Added more logging when free disk space check fails on import

NzbDrone.Core/MediaFiles/EpisodeImport/Specifications/FreeSpaceSpecification.cs

@@ -1,4 +1,5 @@
-using System.IO;
+using System;
+using System.IO;
 using System.Linq;
 using NLog;
 using NzbDrone.Common;
@@ -22,16 +23,24 @@ namespace NzbDrone.Core.MediaFiles.EpisodeImport.Specifications
 
         public bool IsSatisfiedBy(LocalEpisode localEpisode)
         {
-            var path = Directory.GetParent(localEpisode.Series.Path);
-            var freeSpace = _diskProvider.GetAvilableSpace(path.FullName);
+            try
+            {
+                var path = Directory.GetParent(localEpisode.Series.Path);
+                var freeSpace = _diskProvider.GetAvilableSpace(path.FullName);
+
+                if (freeSpace < localEpisode.Size + 100.Megabytes())
+                {
+                    _logger.Warn("Not enough free space to import: {0}", localEpisode);
+                    return false;
+                }
 
-            if (freeSpace < localEpisode.Size + 100.Megabytes())
+                return true;
+            }
+            catch (Exception ex)
             {
-                _logger.Warn("Not enough free space to import: {0}", localEpisode);
-                return false;
+                _logger.ErrorException("Unable to check free disk space while importing: " + localEpisode.Path, ex);
+                throw;
             }
-
-            return true;
         }
     }
 }