shitbox/src/cmd/link/mod.rs
2023-01-13 01:08:32 -05:00

51 lines
1.5 KiB
Rust

use super::Cmd;
use clap::{Arg, ArgAction, Command};
use std::{fs, io};
#[derive(Debug, Default)]
pub struct Link;
impl Cmd for Link {
fn cli(&self) -> clap::Command {
Command::new("link")
.about("call the link function to create a link to a file")
.author("Nathan Fisher")
.version(env!("CARGO_PKG_VERSION"))
.args([
Arg::new("file1").required(true).index(1),
Arg::new("file2").required(true).index(2),
Arg::new("verbose")
.short('v')
.long("verbose")
.action(ArgAction::SetTrue),
])
}
fn run(&self, matches: Option<&clap::ArgMatches>) -> Result<(), Box<dyn std::error::Error>> {
let Some(matches) = matches else {
return Err(Box::new(io::Error::new(io::ErrorKind::Other, "no input")));
};
let Some(f1) = matches.get_one::<String>("file1") else {
return Err(Box::new(io::Error::new(
io::ErrorKind::Other,
"missing file 1",
)))
};
let Some(f2) = matches.get_one::<String>("file2") else {
return Err(Box::new(io::Error::new(
io::ErrorKind::Other,
"missing file 2",
)))
};
fs::hard_link(f1, f2)?;
if matches.get_flag("verbose") {
println!("{f2} -> {f1}");
}
Ok(())
}
fn path(&self) -> Option<crate::Path> {
Some(crate::Path::UsrBin)
}
}