// 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, RevisionArg}; use crate::command_error::CommandError; use crate::diff_util::{self, 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, #[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_formats = diff_util::diff_formats_for(command.settings(), &args.format)?; ui.request_pager(); let mut formatter = ui.stdout_formatter(); let formatter = formatter.as_mut(); template.format(&commit, formatter)?; diff_util::show_patch( ui, formatter, &workspace_command, &commit, &EverythingMatcher, &diff_formats, )?; Ok(()) }