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use clap::{crate_version, Arg, Command};
use std::fs::hard_link;
use std::path::Path;
use uucore::display::Quotable;
use uucore::error::{FromIo, UResult};
use uucore::format_usage;
static ABOUT: &str = "Call the link function to create a link named FILE2 to an existing FILE1.";
const USAGE: &str = "{} FILE1 FILE2";
pub mod options {
pub static FILES: &str = "FILES";
}
#[uucore::main]
pub fn uumain(args: impl uucore::Args) -> UResult<()> {
let matches = uu_app().get_matches_from(args);
let files: Vec<_> = matches
.values_of_os(options::FILES)
.unwrap_or_default()
.collect();
let old = Path::new(files[0]);
let new = Path::new(files[1]);
hard_link(old, new)
.map_err_context(|| format!("cannot create link {} to {}", new.quote(), old.quote()))
}
pub fn uu_app<'a>() -> Command<'a> {
Command::new(uucore::util_name())
.version(crate_version!())
.about(ABOUT)
.override_usage(format_usage(USAGE))
.infer_long_args(true)
.arg(
Arg::new(options::FILES)
.hide(true)
.required(true)
.min_values(2)
.max_values(2)
.takes_value(true)
.value_hint(clap::ValueHint::AnyPath)
.allow_invalid_utf8(true),
)
}
