deps(cli-clap): bump up clap

dar2oar_cli/Cargo.toml

@@ -19,8 +19,7 @@ path = "./src/main.rs"
 
 [dependencies]
 anyhow = { version = "1.0.86", features = ["backtrace"] }
-# NOTE: clap uses v3.2.23, the last successfully built version, because color mode was erased in v4
-clap = { version = "3.2.23", features = ["derive"] } # For CLI
+clap = { version = "4.5.13", features = ["derive"] } # For CLI
 dar2oar_core = { path = "../dar2oar_core", features = ["tracing"] }
 tokio = { version = "1.37.0", features = [
   "fs",
@@ -33,3 +32,7 @@ tracing-subscriber = "0.3.18"
 
 [dev-dependencies]
 pretty_assertions = "1.4.0"
+
+[features]
+default = ["color"]
+color = []

dar2oar_cli/src/cli/color.rs

@@ -0,0 +1,36 @@
+use clap::builder::styling::{AnsiColor, Color, Style};
+
+/// See: [`clap.rs not printing colors during --help`](https://stackoverflow.com/questions/74068168/clap-rs-not-printing-colors-during-help)
+pub fn get_styles() -> clap::builder::Styles {
+    clap::builder::Styles::styled()
+        .usage(
+            Style::new()
+                .bold()
+                .underline()
+                .fg_color(Some(Color::Ansi(AnsiColor::Yellow))),
+        )
+        .header(
+            Style::new()
+                .bold()
+                .underline()
+                .fg_color(Some(Color::Ansi(AnsiColor::Yellow))),
+        )
+        .literal(Style::new().fg_color(Some(Color::Ansi(AnsiColor::Green))))
+        .invalid(
+            Style::new()
+                .bold()
+                .fg_color(Some(Color::Ansi(AnsiColor::Red))),
+        )
+        .error(
+            Style::new()
+                .bold()
+                .fg_color(Some(Color::Ansi(AnsiColor::Red))),
+        )
+        .valid(
+            Style::new()
+                .bold()
+                .underline()
+                .fg_color(Some(Color::Ansi(AnsiColor::Green))),
+        )
+        .placeholder(Style::new().fg_color(Some(Color::Ansi(AnsiColor::White))))
+}

dar2oar_cli/src/cli/mod.rs

@@ -1,6 +1,8 @@
+mod color;
 mod commands;
 mod convert;
 
+use crate::cli::color::get_styles;
 use crate::cli::commands::Commands;
 use crate::init_tracing;
 use convert::dar2oar;
@@ -11,6 +13,9 @@ use tracing::Level;
 /// Converter CLI version
 #[derive(Debug, clap::Parser)]
 #[clap(name = "dar2oar", about)]
+#[cfg_attr(feature = "color",
+command(styles=get_styles())
+)]
 pub(crate) struct Cli {
     #[clap(subcommand)]
     command: Commands,