nit

Cargo.toml

@@ -6,7 +6,7 @@ version = "0.1.0"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-clap = { version = "4.3.3", features = ["derive"] }
+clap = { version = "4.3.3", features = ["derive", "wrap_help"] }
 regex = "1.8.1"
 termcolor = "1.2.0"
 termion = "2.0.1"

README.md

@@ -15,3 +15,24 @@ cargo install --git https://github.com/nilehmann/backtracetk
 ## Screenshot
 
 ![Screenshot](./screenshot.png)
+
+## Usage
+
+```bash
+$ backtracetk --help
+Print colorized Rust backtraces by capturing the output of an external process
+
+Usage: backtracetk [OPTIONS] [CMD]...
+
+Arguments:
+  [CMD]...
+
+Options:
+      --style <STYLE>     Set the backtrace style to short (RUST_BACKTRACE=1) or full (RUST_BACKTRACE=full)
+                          [default: short] [possible values: short, full]
+      --no-lib-backtrace  Set RUST_LIB_BACKTRACE=0
+      --hide-output       By default, backtracetk prints every captured line as it reads it to get immediate
+                          feedback. If this flag is set, this output is suppressed and nothing will be printed
+                          until the program exits
+  -h, --help              Print help
+```

src/main.rs

@@ -6,7 +6,7 @@ use termcolor::{ColorChoice, StandardStream};
 
 /// Print colorized Rust backtraces by capturing the output of an external process.
 #[derive(clap::Parser)]
-#[command(about, long_about = None)]
+#[command(max_term_width = 110)]
 struct Args {
     #[arg(trailing_var_arg(true))]
     cmd: Vec<String>,
@@ -19,8 +19,8 @@ struct Args {
     #[arg(long)]
     no_lib_backtrace: bool,
 
-    /// By default, backtracetk prints every captured line as it reads it. If this flag is set,
-    /// this output is suppressed and nothing will be printed until the program exits.
+    /// By default, backtracetk prints every captured line as it reads it to get immediate feedback.
+    /// If this flag is set, this output is suppressed and nothing will be printed until the program exits
     #[arg(long)]
     hide_output: bool,
 }