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Improve serve command error message (#2017)

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Update the command matcher for the server command to log a more helpful
message when it's called without a subcommand.

Before:
```sh
$ target/debug/grin server
:: Some(ArgMatches { args: {}, subcommand: None, usage: Some("USAGE:\n    grin server [OPTIONS] [SUBCOMMAND]") })
```

After:
```sh
$ target/debug/grin server
Subcommand required, use 'grin help server' for details
```
This commit is contained in:
Jake Craige 2018-11-25 15:47:47 -08:00 committed by Ignotus Peverell
parent 1ea82d9abe
commit 9db36f7ba3
1 changed files with 3 additions and 0 deletions
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3
src/bin/cmd/server.rs
View file

@ -174,6 +174,9 @@ pub fn server_command(server_args: Option<&ArgMatches>, mut global_config: Globa
}
}
("stop", _) => println!("TODO. Just 'kill $pid' for now. Maybe /tmp/grin.pid is $pid"),
("", _) => {
println!("Subcommand required, use 'grin help server' for details");
}
(cmd, _) => {
println!(":: {:?}", server_args);
panic!(