From ccc9e20e4c81c5698aecc6be28e119c23c32a143 Mon Sep 17 00:00:00 2001
From: isaacs <i@izs.me>
Date: Wed, 27 Nov 2019 15:38:28 -0800
Subject: [PATCH] bin: only add log listener once

Makes the test stop complaining.  Irrelevant in most other scenarios.
---
 lib/bin.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/bin.js b/lib/bin.js
index 0069bb37..2ccedd37 100755
--- a/lib/bin.js
+++ b/lib/bin.js
@@ -78,12 +78,16 @@ const shouldJSON = (conf, result) =>
 const pretty = (conf, result) =>
   shouldJSON(conf, result) ? JSON.stringify(result, 0, 2) : result
 
+let addedLogListener = false
 const main = args => {
   const conf = parse(args)
   if (conf.help || conf.h)
     return console.log(usage())
 
-  process.on('log', console.error)
+  if (!addedLogListener) {
+    process.on('log', console.error)
+    addedLogListener = true
+  }
 
   try {
     return run(conf)