From 1607ad5076186bbfbf85a55d222aed09e66dc3fe Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Wed, 8 Mar 2023 13:53:20 +0100
Subject: [PATCH] Fix uninitialized readFromStdIn variable

This was causing random failures in tests/ca/substitute.ca: 'nix copy
--file ./content-addressed.nix' wouldn't get the default installable
'.' applied in InstallablesCommand::load(), so it would do nothing.
---
 src/libcmd/command.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libcmd/command.hh b/src/libcmd/command.hh
index b8116b151..0d84c8395 100644
--- a/src/libcmd/command.hh
+++ b/src/libcmd/command.hh
@@ -128,7 +128,7 @@ struct InstallablesCommand : virtual Args, SourceExprCommand
 
     virtual bool useDefaultInstallables() { return true; }
 
-    bool readFromStdIn;
+    bool readFromStdIn = false;
 
     std::vector<std::string> getFlakesForCompletion() override;