// Copyright 2020 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 clap::ArgGroup;use jj_lib::rewrite::rebase_to_dest_parent;use tracing::instrument; use crate::cli_util::{CommandHelper, RevisionArg};use crate::command_error::CommandError;use crate::diff_util::{self, DiffFormatArgs};use crate::ui::Ui; /// Compare the changes of two commits////// This excludes changes from other commits by temporarily rebasing `--from`/// onto `--to`'s parents. If you wish to compare the same change across/// versions, consider `jj obslog -p` instead.#[derive(clap::Args, Clone, Debug)]#[command(group(ArgGroup::new("to_diff").args(&["from", "to"]).multiple(true).required(true)))]pub(crate) struct InterdiffArgs {    /// Show changes from this revision    #[arg(long)]    from: Option<RevisionArg>,    /// Show changes to this revision    #[arg(long)]    to: Option<RevisionArg>,    /// Restrict the diff to these paths    #[arg(value_hint = clap::ValueHint::AnyPath)]    paths: Vec<String>,    #[command(flatten)]    format: DiffFormatArgs,} #[instrument(skip_all)]pub(crate) fn cmd_interdiff(    ui: &mut Ui,    command: &CommandHelper,    args: &InterdiffArgs,) -> Result<(), CommandError> {    let workspace_command = command.workspace_helper(ui)?;    let from = workspace_command.resolve_single_rev(args.from.as_deref().unwrap_or("@"))?;    let to = workspace_command.resolve_single_rev(args.to.as_deref().unwrap_or("@"))?;     let from_tree = rebase_to_dest_parent(workspace_command.repo().as_ref(), &from, &to)?;    let to_tree = to.tree()?;    let matcher = workspace_command.matcher_from_values(&args.paths)?;    let diff_formats = diff_util::diff_formats_for(command.settings(), &args.format)?;    ui.request_pager();    diff_util::show_diff(        ui,        ui.stdout_formatter().as_mut(),        &workspace_command,        &from_tree,        &to_tree,        matcher.as_ref(),        &diff_formats,    )}