From 7f8372f6b57a15eda2e7ac1f8925e080891ff632 Mon Sep 17 00:00:00 2001
From: GadflyFang <gadfly@gadfly.vip>
Date: Mon, 3 Mar 2025 10:38:58 +0800
Subject: [PATCH] enhance: Handle file mode changes for new/deleted file
 (#1040)

---
 src/Commands/Diff.cs     | 12 ++++++++++++
 src/Models/DiffResult.cs | 14 +++++++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/Commands/Diff.cs b/src/Commands/Diff.cs
index da971e58..8ae6350f 100644
--- a/src/Commands/Diff.cs
+++ b/src/Commands/Diff.cs
@@ -68,6 +68,18 @@ namespace SourceGit.Commands
                 return;
             }
 
+            if (line.StartsWith("deleted file mode ", StringComparison.Ordinal))
+            {
+                _result.OldMode = line.Substring(18);
+                return;
+            }
+
+            if (line.StartsWith("new file mode ", StringComparison.Ordinal))
+            {
+                _result.NewMode = line.Substring(14);
+                return;
+            }
+
             if (_result.IsBinary)
                 return;
 
diff --git a/src/Models/DiffResult.cs b/src/Models/DiffResult.cs
index e0ae82e0..88992e10 100644
--- a/src/Models/DiffResult.cs
+++ b/src/Models/DiffResult.cs
@@ -681,6 +681,18 @@ namespace SourceGit.Models
         public TextDiff TextDiff { get; set; } = null;
         public LFSDiff LFSDiff { get; set; } = null;
 
-        public string FileModeChange => string.IsNullOrEmpty(OldMode) ? string.Empty : $"{OldMode} → {NewMode}";
+        public string FileModeChange
+        {
+            get
+            {
+                if (string.IsNullOrEmpty(OldMode) && string.IsNullOrEmpty(NewMode))
+                    return string.Empty;
+
+                var oldDisplay = string.IsNullOrEmpty(OldMode) ? "0" : OldMode;
+                var newDisplay = string.IsNullOrEmpty(NewMode) ? "0" : NewMode;
+
+                return $"{oldDisplay} → {newDisplay}";
+            }
+        }
     }
 }