From aa01c346f76716f5d4379cd0eae2d065d676d74a Mon Sep 17 00:00:00 2001
From: Dominik Picheta <dominikpicheta@gmail.com>
Date: Mon, 4 Apr 2016 20:15:52 +0100
Subject: [PATCH] Fixes #3159.

---
 lib/impure/rdstdin.nim | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/impure/rdstdin.nim b/lib/impure/rdstdin.nim
index 469bb69c5e..f722a6b39a 100644
--- a/lib/impure/rdstdin.nim
+++ b/lib/impure/rdstdin.nim
@@ -105,7 +105,8 @@ else:
   proc readLineFromStdin*(prompt: string): TaintedString {.
                           tags: [ReadIOEffect, WriteIOEffect].} =
     var buffer = linenoise.readLine(prompt)
-    if isNil(buffer): quit(0)
+    if isNil(buffer):
+      raise newException(IOError, "Linenoise returned nil")
     result = TaintedString($buffer)
     if result.string.len > 0:
       historyAdd(buffer)
@@ -114,12 +115,12 @@ else:
   proc readLineFromStdin*(prompt: string, line: var TaintedString): bool {.
                           tags: [ReadIOEffect, WriteIOEffect].} =
     var buffer = linenoise.readLine(prompt)
-    if isNil(buffer): quit(0)
+    if isNil(buffer):
+      raise newException(IOError, "Linenoise returned nil")
     line = TaintedString($buffer)
     if line.string.len > 0:
       historyAdd(buffer)
     linenoise.free(buffer)
-    # XXX how to determine CTRL+D?
     result = true
 
   proc readPasswordFromStdin*(prompt: string, password: var TaintedString):