use super::{Command, Config};
use crate::version;
use clap;
use thiserror::Error;
#[derive(clap::Parser, Debug)]
pub struct Default {
link_version: Option<version::Local>,
}
#[derive(Error, Debug)]
pub enum Error {
#[error(transparent)]
FailedCreateAlias(#[from] super::alias::Error),
}
impl Command for Default {
type Error = Error;
fn run(&self, config: &Config) -> Result<(), Error> {
let alias = crate::version::Alias::default();
if let Some(link_version) = self.link_version {
let cmd = super::Alias {
alias,
link_version,
};
cmd.run(config).map_err(Into::into)
} else {
match alias.resolve(config.aliases_dir()) {
Ok(version) => println!("{}", version),
Err(_) => println!("none"),
}
Ok(())
}
}
}