GitUI.RevisionGrid.SelectInitialRevision C# (CSharp) Метод

        private void SelectInitialRevision()
        {
            string filtredCurrentCheckout = _filtredCurrentCheckout;
            string[] lastSelectedRows = LastSelectedRows ?? new string[0];

            //filter out all unavailable commits from LastSelectedRows.
            lastSelectedRows = lastSelectedRows.Where(revision => FindRevisionIndex(revision) >= 0).ToArray();

            if (lastSelectedRows.Any())
            {
                Revisions.SelectedIds = lastSelectedRows;
                LastSelectedRows = null;
            }
            else
            {
                if (!string.IsNullOrEmpty(_initialSelectedRevision))
                {
                    int index = SearchRevision(_initialSelectedRevision);
                    if (index >= 0)
                        SetSelectedIndex(index);
                }
                else
                {
                    SetSelectedRevision(filtredCurrentCheckout);
                }
            }

            if (string.IsNullOrEmpty(filtredCurrentCheckout))
                return;

            if (!Revisions.IsRevisionRelative(filtredCurrentCheckout))
            {
                HighlightBranch(filtredCurrentCheckout);
            }
        }