// 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 jj_lib::fileset;use jj_lib::fileset::FilesetDiagnostics; use crate::cli_util::CommandHelper;use crate::command_error::print_parse_diagnostics;use crate::command_error::CommandError;use crate::ui::Ui; /// Parse fileset expression#[derive(clap::Args, Clone, Debug)]pub struct DebugFilesetArgs {    #[arg(value_hint = clap::ValueHint::AnyPath)]    path: String,} pub fn cmd_debug_fileset(    ui: &mut Ui,    command: &CommandHelper,    args: &DebugFilesetArgs,) -> Result<(), CommandError> {    let workspace_command = command.workspace_helper(ui)?;    let path_converter = workspace_command.path_converter();     let mut diagnostics = FilesetDiagnostics::new();    let expression = fileset::parse_maybe_bare(&mut diagnostics, &args.path, path_converter)?;    print_parse_diagnostics(ui, "In fileset expression", &diagnostics)?;    writeln!(ui.stdout(), "-- Parsed:")?;    writeln!(ui.stdout(), "{expression:#?}")?;    writeln!(ui.stdout())?;     let matcher = expression.to_matcher();    writeln!(ui.stdout(), "-- Matcher:")?;    writeln!(ui.stdout(), "{matcher:#?}")?;    Ok(())}