forked from mirrors/jj
8d090628c3
We had both `repo()` and `mut_repo()` on `Transaction` and I think it was easy to get confused and think that the former returned a `&ReadonlyRepo` but both of them actually return a reference to `MutableRepo` (the latter obviously returns a mutable reference). I hope that renaming to the more idiomatic `repo_mut()` will help clarify. We could instead have renamed them to `mut_repo()` and `mut_repo_mut()` but that seemed unnecessarily long. It would better match the `mut_repo` variables we typically use, though.
64 lines
2 KiB
Rust
64 lines
2 KiB
Rust
// Copyright 2022 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 std::io::Write as _;
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use jj_cli::cli_util::CliRunner;
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use jj_cli::cli_util::CommandHelper;
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use jj_cli::cli_util::RevisionArg;
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use jj_cli::command_error::CommandError;
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use jj_cli::ui::Ui;
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#[derive(clap::Parser, Clone, Debug)]
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enum CustomCommand {
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Frobnicate(FrobnicateArgs),
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}
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/// Frobnicate a revisions
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#[derive(clap::Args, Clone, Debug)]
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struct FrobnicateArgs {
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/// The revision to frobnicate
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#[arg(default_value = "@")]
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revision: RevisionArg,
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}
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fn run_custom_command(
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ui: &mut Ui,
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command_helper: &CommandHelper,
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command: CustomCommand,
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) -> Result<(), CommandError> {
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match command {
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CustomCommand::Frobnicate(args) => {
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let mut workspace_command = command_helper.workspace_helper(ui)?;
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let commit = workspace_command.resolve_single_rev(&args.revision)?;
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let mut tx = workspace_command.start_transaction();
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let new_commit = tx
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.repo_mut()
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.rewrite_commit(command_helper.settings(), &commit)
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.set_description("Frobnicated!")
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.write()?;
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tx.finish(ui, "frobnicate")?;
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writeln!(
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ui.status(),
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"Frobnicated revision: {}",
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workspace_command.format_commit_summary(&new_commit)
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)?;
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Ok(())
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}
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}
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}
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fn main() -> std::process::ExitCode {
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CliRunner::init().add_subcommand(run_custom_command).run()
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}
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