1 files changed, 3 insertions, 0 deletions
diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index 101633869..d47e0b6b5 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -366,6 +366,9 @@ public:
     Setting<bool> warnDirty{this, true, "warn-dirty",
         "Whether to warn about dirty Git/Mercurial trees."};
 
+    Setting<size_t> narBufferSize{this, 32 * 1024 * 1024, "nar-buffer-size",
+        "Maximum size of NARs before spilling them to disk."};
+
     Setting<std::string> flakeRegistry{this, "https://github.com/NixOS/flake-registry/raw/master/flake-registry.json", "flake-registry",
         "Path or URI of the global flake registry."};
 };