use crate::error::CommandError;

use clap::Arg;

use format_bytes::format_bytes;

use hg::errors::HgError;

use hg::utils::SliceExt;

pub const HELP_TEXT: &str = "

With one argument of the form section.name, print just the value of that config item.

";

pub fn args() -> clap::App<'static, 'static> {

    clap::SubCommand::with_name("config")

        .arg(

            Arg::with_name("name")

                .help("the section.name to print")

                .value_name("NAME")

                .required(true)

                .takes_value(true),

        )

        .about(HELP_TEXT)

}

pub fn run(invocation: &crate::CliInvocation) -> Result<(), CommandError> {

    let (section, name) = invocation

        .subcommand_args

        .value_of("name")

        .expect("missing required CLI argument")

        .as_bytes()

        .split_2(b'.')

        .ok_or_else(|| HgError::unsupported("hg config <section>"))?;

}