jj/cli/src/commands/show.rs

63 lines
2.3 KiB
Rust

// 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 jj_lib::matchers::EverythingMatcher;
use tracing::instrument;
use crate::cli_util::CommandHelper;
use crate::cli_util::RevisionArg;
use crate::command_error::CommandError;
use crate::diff_util::DiffFormatArgs;
use crate::ui::Ui;
/// Show commit description and changes in a revision
#[derive(clap::Args, Clone, Debug)]
pub(crate) struct ShowArgs {
/// Show changes in this revision, compared to its parent(s)
#[arg(default_value = "@")]
revision: RevisionArg,
/// Ignored (but lets you pass `-r` for consistency with other commands)
#[arg(short = 'r', hide = true)]
unused_revision: bool,
/// Render a revision using the given template
///
/// For the syntax, see https://github.com/martinvonz/jj/blob/main/docs/templates.md
#[arg(long, short = 'T')]
template: Option<String>,
#[command(flatten)]
format: DiffFormatArgs,
}
#[instrument(skip_all)]
pub(crate) fn cmd_show(
ui: &mut Ui,
command: &CommandHelper,
args: &ShowArgs,
) -> Result<(), CommandError> {
let workspace_command = command.workspace_helper(ui)?;
let commit = workspace_command.resolve_single_rev(&args.revision)?;
let template_string = match &args.template {
Some(value) => value.to_string(),
None => command.settings().config().get_string("templates.show")?,
};
let template = workspace_command.parse_commit_template(&template_string)?;
let diff_renderer = workspace_command.diff_renderer_for(&args.format)?;
ui.request_pager();
let mut formatter = ui.stdout_formatter();
let formatter = formatter.as_mut();
template.format(&commit, formatter)?;
diff_renderer.show_patch(ui, formatter, &commit, &EverythingMatcher, ui.term_width())?;
Ok(())
}