shitbox/corebox/commands/realpath/mod.rs
Nathan Fisher d248f7d17b Remove Default constraint on Cmd trait and begin removing
derive(Default) from applets
2023-04-17 23:27:57 -04:00

64 lines
1.9 KiB
Rust

use super::Cmd;
use clap::{Arg, ArgAction, Command, ValueHint};
use std::{env, fs, process};
#[derive(Debug)]
pub struct Realpath;
impl Cmd for Realpath {
fn cli(&self) -> clap::Command {
Command::new("realpath")
.about("return resolved physical path")
.author("Nathan Fisher")
.version(env!("CARGO_PKG_VERSION"))
.args([
Arg::new("quiet")
.short('q')
.long("quiet")
.help("ignore warnings")
.action(ArgAction::SetTrue),
Arg::new("path")
.value_hint(ValueHint::AnyPath)
.num_args(1..)
.required(false),
])
}
fn run(&self, matches: &clap::ArgMatches) -> Result<(), Box<dyn std::error::Error>> {
if let Some(files) = matches.get_many::<String>("path") {
let mut erred = false;
for f in files {
match fs::canonicalize(f) {
Ok(p) => println!("{}", p.display()),
Err(e) => {
if !matches.get_flag("quiet") {
erred = true;
} else {
return Err(e.into());
}
}
}
}
if erred {
process::exit(1);
}
} else {
match env::current_dir().and_then(fs::canonicalize) {
Ok(p) => println!("{}", p.display()),
Err(e) => {
if matches.get_flag("quiet") {
process::exit(1);
} else {
return Err(e.into());
}
}
}
}
Ok(())
}
fn path(&self) -> Option<shitbox::Path> {
Some(shitbox::Path::Bin)
}
}