61 lines
1.7 KiB
Rust
61 lines
1.7 KiB
Rust
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use super::Cmd;
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use clap::{Arg, ArgAction, Command};
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use std::{fs, io};
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#[derive(Debug, Default)]
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pub struct Link;
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impl Cmd for Link {
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fn name(&self) -> &str {
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"link"
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}
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fn cli(&self) -> clap::Command {
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Command::new("link")
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.about("call the link function to create a link to a file")
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.author("Nathan Fisher")
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.version(env!("CARGO_PKG_VERSION"))
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.args([
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Arg::new("file1").required(true).index(1),
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Arg::new("file2").required(true).index(2),
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Arg::new("verbose")
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.short('v')
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.long("verbose")
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.action(ArgAction::SetTrue),
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])
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}
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fn run(&self, matches: Option<&clap::ArgMatches>) -> Result<(), Box<dyn std::error::Error>> {
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let Some(matches) = matches else {
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return Err(Box::new(io::Error::new(io::ErrorKind::Other, "no input")));
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};
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let f1 = match matches.get_one::<String>("file1") {
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Some(s) => s,
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None => {
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return Err(Box::new(io::Error::new(
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io::ErrorKind::Other,
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"missing file 1",
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)))
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}
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};
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let f2 = match matches.get_one::<String>("file2") {
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Some(s) => s,
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None => {
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return Err(Box::new(io::Error::new(
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io::ErrorKind::Other,
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"missing file 2",
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)))
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}
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};
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fs::hard_link(f1, f2)?;
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if matches.get_flag("verbose") {
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println!("{f2} -> {f1}");
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}
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Ok(())
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}
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fn path(&self) -> Option<crate::Path> {
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Some(crate::Path::UsrBin)
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}
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}
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