tfs_branch_graph.linq.cs

var tfsServer = new Uri("http://127.0.0.1:8080/tfs");
var branch = "$/Some Project";
var fromVersion = new ChangesetVersionSpec(1);
var toVersion = VersionSpec.Latest;

var tfs = TfsTeamProjectCollectionFactory
    .GetTeamProjectCollection(tfsServer);
 
tfs.EnsureAuthenticated();
 
var versionControl = tfs.GetService<VersionControlServer>();
 
//var history = versionControl.QueryHistory(branch, VersionSpec.Latest, 0, 
//    RecursionType.Full, null, fromVersion, toVersion, int.MaxValue, false, 
//    false, false);
// 
//history.Dump();

var r = versionControl.QueryRootBranchObjects(RecursionType.Full);
//r.Dump();

// GET BRANCHES

// From http://msdn.microsoft.com/en-us/library/bb138961.aspx
//public IEnumerable QueryHistory(
//	string path,
//	VersionSpec version,
//	int deletionId,
//	RecursionType recursion,
//	string user,
//	VersionSpec versionFrom,
//	VersionSpec versionTo,
//	int maxCount,
//	bool includeChanges,
//	bool slotMode,
//	bool includeDownloadInfo
//)
var s = from b in r
		let Changes = from c in versionControl.QueryHistory(b.Properties.RootItem.Item, VersionSpec.Latest, 0, RecursionType.Full, null, fromVersion, toVersion, int.MaxValue, false, false, false).OfType<Changeset>()
			orderby c.ChangesetId ascending
			select 
			new 
			{
				ChangesetId = c.ChangesetId,
				Comment = c.Comment,
				Committer = c.Committer,
				CommitterDisplayName = c.CommitterDisplayName,
				CreationDate = c.CreationDate
			}
		where b.Properties.RootItem.Item.Contains(branch)
		orderby b.Properties.RootItem.Item ascending // order by name
		select new { b, Changes};
		 
// Add row indexes
var s2 = s.Select((x, index) => new
		 {
		 	Id = index,
		 	Name = x.b.Properties.RootItem.Item,
			ParentName = x.b.Properties.ParentBranch == null ? "" : x.b.Properties.ParentBranch.Item, // root if null
			DateCreated = x.b.DateCreated,
			//Properties = x.b.Properties,
			Current = ((ChangesetVersionSpec)x.b.Properties.RootItem.Version).ChangesetId,
			Created = x.Changes.First().ChangesetId,
			Changes = x.Changes.ToList()
		 })
		 .ToList();
		 
// Link each row to it's parent 
var branches = s2.Select(x => new 
		{
		 	Id = x.Id,
		 	Name = x.Name,
			ParentName = x.ParentName,
			DateCreated = x.DateCreated,
			Current = x.Current,
			Created = x.Created,
			Changes = x.Changes,
			ParentId = s2.Where(y => y.Name == x.ParentName).Select(y => y.Id).FirstOrDefault()
		})
		.ToList()
		.OrderBy(x => x.ParentId) // Put in order of parents so that the graph works in a nice downwards waterfall way
		.ThenBy(x=> x.Created)
		.ThenBy(x=> x.Id)
		.ToList();

//branches.Dump();

var minChange = branches.SelectMany(x => x.Changes).Select(x => x.ChangesetId).Min();
var maxChange = branches.SelectMany(x => x.Changes).Select(x => x.ChangesetId).Max();

var sb = new StringBuilder();

sb.AppendFormat("Branch graph for {0} and {1}\r\n\r\n", minChange, maxChange);

sb.Append("                                                                                                     +++++----- ");
for(int i = minChange; i <= maxChange; i++)
	sb.AppendFormat("{0,5}", i);

sb.Append("\r\n");

foreach(var b in branches)
{
	sb.AppendFormat("{0,-100} {1,5}{2,5} ", b.Name, b.Changes.Select(x => x.ChangesetId).Min(), b.Changes.Select(x => x.ChangesetId).Max());
		
	for(int i = minChange; i <= maxChange; i++)
	{
		//Console.Write(string.Format("{0} {1} Min {2} Created {3} Current {4} Changesets {5}", b.Name, i, b.Changes.Select(x => x.ChangesetId).Min(), b.Created, b.Current, string.Join(",", b.Changes.Select(x => x.ChangesetId.ToString()).ToArray())));

		//Draw checkin
		var ch = b.Changes.Select(x => x.ChangesetId).ToArray();
		
		if (i >= b.Created && i <= b.Current) // this changeset is within this branch
		{
			if (ch.Min() == i)
			{
				//Console.WriteLine("is min");
				if (b.ParentId == 0)
					sb.Append("    ■");
				else
					sb.Append("    └");
			}
			else if (ch.Contains(i))
			{
				//Console.WriteLine("contains");
				// Changeset was committed in this branch
				sb.Append("────■");
			}
			else
			{
				//Console.WriteLine("within");
				
				if (branches.Any(br => br.Created == i&& br.ParentId != 00 && br.ParentId < b.Id && br.Id > b.Id))
				{
					sb.Append("────│");
				}
				else
				{
					if (branches.Any(br => br.Created == i&& br.ParentId != b.Id))
						sb.Append("────┬");
					else					
						sb.Append("─────");	
				}
			}
		}
		else
		{
			//Console.WriteLine("not in");
			//sb.Append("     ");
			if (branches.Any(br => br.Created == i && br.ParentId != 00 && br.ParentId < b.Id && br.Id > b.Id))
			{
				sb.Append("    │");
			}
			else
			{
				sb.Append("     ");
			}

		}
	}
	
	sb.Append("\r\n");
}

//Console.WriteLine(sb.ToString());
 System.IO.File.WriteAllText("c:\\test_graph.txt", sb.ToString());