Improved debug output. Added a todo.

GitTfs/Commands/FcOptions.cs

@@ -1,4 +1,5 @@
 using System.ComponentModel;
+using System.Diagnostics;
 using CommandLine.OptParse;
 using Sep.Git.Tfs.Util;
 
@@ -40,13 +41,35 @@ namespace Sep.Git.Tfs.Commands
 // I don't know what this is
 //        public int LogWindowSize { get; set; }
 //        public bool NoCheckout { get; set; }
-        
-        [OptDef(OptValType.IncrementalFlag)]
-        [ShortOptionName('q')]
-        [LongOptionName("quiet")]
+
+        private int? _debugTraceListener;
+
+        [OptDef(OptValType.Flag)]
+        [ShortOptionName('d')]
+        [LongOptionName("debug")]
         [UseNameAsLongOption(false)]
-        [Description("Reduce the amount of logged information.")]
-        public int OutputLevel { get; set; }
+        [Description("Show lots of output.")]
+        public bool DebugOutput
+        {
+            get { return _debugTraceListener.HasValue; }
+            set
+            {
+                if (value)
+                {
+                    if (_debugTraceListener == null)
+                    {
+                        _debugTraceListener = Trace.Listeners.Add(new ConsoleTraceListener());
+                    }
+                }
+                else
+                {
+                    if (_debugTraceListener != null)
+                    {
+                        Trace.Listeners.RemoveAt(_debugTraceListener.Value);
+                    }
+                }
+            }
+        }
 
         // I think I'm going to make these the default. I may allow their disablement
         // later.

GitTfs/Core/GitHelpers.cs

@@ -116,11 +116,19 @@ namespace Sep.Git.Tfs.Core
             initialize(startInfo);
             Trace.WriteLine("Starting process: " + startInfo.FileName + " " + startInfo.Arguments, "git command");
             var process = Process.Start(startInfo);
-            process.ErrorDataReceived += (sender, e) => Trace.WriteLine(e.Data, "git stderr");
+            process.ErrorDataReceived += StdErrReceived;
             process.BeginErrorReadLine();
             return process;
         }
 
+        private void StdErrReceived(object sender, DataReceivedEventArgs e)
+        {
+            if(e.Data != null && e.Data.Trim() != "")
+            {
+                Trace.WriteLine(e.Data.TrimEnd(), "git stderr");
+            }
+        }
+
         /// <summary>
         /// WrapGitCommandErrors the actions, and if there are any git exceptions, rethrow a new exception with the given message.
         /// </summary>

GitTfs/Core/TfsHelper.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Net;
 using Microsoft.TeamFoundation.Client;
@@ -78,6 +79,7 @@ namespace Sep.Git.Tfs.Core
 
         public IEnumerable<ITfsChangeset> GetChangesets(string path, long startVersion)
         {
+            Trace.WriteLine("Getting changesets from " + startVersion + " to current ...", "tfs");
             var changesets = VersionControl.QueryHistory(path, VersionSpec.Latest, 0, RecursionType.Full,
                                         null, new ChangesetVersionSpec((int) startVersion), VersionSpec.Latest, int.MaxValue, true,
                                         true, true);

TODO

@@ -34,4 +34,7 @@ The commands I plan to implement, in order of priority:
   migrate ?
 
 Known bugs:
- None right now.
+  None right now.
+
+Potential enhancements:
+  Query history in chunks, either in a background thread or just with 100 changeset chunks, in order to speed up the initial output from a fetch.