From 8a78e21416737068ec27b95233e627262797153e Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Fri, 19 Jun 2026 14:59:36 +0100
Subject: [PATCH] Enhance tar format detection to accept checksum-validated V7
 headers

---
 Aaru.Archives/Tar/Info.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Aaru.Archives/Tar/Info.cs b/Aaru.Archives/Tar/Info.cs
index 79baad582..a17db1744 100644
--- a/Aaru.Archives/Tar/Info.cs
+++ b/Aaru.Archives/Tar/Info.cs
@@ -50,8 +50,8 @@ public sealed partial class Tar
 
         TarFormat format = DetectFormat(header);
 
-        // Only identify by magic, not by filename or checksum-only heuristics
-        return format is TarFormat.Ustar or TarFormat.Gnu or TarFormat.Star;
+        // Accept checksum-validated V7 headers, but still reject unrecognized no-magic headers.
+        return format is TarFormat.Ustar or TarFormat.Gnu or TarFormat.Star or TarFormat.V7Recognized;
     }
 
     /// <inheritdoc />