51 lines
1.7 KiB
Rust
51 lines
1.7 KiB
Rust
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use clap::{Arg, ArgAction, Command};
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use std::{io, ffi::CString, process};
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use super::Cmd;
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#[derive(Debug, Default)]
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pub struct Unlink;
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impl Cmd for Unlink {
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fn cli(&self) -> clap::Command {
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Command::new("unlink")
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.about("call the unlink function to remove the specified 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("verbose")
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.help("display user feedback upon success")
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.short('v')
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.long("verbose")
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.action(ArgAction::SetTrue),
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Arg::new("file")
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.value_name("FILE")
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.required(true)
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.num_args(1..),
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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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if let Some(files) = matches.get_many::<String>("file") {
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for f in files {
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let fname = CString::new(f.as_str())?;
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let ret = unsafe { libc::unlink(fname.as_ptr()) };
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if matches.get_flag("verbose") && ret == 0 {
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println!("unlink: {f}");
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} else if ret != 0 {
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let err = io::Error::last_os_error();
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eprintln!("unlink: cannot unlink {f}: {err}");
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process::exit(ret);
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}
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}
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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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