From 2b905d1d35af7fbdba391f0f0d8d7a28a3d703e8 Mon Sep 17 00:00:00 2001
From: Patrick Jackson <patrick@jackson.dev>
Date: Fri, 31 Mar 2023 17:44:13 -0700
Subject: [PATCH] Replace unnecessary Sync<uint64_t> with std::atomic<uint64_t>

---
 src/libstore/store-api.cc | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/libstore/store-api.cc b/src/libstore/store-api.cc
index 3cf4c801b..60e87918a 100644
--- a/src/libstore/store-api.cc
+++ b/src/libstore/store-api.cc
@@ -10,7 +10,6 @@
 #include "archive.hh"
 #include "callback.hh"
 #include "remote-store.hh"
-#include "sync.hh"
 
 #include <nlohmann/json.hpp>
 #include <regex>
@@ -1103,7 +1102,7 @@ std::map<StorePath, StorePath> copyPaths(
     };
 
     // total is accessed by each copy, which are each handled in separate threads
-    Sync<uint64_t> _total = 0;
+    std::atomic<uint64_t> total = 0;
 
     for (auto & missingPath : sortedMissing) {
         auto info = srcStore.queryPathInfo(missingPath);
@@ -1126,9 +1125,8 @@ std::map<StorePath, StorePath> copyPaths(
             PushActivity pact(act.id);
 
             LambdaSink progressSink([&](std::string_view data) {
-                auto total(_total.lock());
-                *total += data.size();
-                act.progress(*total, info->narSize);
+                total += data.size();
+                act.progress(total, info->narSize);
             });
             TeeSink tee { sink, progressSink };