Fix NormalScan test with SetupProcess

NormalScan test needs the files scanned to be added to the ScanOptions.
This was not being done. This information can be obtained from the
process-ps-plog output:

    process-ps-plog:scan:/full/path/to/file

Mono.Addins/Mono.Addins.Database/ProcessProgressStatus.cs

@@ -108,6 +108,11 @@ static string Decode (string msg)
 		}
 
 		public static void MonitorProcessStatus (IProgressStatus monitor, TextReader reader, StringCollection progessLog)
+		{
+			MonitorProcessStatus (monitor, reader, progessLog, null);
+		}
+
+		internal static void MonitorProcessStatus (IProgressStatus monitor, TextReader reader, StringCollection progessLog, AddinFileSystemExtension fileSystemExtension)
 		{
 			string line;
 			string exceptionText = null;
@@ -145,7 +150,13 @@ public static void MonitorProcessStatus (IProgressStatus monitor, TextReader rea
 							monitor.Cancel ();
 							break;
 						case "process-ps-plog":
-							progessLog.Add (Decode (txt));
+							string decodedText = Decode (txt);
+							progessLog.Add (decodedText);
+							if (fileSystemExtension != null && decodedText.StartsWith("scan:", StringComparison.OrdinalIgnoreCase))
+							{
+								string file = decodedText.Substring(5);
+								fileSystemExtension.OpenFile (file);
+							}
 							break;
 						default:
 							wasTag = false;

Mono.Addins/Mono.Addins.Database/SetupProcess.cs

@@ -45,7 +45,7 @@ public void Scan (IProgressStatus monitor, AddinRegistry registry, string scanFo
 		{
 			var data = new List<string> (context.Write ());
 
-			ExecuteCommand (monitor, registry.RegistryPath, registry.StartupDirectory, registry.DefaultAddinsFolder, registry.AddinCachePath, "scan", scanFolder, data);
+			ExecuteCommand (monitor, registry.RegistryPath, registry.StartupDirectory, registry.DefaultAddinsFolder, registry.AddinCachePath, "scan", scanFolder, data, context.FileSystemExtension);
 		}
 
 		public void GenerateScanDataFiles (IProgressStatus monitor, AddinRegistry registry, string scanFolder, bool recursive)
@@ -58,7 +58,7 @@ public void GetAddinDescription (IProgressStatus monitor, AddinRegistry registry
 			ExecuteCommand (monitor, registry.RegistryPath, registry.StartupDirectory, registry.DefaultAddinsFolder, registry.AddinCachePath, "get-desc", file, new List<string> { outFile });
 		}
 
-		internal static void ExecuteCommand (IProgressStatus monitor, string registryPath, string startupDir, string addinsDir, string databaseDir, string name, string arg1, List<string> data)
+		internal static void ExecuteCommand (IProgressStatus monitor, string registryPath, string startupDir, string addinsDir, string databaseDir, string name, string arg1, List<string> data, AddinFileSystemExtension fileSystemExtension = null)
 		{
 			string verboseParam = monitor.LogLevel.ToString ();
 
@@ -104,7 +104,7 @@ internal static void ExecuteCommand (IProgressStatus monitor, string registryPat
 				process.StandardInput.Flush ();
 
 				StringCollection progessLog = new StringCollection ();
-				ProcessProgressStatus.MonitorProcessStatus (monitor, process.StandardOutput, progessLog);
+				ProcessProgressStatus.MonitorProcessStatus (monitor, process.StandardOutput, progessLog, fileSystemExtension);
 				process.WaitForExit ();
 				if (process.ExitCode != 0)
 					throw new ProcessFailedException (progessLog);