feat: updates

src/cmd_list.rs

@@ -1,9 +1,9 @@
 use std::collections::BTreeMap;
 
-use clap::{App, Arg, ArgMatches, SubCommand};
+use clap::{App, ArgMatches, SubCommand};
 use rust_util::util_clap::{Command, CommandError};
-use rust_util::util_msg;
 use yubikey::YubiKey;
+use crate::cmdutil;
 
 pub struct CommandImpl;
 
@@ -12,12 +12,11 @@ impl Command for CommandImpl {
 
     fn subcommand<'a>(&self) -> App<'a, 'a> {
         SubCommand::with_name(self.name()).about("YubiKey list")
-            .arg(Arg::with_name("json").long("json").help("JSON output"))
+            .arg(cmdutil::build_json_arg())
     }
 
     fn run(&self, _arg_matches: &ArgMatches, sub_arg_matches: &ArgMatches) -> CommandError {
-        let json_output = sub_arg_matches.is_present("json");
-        if json_output { util_msg::set_logger_std_out(false); }
+        let json_output = cmdutil::check_json_output(sub_arg_matches);
 
         let mut yk = opt_result!(YubiKey::open(), "YubiKey not found: {}");