private void fileTreeArchiveToolStripMenuItem_Click(object sender, EventArgs e)
{
var selectedRevisions = RevisionGrid.GetSelectedRevisions();
if (selectedRevisions.Count != 1)
{
MessageBox.Show("Select exactly one revision.");
return;
}
var gitItem = (GitItem)GitTree.SelectedNode.Tag;
UICommands.StartArchiveDialog(this, selectedRevisions.First(), null, gitItem.FileName);
}