GitUI.RevisionGrid.UpdateGraph C# (CSharp) Метод

        private void UpdateGraph(GitRevision rev)
        {
            if (rev == null)
            {
                // Prune the graph and make sure the row count matches reality
                Revisions.Prune();
                return;
            }

            if (_filtredCurrentCheckout == null)
            {
                if (rev.Guid == CurrentCheckout)
                {
                    _filtredCurrentCheckout = CurrentCheckout;
                }
                else
                {
                    if (_currentCheckoutParents == null)
                    {
                        _currentCheckoutParents = GetAllParents(CurrentCheckout);
                    }
                    _filtredCurrentCheckout = _currentCheckoutParents.FirstOrDefault(parent => parent == rev.Guid);
                }
            }
            string filtredCurrentCheckout = _filtredCurrentCheckout;

            if (filtredCurrentCheckout == rev.Guid && ShowUncommitedChanges())
            {
                CheckUncommitedChanged( filtredCurrentCheckout );
            }

            var dataType = DvcsGraph.DataType.Normal;
            if (rev.Guid == filtredCurrentCheckout)
                dataType = DvcsGraph.DataType.Active;
            else if (rev.Refs.Any())
                dataType = DvcsGraph.DataType.Special;

            Revisions.Add(rev.Guid, rev.ParentGuids, dataType, rev);
        }