Fixed: Skip Flat Extra Files (Plex Naming) on Import

Fixes #3914

src/NzbDrone.Core.Test/MediaFiles/DiskScanServiceTests/ScanFixture.cs

@@ -422,6 +422,24 @@ namespace NzbDrone.Core.Test.MediaFiles.DiskScanServiceTests
                   .Verify(v => v.GetImportDecisions(It.Is<List<string>>(l => l.Count == 2), _series, false), Times.Once());
         }
 
+        [Test]
+        public void should_exclude_inline_extra_files()
+        {
+            GivenSeriesFolder();
+
+            GivenFiles(new List<string>
+                       {
+                           Path.Combine(_series.Path, "Series Title S01E01.mkv").AsOsAgnostic(),
+                           Path.Combine(_series.Path, "Deleted Scenes-deleted.mkv").AsOsAgnostic(),
+                           Path.Combine(_series.Path, "The World of Pandora-other.mkv").AsOsAgnostic()
+                       });
+
+            Subject.Scan(_series);
+
+            Mocker.GetMock<IMakeImportDecision>()
+                  .Verify(v => v.GetImportDecisions(It.Is<List<string>>(l => l.Count == 1), _series), Times.Once());
+        }
+
         [Test]
         public void should_exclude_osx_metadata_files()
         {

src/NzbDrone.Core/MediaFiles/DiskScanService.cs

@@ -71,6 +71,7 @@ namespace NzbDrone.Core.MediaFiles
 
         private static readonly Regex ExcludedExtrasSubFolderRegex = new Regex(@"(?:\\|\/|^)(?:extras|extrafanart|behind the scenes|deleted scenes|featurettes|interviews|scenes|samples|shorts|trailers)(?:\\|\/)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
         private static readonly Regex ExcludedSubFoldersRegex = new Regex(@"(?:\\|\/|^)(?:@eadir|\.@__thumb|plex versions|\.[^\\/]+)(?:\\|\/)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        private static readonly Regex ExcludedExtraFilesRegex = new Regex(@"(-(trailer|other|behindthescenes|deleted|featurette|interview|scene|short)\.[^.]+$)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
         private static readonly Regex ExcludedFilesRegex = new Regex(@"^\._|^Thumbs\.db$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         public void Scan(Series series)
@@ -226,7 +227,9 @@ namespace NzbDrone.Core.MediaFiles
 
             if (filterExtras)
             {
-                filteredPaths = filteredPaths.Where(path => !ExcludedExtrasSubFolderRegex.IsMatch(basePath.GetRelativePath(path))).ToList();
+                filteredPaths = filteredPaths.Where(path => !ExcludedExtrasSubFolderRegex.IsMatch(basePath.GetRelativePath(path)))
+                                             .Where(path => !ExcludedExtraFilesRegex.IsMatch(Path.GetFileName(path)))
+                                             .ToList();
             }
 
             return filteredPaths;