code: function() {
  					var result = false;
  					that.model.getRoot(function(root) {
  						if (root.children && root.children.length > 1) {
  							var selection = root.children.filter(function(item) {
  								return mGitUtil.isStaged(item);
  							});
  							result = selection.length === Math.max(0, root.children.length - 1);
  						}
  					});
  					return result;
  				}
docs: $NON-NLS-0$