Adopt clap's crate_name macro

Author: michaelklishin

src/cli.rs

@@ -18,7 +18,7 @@ use super::static_urls::*;
 use super::tanzu_cli::tanzu_subcommands;
 use crate::config::PreFlightSettings;
 use crate::output::TableStyle;
-use clap::{Arg, ArgAction, ArgGroup, Command, crate_version, value_parser};
+use clap::{Arg, ArgAction, ArgGroup, Command, crate_name, crate_version, value_parser};
 use rabbitmq_http_client::commons::{
     BindingDestinationType, ChannelUseMode, ExchangeType, MessageTransferAcknowledgementMode,
     PolicyTarget, QueueType, SupportedProtocol,
@@ -413,10 +413,10 @@ pub fn parser(pre_flight_settings: PreFlightSettings) -> Command {
         vhost_limits_group,
     ];
 
-    Command::new("rabbitmqadmin")
+    Command::new(crate_name!())
         .version(crate_version!())
         .author("The RabbitMQ Core Team")
-        .about(format!("rabbitmqadmin gen 2, version: {}", crate_version!()))
+        .about(format!("{} gen 2, version: {}", crate_name!(), crate_version!()))
         .long_about(format!(
             "RabbitMQ CLI that uses the HTTP API. Version: {}",
             crate_version!()

src/main.rs

@@ -15,7 +15,7 @@
 #![allow(clippy::unnecessary_unwrap)]
 #![allow(clippy::collapsible_if)]
 
-use clap::{ArgMatches, crate_version};
+use clap::{ArgMatches, crate_name, crate_version};
 use errors::CommandRunError;
 use reqwest::{Identity, tls::Version as TlsVersion};
 use std::path::{Path, PathBuf};
@@ -185,7 +185,7 @@ fn build_http_client(
     cli: &ArgMatches,
     common_settings: &SharedSettings,
 ) -> Result<HTTPClient, CommandRunError> {
-    let user_agent = format!("rabbitmqadmin-ng {}", crate_version!());
+    let user_agent = format!("{} {}", crate_name!(), crate_version!());
     if should_use_tls(common_settings) {
         let _ = CryptoProvider::install_default(rustls::crypto::aws_lc_rs::default_provider());