/nix/src/nix/show-config.cc
@@ -6,7 +6,7 @@
 
 using namespace nix;
 
-struct CmdShowConfig : Command, MixJSON {
+struct CmdShowConfig final : Command, MixJSON {
   CmdShowConfig() = default;
 
   std::string name() override { return "show-config"; }