// Copyright 2023 The Jujutsu Authors//// Licensed under the Apache License, Version 2.0 (the "License");// you may not use this file except in compliance with the License.// You may obtain a copy of the License at//// https://www.apache.org/licenses/LICENSE-2.0//// Unless required by applicable law or agreed to in writing, software// distributed under the License is distributed on an "AS IS" BASIS,// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.// See the License for the specific language governing permissions and// limitations under the License. use std::fmt::Debug;use std::io::Write as _; use clap_complete::ArgValueCandidates;use jj_lib::object_id::ObjectId as _;use jj_lib::op_walk; use crate::cli_util::CommandHelper;use crate::command_error::CommandError;use crate::complete;use crate::ui::Ui; /// Show information about an operation and its view#[derive(clap::Args, Clone, Debug)]pub struct DebugOperationArgs {    #[arg(default_value = "@", add = ArgValueCandidates::new(complete::operations))]    operation: String,    #[arg(long, value_enum, default_value = "all")]    display: OperationDisplay,} #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, clap::ValueEnum)]pub enum OperationDisplay {    /// Show only the operation details.    Operation,    /// Show the operation id only    Id,    /// Show only the view details    View,    /// Show both the view and the operation    All,} pub fn cmd_debug_operation(    ui: &mut Ui,    command: &CommandHelper,    args: &DebugOperationArgs,) -> Result<(), CommandError> {    // Resolve the operation without loading the repo, so this command can be used    // even if e.g. the view object is broken.    let workspace = command.load_workspace()?;    let repo_loader = workspace.repo_loader();    let op = op_walk::resolve_op_for_load(repo_loader, &args.operation)?;    if args.display == OperationDisplay::Id {        writeln!(ui.stdout(), "{}", op.id().hex())?;        return Ok(());    }    if args.display != OperationDisplay::View {        writeln!(ui.stdout(), "{:#?}", op.store_operation())?;    }    if args.display != OperationDisplay::Operation {        writeln!(ui.stdout(), "{:#?}", op.view()?.store_view())?;    }    Ok(())}