format: Refactor CLI, use pure `clap` instead of StructOpt

1 files changed, 36 insertions, 22 deletions

diff --git a/src/cli.rs b/src/cli.rs
index f59139d..08ce080 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -1,25 +1,39 @@
 use structopt::StructOpt;
+use structopt::clap::{Shell, App, AppSettings, SubCommand, Arg};
 
-#[derive(StructOpt, Debug)]
-pub enum Command {
-	Run,
-	Config,
-}
-
-#[derive(StructOpt, Debug)]
-#[structopt(
-name = env!("CARGO_PKG_NAME"),
-about = env!("CARGO_PKG_DESCRIPTION"),
-version = env!("CARGO_PKG_VERSION"),
-author = env!("CARGO_PKG_AUTHORS"),
-)]
-pub struct Opt {
-	#[structopt(short, long)]
-	pub debug: bool,
-
-	#[structopt(short, long, parse(from_occurrences))]
-	pub verbose: u8,
-
-	#[structopt(subcommand)] // help
-	pub command: Command,
+pub fn cli<'b, 'a>() -> App<'a, 'b> {
+	App::new(env!("CARGO_PKG_NAME"))
+		.about(env!("CARGO_PKG_DESCRIPTION"))
+		.version(env!("CARGO_PKG_VERSION"))
+		.author(env!("CARGO_PKG_AUTHORS"))
+		.settings(&[
+			AppSettings::SubcommandRequiredElseHelp,
+		])
+		.subcommands(vec![
+			SubCommand::with_name("run")
+				.about("Start the WorldServer"),
+			SubCommand::with_name("config")
+				.setting(AppSettings::SubcommandRequiredElseHelp)
+				.subcommands(vec![
+					SubCommand::with_name("show"),
+				]),
+			SubCommand::with_name("completions")
+				.setting(AppSettings::SubcommandRequiredElseHelp)
+				.about("Generate shell completions")
+				.subcommands(vec![
+					SubCommand::with_name("powershell"),
+					SubCommand::with_name("bash"),
+					SubCommand::with_name("elvish"),
+					SubCommand::with_name("zsh"),
+					SubCommand::with_name("fish"),
+				]),
+		])
+		.args(&[
+			Arg::with_name("debug")
+				.short("d")
+				.long("debug"),
+			Arg::with_name("trace")
+				.short("t")
+				.long("trace"),
+		])
 }