substrate_manager/util/
command_prelude.rs

1use clap::{Arg, ArgAction, Command};
2
3pub trait AppExt: Sized {
4    fn _arg(self, arg: Arg) -> Self;
5
6    fn arg_quiet(self) -> Self {
7        self._arg(flag("quiet", "Do not print cargo log messages").short('q'))
8    }
9}
10
11impl AppExt for Command {
12    fn _arg(self, arg: Arg) -> Self {
13        self.arg(arg)
14    }
15}
16
17pub fn subcommand(name: &'static str) -> Command {
18    Command::new(name)
19    // App::new(name)
20    //     .dont_collapse_args_in_usage(true)
21    //     .setting(AppSettings::DeriveDisplayOrder)
22}
23
24pub fn opt(name: &'static str, help: &'static str) -> Arg {
25    Arg::new(name).long(name).help(help).action(ArgAction::Set)
26}
27
28pub fn flag(name: &'static str, help: &'static str) -> Arg {
29    Arg::new(name)
30        .long(name)
31        .help(help)
32        .action(ArgAction::SetTrue)
33}
34
35#[track_caller]
36pub fn ignore_unknown<T: Default>(r: Result<T, clap::parser::MatchesError>) -> T {
37    match r {
38        Ok(t) => t,
39        Err(clap::parser::MatchesError::UnknownArgument { .. }) => Default::default(),
40        Err(e) => {
41            panic!("Mismatch between definition and access: {}", e);
42        }
43    }
44}
substrate_manager/util/command_prelude.rs

substrate_manager/util/
command_prelude.rs
