Test fixes.

src/NzbDrone.Mono/Disk/DiskProvider.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Text;
 using Mono.Unix;
 using Mono.Unix.Native;
 using NLog;
@@ -33,11 +34,35 @@ public DiskProvider(IProcMountProvider procMountProvider, ISymbLinkResolver symL
 
         public override IMount GetMount(string path)
         {
-            path = _symLinkResolver.GetCompletePath(path);
+		if (path == null) return null;
+
+		try
+		{
+			string[] dirs;
+			int lastIndex;
+			GetPathComponents(path, out dirs, out lastIndex);
+
+			var realPath = new StringBuilder();
+			if (dirs.Length > 0)
+			{
+				var dir = UnixPath.IsPathRooted(path) ? "/" : "";
+				dir += dirs[0];
+				realPath.Append(GetRealPath(dir));
+			}
+			for (var i = 1; i < lastIndex; ++i)
+			{
+				realPath.Append("/").Append(dirs[i]);
+				var realSubPath = GetRealPath(realPath.ToString());
+				realPath.Remove(0, realPath.Length);
+				realPath.Append(realSubPath);
+			}
+			path = realPath.ToString();
+		}
+		catch (Exception ex)
+		{
+			_logger.Debug(ex, string.Format("Failed to check for symlinks in the path {0}", path));
+		}
 
-		_logger.Warn("Testing 123: {0}, {1}", _symLinkResolver, _symLinkResolver.GetType());
-			_logger.Debug("Testing");
-		Console.WriteLine($"Testing 123: {_symLinkResolver}, {_symLinkResolver.GetType()}");
             return base.GetMount(path);
         }
 
@@ -224,5 +249,65 @@ private uint GetGroupId(string group)
 
             
         }
+
+	private static void GetPathComponents(string path, out string[] components, out int lastIndex)
+	{
+		var dirs = path.Split(UnixPath.DirectorySeparatorChar);
+		var target = 0;
+		for (var i = 0; i < dirs.Length; ++i)
+		{
+			if (dirs[i] == "." || dirs[i] == string.Empty)
+			{
+				continue;
+			}
+
+			if (dirs[i] == "..")
+			{
+				if (target != 0)
+				{
+					target--;
+				}
+				else
+				{
+					target++;
+				}
+			}
+			else
+			{
+				dirs[target++] = dirs[i];
+			}
+		}
+		components = dirs;
+		lastIndex = target;
+	}
+
+	public string GetRealPath(string path)
+	{
+		do
+		{
+			var link = UnixPath.TryReadLink(path);
+
+			if (link == null)
+			{
+				var errno = Stdlib.GetLastError();
+				if (errno != Errno.EINVAL)
+				{
+					_logger.Trace("Checking path {0} for symlink returned error {1}, assuming it's not a symlink.", path, errno);
+				}
+
+				return path;
+			}
+
+			if (UnixPath.IsPathRooted(link))
+			{
+				path = link;
+			}
+			else
+			{
+				path = UnixPath.GetDirectoryName(path) + UnixPath.DirectorySeparatorChar + link;
+				path = UnixPath.GetCanonicalPath(path);
+			}
+		} while (true);
+	}
     }
 }