skip dotfiles in history and model folders

for #1112

Author: mcmonkey4eva

src/Text2Image/T2IModelHandler.cs

@@ -757,12 +757,18 @@ public void AddAllFromFolder(string pathBase, string folder)
         }
         Parallel.ForEach(Directory.EnumerateDirectories(actualFolder), subfolder =>
         {
-            string path = $"{prefix}{subfolder.Replace('\\', '/').AfterLast('/')}";
-            if (path.AfterLast('/') == ".git")
+            string simpleName = subfolder.Replace('\\', '/').AfterLast('/');
+            string path = $"{prefix}{simpleName}";
+            if (simpleName == ".git")
             {
                 Logs.Warning($"You have a .git folder in your {ModelType} model folder '{pathBase}/{path}'! That's not supposed to be there.");
                 return;
             }
+            if (simpleName.StartsWithFast('.'))
+            {
+                Logs.Verbose($"[Model Scan] Skipping hidden folder {subfolder}");
+                return;
+            }
             try
             {
                 AddAllFromFolder(pathBase, path);
@@ -780,6 +786,11 @@ public void AddAllFromFolder(string pathBase, string folder)
         {
             string fixedFileName = file.Replace('\\', '/');
             string fn = fixedFileName.AfterLast('/');
+            if (fn.StartsWithFast('.'))
+            {
+                Logs.Verbose($"[Model Scan] Skipping hidden file {fixedFileName}");
+                return;
+            }
             string fullFilename = $"{prefix}{fn}";
             if (Models.TryGetValue(fullFilename, out T2IModel existingModel))
             {

src/WebAPI/T2IAPI.cs

@@ -536,6 +536,10 @@ void addDirs(string dir, int subDepth)
                         IEnumerable<string> subDirs = Directory.EnumerateDirectories(actualPath).Select(Path.GetFileName).OrderDescending();
                         foreach (string subDir in subDirs)
                         {
+                            if (subDir.StartsWithFast('.'))
+                            {
+                                continue;
+                            }
                             string subPath = dir == "" ? subDir : $"{dir}/{subDir}";
                             if (isAllowed(subPath))
                             {
@@ -606,7 +610,7 @@ void sortList(List<ImageHistoryHelper> list)
                     return;
                 }
                 List<string> subFiles = [.. Directory.EnumerateFiles(actualPath).Take(localLimit)];
-                IEnumerable<string> newFileNames = subFiles.Where(isAllowed).Where(f => extensions.Contains(f.AfterLast('.')) && !f.EndsWith(".swarmpreview.jpg") && !f.EndsWith(".swarmpreview.webp")).Select(f => f.Replace('\\', '/'));
+                IEnumerable<string> newFileNames = subFiles.Select(f => f.Replace('\\', '/')).Where(isAllowed).Where(f => !f.AfterLast('/').StartsWithFast('.') && extensions.Contains(f.AfterLast('.')) && !f.EndsWith(".swarmpreview.jpg") && !f.EndsWith(".swarmpreview.webp"));
                 List<ImageHistoryHelper> localFiles = [.. newFileNames.Select(f => new ImageHistoryHelper(prefix + f.AfterLast('/'), OutputMetadataTracker.GetMetadataFor(f, root, starNoFolders))).Where(f => f.Metadata is not null)];
                 int leftOver = Interlocked.Add(ref remaining, -localFiles.Count);
                 sortList(localFiles);