Fixed a bug in DiskProvider where it wouldn't copy subfolders properly.

NzbDrone.Common.Test/DiskProviderTests.cs

@@ -35,11 +35,7 @@ namespace NzbDrone.Common.Test
             diskProvider.CopyDirectory(BinFolder.FullName, BinFolderCopy.FullName);
 
             //Assert
-            BinFolder.Refresh();
-            BinFolderCopy.Refresh();
-
-            BinFolder.GetFiles("*.*", SearchOption.AllDirectories)
-                .Should().HaveSameCount(BinFolderCopy.GetFiles("*.*", SearchOption.AllDirectories));
+            VerifyCopy();
         }
 
         [Test]
@@ -51,16 +47,24 @@ namespace NzbDrone.Common.Test
             diskProvider.CopyDirectory(BinFolder.FullName, BinFolderCopy.FullName);
 
             //Delete Random File
-            BinFolderCopy.GetFiles().First().Delete();
+            BinFolderCopy.Refresh();
+            BinFolderCopy.GetFiles("*.*", SearchOption.AllDirectories).First().Delete();
 
             diskProvider.CopyDirectory(BinFolder.FullName, BinFolderCopy.FullName);
 
             //Assert
+            VerifyCopy();
+        }
+
+        private void VerifyCopy()
+        {
             BinFolder.Refresh();
             BinFolderCopy.Refresh();
 
-            BinFolder.GetFiles("*.*", SearchOption.AllDirectories)
-                .Should().HaveSameCount(BinFolderCopy.GetFiles("*.*", SearchOption.AllDirectories));
+            BinFolderCopy.GetFiles("*.*", SearchOption.AllDirectories)
+               .Should().HaveSameCount(BinFolder.GetFiles("*.*", SearchOption.AllDirectories));
+
+            BinFolderCopy.GetDirectories().Should().HaveSameCount(BinFolder.GetDirectories());
         }
     }
 }

NzbDrone.Common/DiskProvider.cs

@@ -67,7 +67,12 @@ namespace NzbDrone.Common
                 targetFolder.Create();
             }
 
-            foreach (var file in sourceFolder.GetFiles("*.*", SearchOption.AllDirectories))
+            foreach (var subDir in sourceFolder.GetDirectories())
+            {
+                CopyDirectory(subDir.FullName, Path.Combine(target, subDir.Name));
+            }
+
+            foreach (var file in sourceFolder.GetFiles("*.*", SearchOption.TopDirectoryOnly))
             {
                 var destFile = Path.Combine(target, file.Name);
                 file.CopyTo(destFile, true);