gistfile1.cs

public class DiffTreePort
{
    private bool recursive;

    public void AddTree(AbstractTreeIterator c)
    {
        trees.Add(c);
    }

    private List<AbstractTreeIterator> trees = new List<AbstractTreeIterator>();
    private TreeFilter pathFilter = TreeFilter.ALL;

    public void run(Repository db)
    {
        TreeWalk walk = new TreeWalk(db);
        walk.reset();
        walk.Recursive = recursive;

        foreach (AbstractTreeIterator i in trees)
            walk.addTree(i);

        walk.setFilter(AndTreeFilter.create(TreeFilter.ANY_DIFF, pathFilter));

        int nTree = walk.getTreeCount();
        while (walk.next())
        {

            for (int i = 1; i < nTree; i++)
                Console.Write(':');

            for (int i = 0; i < nTree; i++)
            {
                FileMode m = walk.getFileMode(i);
                String s = m.ToString();
                for (int pad = 6 - s.Length; pad > 0; pad--)
                    Console.Write('0');
                Console.Write(s);
                Console.Write(' ');
            }

            for (int i = 0; i < nTree; i++)
            {
                var name = walk.getObjectId(i).Name;

                Console.Write(name);
                Console.Write(' ');
            }

            char chg = 'M';
            if (nTree == 2)
            {
                int m0 = walk.getRawMode(0);
                int m1 = walk.getRawMode(1);
                if (m0 == 0 && m1 != 0)
                    chg = 'A';
                else if (m0 != 0 && m1 == 0)
                    chg = 'D';
                else if (m0 != m1 && walk.idEqual(0, 1))
                    chg = 'T';

            }
            Console.Write(chg);

            var path = walk.getPathString();

            Console.Write('\t');
            Console.Write(path);
            Console.WriteLine();
        }
    }
}