printStats -> maybePrintStats

src/libcmd/command.cc

@@ -98,7 +98,7 @@ EvalCommand::EvalCommand()
 EvalCommand::~EvalCommand()
 {
     if (evalState)
-        evalState->printStats();
+        evalState->maybePrintStats();
 }
 
 ref<Store> EvalCommand::getEvalStore()

src/libexpr/eval.cc

@@ -2491,7 +2491,7 @@ bool EvalState::fullGC() {
 #endif
 }
 
-void EvalState::printStats()
+void EvalState::maybePrintStats()
 {
     bool showStats = getEnv("NIX_SHOW_STATS").value_or("0") != "0";
 

src/libexpr/eval.hh

@@ -714,7 +714,7 @@ public:
      * Performs a full memory GC before printing the statistics, so that the
      * GC statistics are more accurate.
      */
-    void printStats();
+    void maybePrintStats();
 
     /**
      * Print statistics, unconditionally, cheaply, without performing a GC first.

src/nix-build/nix-build.cc

@@ -344,7 +344,7 @@ static void main_nix_build(int argc, char * * argv)
         }
     }
 
-    state->printStats();
+    state->maybePrintStats();
 
     auto buildPaths = [&](const std::vector<DerivedPath> & paths) {
         /* Note: we do this even when !printMissing to efficiently

src/nix-env/nix-env.cc

@@ -1531,7 +1531,7 @@ static int main_nix_env(int argc, char * * argv)
 
         op(globals, std::move(opFlags), std::move(opArgs));
 
-        globals.state->printStats();
+        globals.state->maybePrintStats();
 
         return 0;
     }

src/nix-instantiate/nix-instantiate.cc

@@ -189,7 +189,7 @@ static int main_nix_instantiate(int argc, char * * argv)
                 evalOnly, outputKind, xmlOutputSourceLocation, e);
         }
 
-        state->printStats();
+        state->maybePrintStats();
 
         return 0;
     }