1 files changed, 7 insertions, 4 deletions
diff --git a/third_party/nix/src/libstore/builtins/fetchurl.cc b/third_party/nix/src/libstore/builtins/fetchurl.cc
index b9c6ffc3f5..961d081423 100644
--- a/third_party/nix/src/libstore/builtins/fetchurl.cc
+++ b/third_party/nix/src/libstore/builtins/fetchurl.cc
@@ -20,8 +20,9 @@ void builtinFetchurl(const BasicDerivation& drv, const std::string& netrcData) {
 
   auto getAttr = [&](const std::string& name) {
     auto i = drv.env.find(name);
-    if (i == drv.env.end())
+    if (i == drv.env.end()) {
       throw Error(format("attribute '%s' missing") % name);
+    }
     return i->second;
   };
 
@@ -47,15 +48,17 @@ void builtinFetchurl(const BasicDerivation& drv, const std::string& netrcData) {
       decompressor->finish();
     });
 
-    if (unpack)
+    if (unpack) {
       restorePath(storePath, *source);
-    else
+    } else {
       writeFile(storePath, *source);
+    }
 
     auto executable = drv.env.find("executable");
     if (executable != drv.env.end() && executable->second == "1") {
-      if (chmod(storePath.c_str(), 0755) == -1)
+      if (chmod(storePath.c_str(), 0755) == -1) {
         throw SysError(format("making '%1%' executable") % storePath);
+      }
     }
   };