Extended CopyDirectory to allow providing an array of sub-directories to ignore when copying

Utilities.Cake

public void CopyDirectory(string source, string destination, string[] subdirsToIgnore)
{
	// Get the subdirectories for the specified directory.
	var dir = new DirectoryInfo(source);
	var dirs = dir.GetDirectories();

	if (!dir.Exists)
	{
		throw new DirectoryNotFoundException(
			"Source directory does not exist or could not be found: "
			+ source);
	}

	// If the destination directory doesn't exist, create it. 
	if (!Directory.Exists(destination))
	{
		Directory.CreateDirectory(destination);
	}

	// Get the files in the directory and copy them to the new location.
	var files = dir.GetFiles();
	foreach (var file in files)
	{
		var temppath = System.IO.Path.Combine(destination, file.Name);
		file.CopyTo(temppath, false);
	}

	// Copy all of the subdirectories
	foreach (var subdir in dirs)
	{
        if (Array.IndexOf(subdirsToIgnore, subdir.Name) >= 0) 
        {
            continue;
        }
        
		var temppath = System.IO.Path.Combine(destination, subdir.Name);
		CopyDirectory(subdir.FullName, temppath);
	}
}