From f3f61b4d89ee4e688caa124db118ebaaa4f92dfd Mon Sep 17 00:00:00 2001
From: Manuel Cabral <m.cabral@digisfera.pt>
Date: Sat, 27 Dec 2014 17:27:30 +0000
Subject: [PATCH] Fix EPERM error on Windows.

---
 bin/cmd.js | 34 ++++++++++++++++------------------
 1 file changed, 16 insertions(+), 18 deletions(-)

diff --git a/bin/cmd.js b/bin/cmd.js
index bd0a1b1..9e4e6e4 100755
--- a/bin/cmd.js
+++ b/bin/cmd.js
@@ -21,27 +21,25 @@ w.on('update', bundle);
 bundle();
 
 function bundle () {
-    var wb = w.bundle();
-    wb.on('error', function (err) {
-        console.error(String(err));
-        fs.writeFile(outfile, 'console.error('+JSON.stringify(String(err))+')', function(err) {
-            if (err) console.error(err);
-        })
-    });
-    wb.pipe(fs.createWriteStream(dotfile));
-    
-    var bytes, time;
-    w.on('bytes', function (b) { bytes = b });
-    w.on('time', function (t) { time = t });
-    
-    wb.on('end', function () {
-        fs.rename(dotfile, outfile, function (err) {
-            if (err) return console.error(err);
+    w.bundle(function(err, buf) {
+        if(err) {
+           console.error(String(err));
+            fs.writeFile(outfile, 'console.error('+JSON.stringify(String(err))+')', function(err) {
+                if (err) console.error(err);
+            }) 
+        }
+        else {
+            fs.writeFile(outfile, buf, function(err) {
+                if (err) console.error(err);
+            })
             if (verbose) {
-                console.error(bytes + ' bytes written to ' + outfile
+                console.error(buf.length + ' bytes written to ' + outfile
                     + ' (' + (time / 1000).toFixed(2) + ' seconds)'
                 );
             }
-        });
+        }
     });
+    
+    var time = 0;
+    w.on('time', function (t) { time = t });
 }