From 262a3c7ce332d8f7f52b007178c2d54f063d6c7a Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 18 Nov 2021 12:12:31 +0100
Subject: [PATCH] Simplify

---
 src/libstore/references.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libstore/references.cc b/src/libstore/references.cc
index bb9590acb..91b3fc142 100644
--- a/src/libstore/references.cc
+++ b/src/libstore/references.cc
@@ -54,12 +54,12 @@ void RefScanSink::operator () (std::string_view data)
        fragment, so search in the concatenation of the tail of the
        previous fragment and the start of the current fragment. */
     auto s = tail;
-    s.append(data.data(), std::min(data.size(), refLength));
+    auto tailLen = std::min(data.size(), refLength);
+    s.append(data.data(), tailLen);
     search(s, hashes, seen);
 
     search(data, hashes, seen);
 
-    auto tailLen = std::min(data.size(), refLength);
     auto rest = refLength - tailLen;
     if (rest < tail.size())
         tail = tail.substr(tail.size() - rest);