From 760bd984d863b8acbea049b77d9308d21cc3e822 Mon Sep 17 00:00:00 2001
From: Iuri Matias <iuri.matias@gmail.com>
Date: Tue, 15 May 2018 17:20:43 -0400
Subject: [PATCH] only close watcher when it's actually ready

---
 lib/pipeline/watch.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/lib/pipeline/watch.js b/lib/pipeline/watch.js
index 910bb382..a2746716 100644
--- a/lib/pipeline/watch.js
+++ b/lib/pipeline/watch.js
@@ -41,8 +41,9 @@ class Watch {
 
   stop() {
     this.fileWatchers.forEach(fileWatcher => {
-      fileWatcher.close();
-      fileWatcher = null;
+      if (fileWatcher.shouldClose) return;
+      if (fileWatcher.isReady) fileWatcher.close();
+      fileWatcher.shouldClose = true;
     });
     this.fileWatchers = [];
   }
@@ -125,7 +126,11 @@ class Watch {
       .on('add', path => changeCallback('add', path))
       .on('change', path => changeCallback('change', path))
       .on('unlink', path => changeCallback('remove', path))
-      .on('ready', doneCallback);
+      .once('ready', () => {
+        configWatcher.isReady = true;
+        if (configWatcher.shouldClose) configWatcher.close();
+        doneCallback();
+      });
   }
 
 }