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::Command { clap::command!("config") .arg( Arg::new("name") .help("the section.name to print") .value_name("NAME") .required(true), ) .about(HELP_TEXT) } pub fn run(invocation: &crate::CliInvocation) -> Result<(), CommandError> { let (section, name) = invocation .subcommand_args .get_one::("name") .expect("missing required CLI argument") .as_bytes() .split_2(b'.') .ok_or_else(|| HgError::unsupported("hg config
"))?; if let Some(value) = invocation.config.get(section, name) { invocation.ui.write_stdout(&format_bytes!(b"{}\n", value))?; Ok(()) } else { Err(CommandError::Unsuccessful) } }