Enable auto-wrapping of the help message

Cargo.lock

@@ -373,6 +373,7 @@ dependencies = [
  "anstyle",
  "clap_lex",
  "strsim",
+ "terminal_size",
 ]
 
 [[package]]
@@ -1876,6 +1877,16 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "terminal_size"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45c6481c4829e4cc63825e62c49186a34538b7b2750b73b266581ffb612fb5ed"
+dependencies = [
+ "rustix 1.0.7",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "thiserror"
 version = "2.0.12"

Cargo.toml

@@ -18,7 +18,7 @@ anyhow = "1.0.98"
 nix = { version = "0.30", features = ["fs", "term", "process", "signal", "poll"] }
 serde = { version = "1.0.219", features = ["derive"] }
 serde_json = "1.0.140"
-clap = { version = "4.5.37", features = ["derive"] }
+clap = { version = "4.5.37", features = ["derive", "wrap_help"] }
 signal-hook = { version = "0.3.17", default-features = false }
 uuid = { version = "1.6.1", features = ["v4"] }
 reqwest = { version = "0.12.15", default-features = false, features = ["blocking", "rustls-tls-native-roots", "multipart", "gzip", "json"] }
@@ -45,7 +45,7 @@ async-trait = "0.1.88"
 signal-hook-tokio = { version = "0.3.1", features = ["futures-v0_3"] }
 
 [build-dependencies]
-clap = { version = "4.5.37", features = ["derive"] }
+clap = { version = "4.5.37", features = ["derive", "wrap_help"] }
 clap_complete = "4.5.48"
 clap_mangen = "0.2.26"
 url = "2.5.0"

src/cli.rs

@@ -8,8 +8,7 @@ pub const DEFAULT_LISTEN_ADDR: &str = "127.0.0.1:8080";
 
 #[derive(Debug, Parser)]
 #[clap(author, version, about)]
-#[command(name = "asciinema")]
-#[command(infer_subcommands = true)]
+#[command(name = "asciinema", max_term_width = 100, infer_subcommands = true)]
 pub struct Cli {
     #[command(subcommand)]
     pub command: Commands,