Extract cargo-i18n binary to a separate crate

- reduce dependencies on the main crate drastically
- import serde derive via serde import

Cargo.toml

@@ -13,27 +13,16 @@ repository = "https://github.com/longbridgeapp/rust-i18n"
 version = "2.2.1"
 
 [dependencies]
-anyhow = {version = "1", optional = true}
-clap = {version = "2.32", optional = true}
-itertools = {version = "0.10.3", optional = true}
 once_cell = "1.10.0"
-quote = {version = "1", optional = true}
-rust-i18n-extract = {path = "./crates/extract", version = "2.1.0", optional = true}
 rust-i18n-support = {path = "./crates/support", version = "2.1.0"}
 rust-i18n-macro = {path = "./crates/macro", version = "2.1.0"}
-serde = "1"
-serde_derive = "1"
-toml = "0.7.4"
 
 [dev-dependencies]
 foo = {path = "examples/foo"}
 criterion = "0.5"
 lazy_static = "1"
 serde_yaml = "0.8"
 
-[features]
-default = ["rust-i18n-extract", "clap", "anyhow", "quote", "itertools"]
-
 [build-dependencies]
 globwalk = "0.8.1"
 regex = "1"
@@ -42,13 +31,9 @@ regex = "1"
 name = "app"
 test = true
 
-[[bin]]
-name = "cargo-i18n"
-path = "src/main.rs"
-required-features = ["default"]
-
 [workspace]
 members = [
+    "crates/cli",
     "crates/extract",
     "crates/support",
     "crates/macro",

crates/cli/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+description = "cargo-i18n tool for the rust-i18n crate."
+edition = "2021"
+license = "MIT"
+name = "rust-i18n-cli"
+readme = "../../README.md"
+repository = "https://github.com/longbridgeapp/rust-i18n"
+version = "2.1.0"
+
+[dependencies]
+anyhow = "1"
+clap = "2.32"
+itertools = "0.10.3"
+rust-i18n-support = { path = "../support", version = "2.1.0" }
+rust-i18n-extract = { path = "../extract", version = "2.1.0" }
+serde = { version = "1", features = ["derive"] }
+toml = "0.7.4"
+
+[[bin]]
+name = "cargo-i18n"
+path = "src/main.rs"

src/config.rs → crates/cli/src/config.rs

@@ -4,6 +4,7 @@
 //! See `Manifest::from_slice`.
 
 use itertools::Itertools;
+use serde::{Deserialize, Serialize};
 use std::fs;
 use std::io;
 use std::io::Read;
@@ -138,7 +139,7 @@ fn test_load_default() {
 #[test]
 fn test_load() {
     let workdir = Path::new(env!["CARGO_MANIFEST_DIR"]);
-    let cargo_root = workdir.join("examples/foo");
+    let cargo_root = workdir.join("../../examples/foo");
 
     let cfg = load(&cargo_root).unwrap();
     assert_eq!(cfg.default_locale, "en");

src/main.rs → crates/cli/src/main.rs

@@ -6,9 +6,6 @@ use std::{collections::HashMap, path::Path};
 use rust_i18n_extract::{extractor, generator, iter};
 mod config;
 
-#[macro_use]
-extern crate serde_derive;
-
 const APP_NAME: &str = "rust-i18n";
 const ABOUT: &str = r#"Rust I18n command for help you simply to extract all untranslated texts from soruce code.