mirror of
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76 lines
2.8 KiB
Rust
76 lines
2.8 KiB
Rust
// Copyright 2020 The Jujutsu Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use clap_complete::ArgValueCandidates;
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use jj_lib::matchers::EverythingMatcher;
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use tracing::instrument;
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use crate::cli_util::CommandHelper;
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use crate::cli_util::RevisionArg;
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use crate::command_error::CommandError;
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use crate::complete;
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use crate::diff_util::DiffFormatArgs;
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use crate::ui::Ui;
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/// Show commit description and changes in a revision
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#[derive(clap::Args, Clone, Debug)]
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pub(crate) struct ShowArgs {
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/// Show changes in this revision, compared to its parent(s)
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#[arg(
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default_value = "@",
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value_name = "REVSET",
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add = ArgValueCandidates::new(complete::all_revisions)
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)]
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revision: RevisionArg,
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/// Ignored (but lets you pass `-r` for consistency with other commands)
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#[arg(short = 'r', hide = true)]
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unused_revision: bool,
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/// Render a revision using the given template
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///
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/// You can specify arbitrary template expressions using the
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/// [built-in keywords]. See [`jj help -k templates`] for more information.
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///
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/// [built-in keywords]:
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/// https://jj-vcs.github.io/jj/latest/templates/#commit-keywords
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///
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/// [`jj help -k templates`]:
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/// https://jj-vcs.github.io/jj/latest/templates/
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#[arg(long, short = 'T', add = ArgValueCandidates::new(complete::template_aliases))]
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template: Option<String>,
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#[command(flatten)]
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format: DiffFormatArgs,
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}
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#[instrument(skip_all)]
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pub(crate) fn cmd_show(
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ui: &mut Ui,
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command: &CommandHelper,
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args: &ShowArgs,
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) -> Result<(), CommandError> {
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let workspace_command = command.workspace_helper(ui)?;
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let commit = workspace_command.resolve_single_rev(ui, &args.revision)?;
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let template_string = match &args.template {
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Some(value) => value.to_string(),
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None => workspace_command.settings().get_string("templates.show")?,
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};
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let template = workspace_command.parse_commit_template(ui, &template_string)?;
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let diff_renderer = workspace_command.diff_renderer_for(&args.format)?;
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ui.request_pager();
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let mut formatter = ui.stdout_formatter();
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let formatter = formatter.as_mut();
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template.format(&commit, formatter)?;
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diff_renderer.show_patch(ui, formatter, &commit, &EverythingMatcher, ui.term_width())?;
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Ok(())
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}
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