Git diff

git-diff

Compare with working directory or index

Return changes in working directory

Git

$ git diff

LibGit2Sharp

using (var repo = new Repository("path/to/your/repo"))
{
    foreach (TreeEntryChanges c in repo.Diff.Compare())
    {
        Console.WriteLine(c));
    }
}

Return changes in index

Git

$ git diff --cached

LibGit2Sharp

using (var repo = new Repository("path/to/your/repo"))
{
    foreach (TreeEntryChanges c in repo.Diff.Compare(repo.Head.Tip.Tree,
                                                  DiffTargets.Index))
    {
        Console.WriteLine(c));
    }
}

Return changes in index and working directory

Git

$ git diff HEAD

LibGit2Sharp

using (var repo = new Repository("path/to/your/repo"))
{
    foreach (TreeEntryChanges c in repo.Diff.Compare(repo.Head.Tip.Tree,
                                                  DiffTargets.Index | DiffTargets.WorkingDirectory))
    {
        Console.WriteLine(c));
    }
}