don't generate <DependsUpon> if in different folder

Author: marhoily

Generaid.Tests/Model.cs

@@ -12,7 +12,7 @@ public class CompanyGenerator : ITransformer
         public CompanyGenerator(Company company) { _company = company; }
         private readonly Company _company;
         public string Name =>
-            (_company.NeedSubfolder ? "companies/" : "")
+            (_company.NeedSubfolder ? @"companies\" : "")
             + _company.Name;
         public string TransformText() => _company.Name;
     }

Generaid/Internal/GenNode.cs

@@ -17,7 +17,16 @@ internal sealed class GenNode : INodeOwner
 
         int INodeOwner.Level => Owner.Level + 1;
         public string GeneratedDirName => Owner.GeneratedDirName;
-        public string DependentUpon => NodeOwner?.Name;
+        public string DependentUpon
+        {
+            get
+            {
+                if (NodeOwner == null) return null;
+                var ownerDir = _fs.Path.GetDirectoryName(NodeOwner.FullName);
+                var myDir = _fs.Path.GetDirectoryName(FullName);
+                return ownerDir != myDir ? null : NodeOwner.Name;
+            }
+        }
         public string FullName => GeneratedDirName + "\\" + Name;
 
         public GenNode(ITransformer transformer, IEnumerable<GenNode> nodes, IFileSystem fs)