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-rw-r--r--third_party/nix/src/libstore/export-import.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/third_party/nix/src/libstore/export-import.cc b/third_party/nix/src/libstore/export-import.cc
index de68304e3141..1974773ba135 100644
--- a/third_party/nix/src/libstore/export-import.cc
+++ b/third_party/nix/src/libstore/export-import.cc
@@ -87,7 +87,7 @@ Paths Store::importPaths(Source& source, std::shared_ptr<FSAccessor> accessor,
     info.references = readStorePaths<PathSet>(*this, source);
 
     info.deriver = readString(source);
-    if (info.deriver != "") {
+    if (!info.deriver.empty()) {
       assertStorePath(info.deriver);
     }