1 files changed, 12 insertions, 1 deletions
diff --git a/src/nix/main.cc b/src/nix/main.cc
index a80fd0ea6..eedf8656e 100644
--- a/src/nix/main.cc
+++ b/src/nix/main.cc
@@ -103,10 +103,20 @@ struct NixArgs : virtual MultiCommand, virtual MixCommonArgs
             "--help-config' for a list of configuration settings.\n";
     }
 
+    void printHelp(const string & programName, std::ostream & out) override
+    {
+        MultiCommand::printHelp(programName, out);
+
+#if 0
+        out << "\nFor full documentation, run 'man " << programName << "' or 'man " << programName << "-<COMMAND>'.\n";
+#endif
+
+        std::cout << "\nNote: this program is EXPERIMENTAL and subject to change.\n";
+    }
+
     void showHelpAndExit()
     {
         printHelp(programName, std::cout);
-        std::cout << "\nNote: this program is EXPERIMENTAL and subject to change.\n";
         throw Exit();
     }
 };
@@ -133,6 +143,7 @@ void mainWrapped(int argc, char * * argv)
 
     verbosity = lvlWarn;
     settings.verboseBuild = false;
+    evalSettings.pureEval = true;
 
     NixArgs args;