Mercurial > public > mercurial-scm > hg

annotate rust/chg/src/main.rs @ 39979:6bdee4bc181a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
rust-chg: add main program It can at least connect to a *running* command server, and execute Mercurial command. No signal handling nor daemon management is implemented yet.
author Yuya Nishihara <yuya@tcha.org>
date Mon, 24 Sep 2018 19:23:50 +0900
parents aab43d5861bb
children 89742f1fa6cb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
39967
aab43d5861bb rust-chg: add project skeleton
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
1 // Copyright 2018 Yuya Nishihara <yuya@tcha.org>
aab43d5861bb rust-chg: add project skeleton
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
2 //
aab43d5861bb rust-chg: add project skeleton
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
3 // This software may be used and distributed according to the terms of the
aab43d5861bb rust-chg: add project skeleton
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
4 // GNU General Public License version 2 or any later version.
aab43d5861bb rust-chg: add project skeleton
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
5
39979
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
6 extern crate chg;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
7 extern crate futures;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
8 extern crate tokio;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
9 extern crate tokio_hglib;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
10
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
11 use chg::{ChgClientExt, ChgUiHandler};
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
12 use chg::locator;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
13 use futures::sync::oneshot;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
14 use std::env;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
15 use std::io;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
16 use std::process;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
17 use tokio::prelude::*;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
18 use tokio_hglib::UnixClient;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
19
39967
aab43d5861bb rust-chg: add project skeleton
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
20 fn main() {
39979
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
21 let code = run().unwrap_or_else(|err| {
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
22 eprintln!("chg: abort: {}", err);
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
23 255
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
24 });
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
25 process::exit(code);
39967
aab43d5861bb rust-chg: add project skeleton
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
26 }
39979
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
27
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
28 fn run() -> io::Result<i32> {
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
29 let current_dir = env::current_dir()?;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
30 let sock_path = locator::prepare_server_socket_path()?;
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
31 let handler = ChgUiHandler::new();
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
32 let (result_tx, result_rx) = oneshot::channel();
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
33 let fut = UnixClient::connect(sock_path)
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
34 .and_then(|client| {
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
35 client.set_current_dir(current_dir)
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
36 })
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
37 .and_then(|client| {
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
38 client.attach_io(io::stdin(), io::stdout(), io::stderr())
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
39 })
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
40 .and_then(|client| {
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
41 client.run_command_chg(handler, env::args_os().skip(1))
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
42 })
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
43 .map(|(_client, _handler, code)| {
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
44 Ok(code)
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
45 })
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
46 .or_else(|err| Ok(Err(err))) // pass back error to caller
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
47 .map(|res| result_tx.send(res).unwrap());
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
48 tokio::run(fut);
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
49 result_rx.wait().unwrap_or(Err(io::Error::new(io::ErrorKind::Other,
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
50 "no exit code set")))
6bdee4bc181a rust-chg: add main program
Yuya Nishihara <yuya@tcha.org>
parents: 39967
diff changeset
51 }