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// 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 std::io::Write;
use jj_lib::object_id::ObjectId;
use tracing::instrument;
use crate::cli_util::{CommandError, CommandHelper, RevisionArg};
use crate::ui::Ui;
/// Edit a commit in the working copy
///
/// Puts the contents of a commit in the working copy for editing. Any changes
/// you make in the working copy will update (amend) the commit.
#[derive(clap::Args, Clone, Debug)]
pub(crate) struct EditArgs {
/// The commit to edit
revision: RevisionArg,
/// Ignored (but lets you pass `-r` for consistency with other commands)
#[arg(short = 'r', hide = true)]
unused_revision: bool,
}
#[instrument(skip_all)]
pub(crate) fn cmd_edit(
ui: &mut Ui,
command: &CommandHelper,
args: &EditArgs,
) -> Result<(), CommandError> {
let mut workspace_command = command.workspace_helper(ui)?;
let new_commit = workspace_command.resolve_single_rev(&args.revision, ui)?;
workspace_command.check_rewritable([&new_commit])?;
if workspace_command.get_wc_commit_id() == Some(new_commit.id()) {
writeln!(ui.stderr(), "Already editing that commit")?;
} else {
let mut tx = workspace_command.start_transaction();
tx.edit(&new_commit)?;
tx.finish(ui, format!("edit commit {}", new_commit.id().hex()))?;
}
Ok(())
}