From b32e9b6b39c15889d31d4d328e1b66cdf944ed27 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jes=C3=BAs=20Legan=C3=A9s=20Combarro=20=22piranna?=
 <piranna@gmail.com>
Date: Sun, 11 Oct 2015 19:28:28 +0200
Subject: [PATCH] Allow to stream symlink location if 'linkname' header field
 is not defined

---
 pack.js | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/pack.js b/pack.js
index c9aade5..9b46127 100644
--- a/pack.js
+++ b/pack.js
@@ -112,15 +112,40 @@ Pack.prototype.entry = function(header, buffer, callback) {
     process.nextTick(callback)
     return new Void()
   }
+
+  if (header.type === 'symlink' && !header.linkname) {
+    var stream = new Writable
+    var linkname = ''
+
+    stream._write = function(data, enc, cb)
+    {
+      linkname += data
+      cb()
+    }
+    eos(stream, function(err)
+    {
+      if (err) { // stream was closed
+        self.destroy()
+        return callback(err)
+      }
+
+      header.linkname = linkname
+      self._encode(header)
+      callback()
+    })
+
+    return stream
+  }
+
+  this._encode(header)
+
   if (header.type !== 'file' && header.type !== 'contigious-file') {
-    this._encode(header)
     process.nextTick(callback)
     return new Void()
   }
 
   var sink = new Sink(this)
 
-  this._encode(header)
   this._stream = sink
 
   eos(sink, function(err) {