From bbb3e91a44fde7bdb3d179e27afdaa4b08fa74ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jes=C3=BAs=20Legan=C3=A9s=20Combarro=20=22piranna?=
 <piranna@gmail.com>
Date: Tue, 19 Apr 2016 14:52:43 +0200
Subject: [PATCH] Ensure packed symlinks have size zero as required by GNU
 `tar`

---
 pack.js      | 2 +-
 test/pack.js | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/pack.js b/pack.js
index 4671393..025f007 100644
--- a/pack.js
+++ b/pack.js
@@ -117,7 +117,7 @@ Pack.prototype.entry = function (header, buffer, callback) {
 
   var self = this
 
-  if (!header.size) header.size = 0
+  if (!header.size || header.type === 'symlink') header.size = 0
   if (!header.type) header.type = modeToType(header.mode)
   if (!header.mode) header.mode = header.type === 'directory' ? DMODE : FMODE
   if (!header.uid) header.uid = 0
diff --git a/test/pack.js b/test/pack.js
index 55817e0..49f7a90 100644
--- a/test/pack.js
+++ b/test/pack.js
@@ -110,7 +110,8 @@ test('types', function (t) {
     uname: 'maf',
     gname: 'staff',
     uid: 501,
-    gid: 20
+    gid: 20,
+    size: 9  // Should convert to zero
   })
 
   pack.finalize()