From d961c6b03fac0897067028c5507011e7e85cff30 Mon Sep 17 00:00:00 2001
From: Eashwar Ranganathan <eashwar@eashwar.com>
Date: Fri, 21 Nov 2025 10:41:27 -0500
Subject: [PATCH] Initialize headers by default to EntryType::Regular

---
 src/entry_type.rs | 8 ++++++--
 src/header.rs     | 2 ++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/entry_type.rs b/src/entry_type.rs
index f7773552..6f81591a 100644
--- a/src/entry_type.rs
+++ b/src/entry_type.rs
@@ -5,6 +5,8 @@
 /// distinguish between types of content.
 #[derive(Clone, Copy, PartialEq, Eq, Debug)]
 pub enum EntryType {
+    /// Legacy Regular file
+    LegacyRegular,
     /// Regular file
     Regular,
     /// Hard link
@@ -47,7 +49,8 @@ impl EntryType {
     /// appropriate to create a file type from.
     pub fn new(byte: u8) -> EntryType {
         match byte {
-            b'\x00' | b'0' => EntryType::Regular,
+            b'\x00' => EntryType::LegacyRegular,
+            b'0' => EntryType::Regular,
             b'1' => EntryType::Link,
             b'2' => EntryType::Symlink,
             b'3' => EntryType::Char,
@@ -67,6 +70,7 @@ impl EntryType {
     /// Returns the raw underlying byte that this entry type represents.
     pub fn as_byte(&self) -> u8 {
         match *self {
+            EntryType::LegacyRegular => b'\x00',
             EntryType::Regular => b'0',
             EntryType::Link => b'1',
             EntryType::Symlink => b'2',
@@ -126,7 +130,7 @@ impl EntryType {
 
     /// Returns whether this type represents a regular file.
     pub fn is_file(&self) -> bool {
-        self == &EntryType::Regular
+        matches!(self, &EntryType::Regular | &EntryType::LegacyRegular)
     }
 
     /// Returns whether this type represents a hard link.
diff --git a/src/header.rs b/src/header.rs
index fd4a1deb..da308d6e 100644
--- a/src/header.rs
+++ b/src/header.rs
@@ -160,6 +160,7 @@ impl Header {
             gnu.magic = *b"ustar ";
             gnu.version = *b" \0";
         }
+        header.set_entry_type(EntryType::Regular);
         header.set_mtime(0);
         header
     }
@@ -180,6 +181,7 @@ impl Header {
             gnu.magic = *b"ustar\0";
             gnu.version = *b"00";
         }
+        header.set_entry_type(EntryType::Regular);
         header.set_mtime(0);
         header
     }