From 40e0c9e925e266c1b0944d9810f3a7f3dd6ec544 Mon Sep 17 00:00:00 2001
From: Linus Heckemann <git@sphalerite.org>
Date: Fri, 16 Nov 2018 16:13:28 +0100
Subject: [PATCH] nix ls-nar: allow reading from FIFOs

fixes #2528
---
 src/nix/ls.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nix/ls.cc b/src/nix/ls.cc
index e99622faf..d089be42f 100644
--- a/src/nix/ls.cc
+++ b/src/nix/ls.cc
@@ -148,7 +148,7 @@ struct CmdLsNar : Command, MixLs
 
     void run() override
     {
-        list(makeNarAccessor(make_ref<std::string>(readFile(narPath))));
+        list(makeNarAccessor(make_ref<std::string>(readFile(narPath, true))));
     }
 };