use super::command::Command;
use crate::config::FnmConfig;
use crate::current_version::{current_version, Error};
use structopt::StructOpt;
#[derive(StructOpt, Debug)]
pub struct Current {}
impl Command for Current {
type Error = Error;
fn apply(self, config: &FnmConfig) -> Result<(), Self::Error> {
let version_string = match current_version(&config)? {
Some(ver) => ver.v_str(),
None => "none".into(),
};
println!("{}", version_string);
Ok(())
}
}