enhance: force enable --patch option

Author: love-linger

src/Commands/Diff.cs

@@ -24,9 +24,9 @@ public Diff(string repo, Models.DiffOption opt, int unified, bool ignoreWhitespa
             Context = repo;
 
             if (ignoreWhitespace)
-                Args = $"diff --ignore-cr-at-eol --ignore-all-space --unified={unified} {opt}";
+                Args = $"diff --patch --ignore-cr-at-eol --ignore-all-space --unified={unified} {opt}";
             else
-                Args = $"diff --ignore-cr-at-eol --unified={unified} {opt}";
+                Args = $"diff --patch --ignore-cr-at-eol --unified={unified} {opt}";
         }
 
         public Models.DiffResult Result()