Use cargo styles for help text

Cargo.lock

@@ -183,6 +183,7 @@ dependencies = [
  "bat",
  "cargo-subcommand-metadata",
  "clap",
+ "clap-cargo",
  "console",
  "etcetera",
  "fs-err",
@@ -227,6 +228,16 @@ dependencies = [
  "clap_derive",
 ]
 
+[[package]]
+name = "clap-cargo"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b2ea69cefa96b848b73ad516ad1d59a195cdf9263087d977f648a818c8b43e"
+dependencies = [
+ "anstyle",
+ "clap",
+]
+
 [[package]]
 name = "clap_builder"
 version = "4.5.20"

Cargo.toml

@@ -20,6 +20,7 @@ prettyplease = []
 bat = { version = "0.24", default-features = false, features = ["paging", "regex-fancy"] }
 cargo-subcommand-metadata = "0.1"
 clap = { version = "4", features = ["deprecated", "derive"] }
+clap-cargo = "0.14"
 console = "0.15"
 etcetera = "0.8"
 fs-err = "3"

src/opts.rs

@@ -11,7 +11,13 @@ const COMPILATION_OPTIONS: &str = "Compilation Options";
 const MANIFEST_OPTIONS: &str = "Manifest Options";
 
 #[derive(Parser)]
-#[command(bin_name = "cargo", version, author, disable_help_subcommand = true)]
+#[command(
+    bin_name = "cargo",
+    version,
+    author,
+    disable_help_subcommand = true,
+    styles = clap_cargo::style::CLAP_STYLING,
+)]
 pub enum Subcommand {
     /// Show the result of macro expansion.
     #[command(name = "expand", version, author, disable_version_flag = true)]