From 6b987206ce51839a41cd0540236e5f5ecdc6940e Mon Sep 17 00:00:00 2001
From: Mike Kusold <kusold@users.noreply.github.com>
Date: Mon, 20 Jan 2025 11:04:53 -0700
Subject: [PATCH] Add unit of measurement for download-buffer-size

I started getting these warnings `warning: download buffer is full; consider increasing the 'download-buffer-size' setting` but the documentation does not make it obvious what unit of measurement it accepts.
---
 src/libstore/filetransfer.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/libstore/filetransfer.hh b/src/libstore/filetransfer.hh
index d836ab2c4..e9a166af7 100644
--- a/src/libstore/filetransfer.hh
+++ b/src/libstore/filetransfer.hh
@@ -50,8 +50,9 @@ struct FileTransferSettings : Config
 
     Setting<size_t> downloadBufferSize{this, 64 * 1024 * 1024, "download-buffer-size",
         R"(
-          The size of Nix's internal download buffer during `curl` transfers. If data is
+          The size of Nix's internal download buffer in bytes during `curl` transfers. If data is
           not processed quickly enough to exceed the size of this buffer, downloads may stall.
+          The default is 67108864 (64MB).
         )"};
 };