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Exit gracefully when no subcommand is specified

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This commit is contained in:
Michael Vines
2019-03-13 20:56:47 -07:00
parent bb420cb995
commit 7d593e6c61
1 changed files with 3 additions and 1 deletions
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4
wallet/src/main.rs
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@ -1,5 +1,6 @@
use clap::{ use clap::{
crate_description, crate_name, crate_version, App, Arg, ArgGroup, ArgMatches, SubCommand, crate_description, crate_name, crate_version, App, AppSettings, Arg, ArgGroup, ArgMatches,
SubCommand,
}; };
use solana_sdk::signature::{gen_keypair_file, read_keypair, KeypairUtil}; use solana_sdk::signature::{gen_keypair_file, read_keypair, KeypairUtil};
use solana_wallet::wallet::{parse_command, process_command, WalletConfig, WalletError}; use solana_wallet::wallet::{parse_command, process_command, WalletConfig, WalletError};
@ -93,6 +94,7 @@ fn main() -> Result<(), Box<dyn error::Error>> {
let matches = App::new(crate_name!()) let matches = App::new(crate_name!())
.about(crate_description!()) .about(crate_description!())
.version(crate_version!()) .version(crate_version!())
.setting(AppSettings::ArgRequiredElseHelp)
.arg( .arg(
Arg::with_name("host") Arg::with_name("host")
.short("n") .short("n")