refactor: rust nightly format (#197)

* chore: turn on group format

* turn on nightly fmt

.github/workflows/ci.yml

@@ -31,12 +31,11 @@ jobs:
       - name: Install Rust
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
-          target: ${{ matrix.target }}
-          components: rustfmt, clippy
+          toolchain: nightly
+          components: rustfmt
 
       - name: Cargo fmt
-        run: cargo fmt --check
+        run: cargo +nightly fmt --check
 
   release-binary:
     needs: tests

.rustfmt.toml

@@ -0,0 +1,3 @@
+reorder_imports = true
+imports_granularity = "crate"
+group_imports = "StdExternalCrate"

crates/ctranslate2-bindings/build.rs

@@ -1,7 +1,7 @@
+use std::{env, path::PathBuf};
+
 use cmake::Config;
 use rust_cxx_cmake_bridge::read_cmake_generated;
-use std::env;
-use std::path::PathBuf;
 
 fn main() {
     // Tell cargo to invalidate the built crate whenever the wrapper changes

crates/rust-cxx-cmake-bridge/src/lib.rs

@@ -1,5 +1,4 @@
-use std::io::Write;
-use std::path::PathBuf;
+use std::{io::Write, path::PathBuf};
 
 // ## lib_name: "protobufd"
 // ## dir: "..../api_circuits/target/debug/build/lib-circuits-wrapper-49025516ce40925e/out/build/_deps/protobuf_fetch-build"

crates/tabby-common/src/events.rs

@@ -1,9 +1,12 @@
+use std::{
+    fs,
+    io::{BufWriter, Write},
+    sync::Mutex,
+};
+
 use chrono::Utc;
 use lazy_static::lazy_static;
 use serde::Serialize;
-use std::fs;
-use std::io::{BufWriter, Write};
-use std::sync::Mutex;
 
 lazy_static! {
     static ref WRITER: Mutex<BufWriter<fs::File>> = {

crates/tabby-common/src/path.rs

@@ -1,7 +1,4 @@
-use std::cell::Cell;
-use std::env;
-use std::path::PathBuf;
-use std::sync::Mutex;
+use std::{cell::Cell, env, path::PathBuf, sync::Mutex};
 
 use lazy_static::lazy_static;
 

crates/tabby-download/src/cache_info.rs

@@ -1,8 +1,7 @@
+use std::{collections::HashMap, fs, path::Path};
+
 use anyhow::Result;
 use serde::{Deserialize, Serialize};
-use std::collections::HashMap;
-use std::fs;
-use std::path::Path;
 use tabby_common::path::ModelDir;
 
 #[derive(Serialize, Deserialize)]

crates/tabby-download/src/lib.rs

@@ -1,16 +1,12 @@
 mod cache_info;
 
-use std::cmp;
-use std::fs;
-use std::io::Write;
-use std::path::Path;
+use std::{cmp, fs, io::Write, path::Path};
 
+use cache_info::CacheInfo;
 use futures_util::StreamExt;
 use indicatif::{ProgressBar, ProgressStyle};
 use tabby_common::path::ModelDir;
 
-use cache_info::CacheInfo;
-
 impl CacheInfo {
     async fn download(&mut self, model_id: &str, path: &str, prefer_local_file: bool) {
         // Create url.

crates/tabby-scheduler/src/lib.rs

@@ -1,7 +1,8 @@
 mod repository;
 
-use job_scheduler::{Job, JobScheduler};
 use std::time::Duration;
+
+use job_scheduler::{Job, JobScheduler};
 use tracing::info;
 
 pub fn scheduler() {

crates/tabby-scheduler/src/repository.rs

@@ -1,13 +1,11 @@
-use std::path::PathBuf;
-use std::process::Command;
+use std::{path::PathBuf, process::Command};
 
+use filenamify::filenamify;
 use tabby_common::{
     config::{Config, Repository},
     path::repositories_dir,
 };
 
-use filenamify::filenamify;
-
 trait ConfigExt {
     fn sync_repositories(&self);
 }
@@ -71,11 +69,13 @@ pub fn sync_repositories() {
 
 #[cfg(test)]
 mod tests {
-    use super::*;
+    use tabby_common::{
+        config::{Config, Repository},
+        path::set_tabby_root,
+    };
     use temp_testdir::*;
 
-    use tabby_common::config::{Config, Repository};
-    use tabby_common::path::set_tabby_root;
+    use super::*;
 
     #[test]
     fn it_works() {

crates/tabby/src/serve/completions.rs

@@ -1,10 +1,10 @@
+use std::{path::Path, sync::Arc};
+
 use axum::{extract::State, Json};
 use ctranslate2_bindings::{
     TextInferenceEngine, TextInferenceEngineCreateOptionsBuilder, TextInferenceOptionsBuilder,
 };
 use serde::{Deserialize, Serialize};
-use std::path::Path;
-use std::sync::Arc;
 use strfmt::{strfmt, strfmt_builder};
 use tabby_common::{events, path::ModelDir};
 use utoipa::ToSchema;

crates/tabby/src/serve/completions/languages.rs

@@ -1,6 +1,7 @@
+use std::collections::HashMap;
+
 use lazy_static::lazy_static;
 use regex::Regex;
-use std::collections::HashMap;
 
 lazy_static! {
     static ref DEFAULT: Regex = Regex::new(r"(?m)\n\n").unwrap();

crates/tabby/src/serve/mod.rs

@@ -2,18 +2,20 @@ mod admin;
 mod completions;
 mod events;
 
-use crate::Cli;
-use axum::{routing, Router, Server};
-use clap::{error::ErrorKind, Args, CommandFactory};
 use std::{
     net::{Ipv4Addr, SocketAddr},
     sync::Arc,
 };
+
+use axum::{routing, Router, Server};
+use clap::{error::ErrorKind, Args, CommandFactory};
 use tower_http::cors::CorsLayer;
 use tracing::info;
 use utoipa::OpenApi;
 use utoipa_swagger_ui::SwaggerUi;
 
+use crate::Cli;
+
 #[derive(OpenApi)]
 #[openapi(
     paths(events::log_event, completions::completion,),