From 29dba17c29e3ed86394155c544d615205274bfee Mon Sep 17 00:00:00 2001
From: Felix Schoeler <felix@hectobyte.net>
Date: Tue, 19 Jul 2016 16:06:31 +0200
Subject: [PATCH 1/5] Added possibility to set binary path of pngquant manually

---
 lib/PngQuant.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/PngQuant.js b/lib/PngQuant.js
index e285797..c583aae 100644
--- a/lib/PngQuant.js
+++ b/lib/PngQuant.js
@@ -22,6 +22,11 @@ function PngQuant(pngQuantArgs) {
 util.inherits(PngQuant, Stream);
 
 PngQuant.getBinaryPath = memoizeAsync(function (cb) {
+    if(this.binaryPath !== undefined) {
+        cb(this.binaryPath);
+        return;
+    }
+
     which('pngquant', function (err, pngQuantBinaryPath) {
         if (err) {
             pngQuantBinaryPath = require('pngquant-bin');
@@ -34,6 +39,10 @@ PngQuant.getBinaryPath = memoizeAsync(function (cb) {
     });
 });
 
+PngQuant.setBinaryPath = function(binaryPath) {
+    this.binaryPath = binaryPath;
+};
+
 PngQuant.prototype._error = function (err) {
     if (!this.hasEnded) {
         this.hasEnded = true;

From 24bffa409c9439182eb7550125c7959509d17048 Mon Sep 17 00:00:00 2001
From: Felix Schoeler <felix@hectobyte.net>
Date: Tue, 19 Jul 2016 16:52:13 +0200
Subject: [PATCH 2/5] Fixed wrong callback parameters

---
 lib/PngQuant.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PngQuant.js b/lib/PngQuant.js
index c583aae..ca8e2cb 100644
--- a/lib/PngQuant.js
+++ b/lib/PngQuant.js
@@ -23,7 +23,7 @@ util.inherits(PngQuant, Stream);
 
 PngQuant.getBinaryPath = memoizeAsync(function (cb) {
     if(this.binaryPath !== undefined) {
-        cb(this.binaryPath);
+        cb(null, this.binaryPath);
         return;
     }
 

From a0dcc76c2cf880a84b8c67c5f69677f964203a19 Mon Sep 17 00:00:00 2001
From: Felix Schoeler <felix@hectobyte.net>
Date: Tue, 19 Jul 2016 16:54:09 +0200
Subject: [PATCH 3/5] Fixed immediate calling of callback

---
 lib/PngQuant.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/PngQuant.js b/lib/PngQuant.js
index ca8e2cb..8912ff5 100644
--- a/lib/PngQuant.js
+++ b/lib/PngQuant.js
@@ -23,7 +23,9 @@ util.inherits(PngQuant, Stream);
 
 PngQuant.getBinaryPath = memoizeAsync(function (cb) {
     if(this.binaryPath !== undefined) {
-        cb(null, this.binaryPath);
+        setTimeout(function() {
+            cb(null, this.binaryPath);
+        }, 0);
         return;
     }
 

From d784d08d31b2fad9bd59b2aca7ae3e86a6bc43fd Mon Sep 17 00:00:00 2001
From: Felix Schoeler <felix@hectobyte.net>
Date: Tue, 19 Jul 2016 17:07:05 +0200
Subject: [PATCH 4/5] Replaced setTimeout with setImmediate

---
 lib/PngQuant.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/PngQuant.js b/lib/PngQuant.js
index 8912ff5..7190131 100644
--- a/lib/PngQuant.js
+++ b/lib/PngQuant.js
@@ -23,9 +23,9 @@ util.inherits(PngQuant, Stream);
 
 PngQuant.getBinaryPath = memoizeAsync(function (cb) {
     if(this.binaryPath !== undefined) {
-        setTimeout(function() {
+        setImmediate(function() {
             cb(null, this.binaryPath);
-        }, 0);
+        });
         return;
     }
 

From 472bb84b833377f080495a1700de42355053e62a Mon Sep 17 00:00:00 2001
From: Felix Schoeler <felix@hectobyte.net>
Date: Tue, 19 Jul 2016 17:15:27 +0200
Subject: [PATCH 5/5] Set the JSHint environment to NodeJS to make tests pass

---
 lib/PngQuant.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/PngQuant.js b/lib/PngQuant.js
index 7190131..a675a9e 100644
--- a/lib/PngQuant.js
+++ b/lib/PngQuant.js
@@ -1,3 +1,4 @@
+/*jshint node: true */
 var childProcess = require('child_process'),
     Stream = require('stream').Stream,
     util = require('util'),