don't traverse excluded folders to avoid PathTooLongException #156

src/Microsoft.DocAsCode.Glob/FileGlob.cs

@@ -46,18 +46,11 @@ private static IEnumerable<string> GetFilesFromSubfolder(string baseDirectory, s
             foreach (var dir in Directory.GetDirectories(baseDirectory, "*", SearchOption.TopDirectoryOnly))
             {
                 var relativePath = GetRelativeDirectoryPath(cwd, dir);
-
-                // For folder, exclude glob matches folder means nothing, e.g. **/a matches b/a folder, however, **/a does not match b/a/c file
-                foreach (var glob in globs)
+                if (IsDirectoryMatch(relativePath, globs, excludeGlobs))
                 {
-                    if (glob.Match(relativePath, true))
+                    foreach (var file in GetFilesFromSubfolder(dir, cwd, globs, excludeGlobs))
                     {
-                        foreach(var file in GetFilesFromSubfolder(dir, cwd, globs, excludeGlobs))
-                        {
-                            yield return file;
-                        }
-
-                        break;
+                        yield return file;
                     }
                 }
             }
@@ -84,14 +77,24 @@ private static string NormalizeToFullPath(string path)
         }
 
         private static bool IsFileMatch(string path, IEnumerable<GlobMatcher> globs, IEnumerable<GlobMatcher> excludeGlobs)
+        {
+            return IsMatch(path, globs, excludeGlobs, false);
+        }
+
+        private static bool IsDirectoryMatch(string path, IEnumerable<GlobMatcher> globs, IEnumerable<GlobMatcher> excludeGlobs)
+        {
+            return IsMatch(path, globs, excludeGlobs, true);
+        }
+
+        private static bool IsMatch(string path, IEnumerable<GlobMatcher> globs, IEnumerable<GlobMatcher> excludeGlobs, bool partial)
         {
             foreach (var exclude in excludeGlobs)
             {
                 if (exclude.Match(path, false)) return false;
             }
             foreach (var glob in globs)
             {
-                if (glob.Match(path, false)) return true;
+                if (glob.Match(path, partial)) return true;
             }
             return false;
         }