chore(cli): Display the usage if no command is provided.

open-telemetry · May 31, 2024 · 3043bc0 · 3043bc0
1 parent d14e711
commit 3043bc0
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/src/cli.rs b/src/cli.rs
@@ -9,7 +9,14 @@ use clap::{Parser, Subcommand};
 
 /// Command line arguments.
 #[derive(Parser)]
-#[command(author, version, about, long_about = None)]
+#[command(
+    author,
+    version,
+    about,
+    long_about = None,
+    subcommand_required = true,
+    arg_required_else_help = true
+)]
 pub struct Cli {
     /// Turn debugging information on
     #[arg(short, long, action = clap::ArgAction::Count)]