From 290c61689c83ab58303e5bf1098534295a1193b8 Mon Sep 17 00:00:00 2001
From: Page- <pjgazzard@googlemail.com>
Date: Wed, 5 Jul 2023 16:38:39 +0100
Subject: [PATCH] Allow passing empty bodies for "void" headers (#159)

---
 pack.js      |  5 ++++-
 test/pack.js | 24 ++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/pack.js b/pack.js
index 6bbb369..ed64816 100644
--- a/pack.js
+++ b/pack.js
@@ -73,7 +73,10 @@ class Sink extends Writable {
     }
 
     if (this._isVoid) {
-      return cb(new Error('No body allowed for this entry'))
+      if (data.byteLength > 0) {
+        return cb(new Error('No body allowed for this entry'))
+      }
+      return cb()
     }
 
     this.written += data.byteLength
diff --git a/test/pack.js b/test/pack.js
index 0527c00..13f9a90 100644
--- a/test/pack.js
+++ b/test/pack.js
@@ -124,6 +124,30 @@ test('types', function (t) {
   }))
 })
 
+test('empty directory body is valid', function (t) {
+  t.plan(1)
+
+  const pack = tar.pack()
+
+  pack.entry({
+    name: 'directory',
+    mtime: new Date(1387580181000),
+    type: 'directory',
+    mode: 0o755,
+    uname: 'maf',
+    gname: 'staff',
+    uid: 501,
+    gid: 20
+  }, '')
+
+  pack.finalize()
+
+  pack.resume()
+
+  pack.on('error', () => t.fail('should not throw'))
+  pack.on('close', () => t.pass('closed'))
+})
+
 test('long-name', function (t) {
   t.plan(2)