From 2cb8aaa6109b4f5a31a1091dc3f56c8059a9c2c1 Mon Sep 17 00:00:00 2001
From: Daiderd Jordan <daiderd@gmail.com>
Date: Wed, 6 Dec 2017 11:35:24 +0100
Subject: ssh-store: fix length when writing nar

This fixes nix copy and other things that use copyStorePath.
---
 src/libstore/ssh-store.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/libstore/ssh-store.cc')

diff --git a/src/libstore/ssh-store.cc b/src/libstore/ssh-store.cc
index bb536fadf..107c6e1ec 100644
--- a/src/libstore/ssh-store.cc
+++ b/src/libstore/ssh-store.cc
@@ -62,9 +62,9 @@ public:
     ForwardSource(Source & readSource, Sink & writeSink) : readSource(readSource), writeSink(writeSink) {}
     size_t read(unsigned char * data, size_t len) override
     {
-        auto res = readSource.read(data, len);
-        writeSink(data, len);
-        return res;
+        auto n = readSource.read(data, len);
+        writeSink(data, n);
+        return n;
     }
 };
 
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