mirror of
https://github.com/uutils/coreutils
synced 2024-12-17 00:23:18 +00:00
103 lines
3.6 KiB
Rust
103 lines
3.6 KiB
Rust
#[crate_id(name="rmdir", vers="1.0.0", author="Arcterus")];
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/*
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* This file is part of the uutils coreutils package.
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*
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* (c) Arcterus <arcterus@mail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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extern mod extra;
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use std::os;
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use std::io::{stderr, io_error, fs};
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use extra::getopts::groups;
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fn main() {
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let args = os::args();
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let program = args[0].clone();
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let opts = ~[
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groups::optflag("", "ignore-fail-on-non-empty", "ignore each failure that is solely because a directory is non-empty"),
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groups::optflag("p", "parents", "remove DIRECTORY and its ancestors; e.g., 'rmdir -p a/b/c' is similar to rmdir a/b/c a/b a"),
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groups::optflag("v", "verbose", "output a diagnostic for every directory processed"),
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groups::optflag("h", "help", "print this help and exit"),
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groups::optflag("V", "version", "output version information and exit")
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];
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let matches = match groups::getopts(args.tail(), opts) {
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Ok(m) => m,
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Err(f) => {
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writeln!(&mut stderr() as &mut Writer, "{}", f.to_err_msg());
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os::set_exit_status(1);
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return
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}
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};
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if matches.opt_present("help") {
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println("rmdir 1.0.0");
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println("");
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println("Usage:");
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println!(" {0:s} [OPTION]... DIRECTORY...", program);
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println("");
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print(groups::usage("Remove the DIRECTORY(ies), if they are empty.", opts));
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} else if matches.opt_present("version") {
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println("rmdir 1.0.0");
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} else if matches.free.is_empty() {
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writeln!(&mut stderr() as &mut Writer, "Missing an argument");
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writeln!(&mut stderr() as &mut Writer,
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"For help, try '{0:s} --help'", program);
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os::set_exit_status(1);
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} else {
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let ignore = matches.opt_present("ignore-fail-on-non-empty");
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let parents = matches.opt_present("parents");
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let verbose = matches.opt_present("verbose");
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remove(matches.free, ignore, parents, verbose);
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}
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}
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fn remove(dirs: &[~str], ignore: bool, parents: bool, verbose: bool) {
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for dir in dirs.iter() {
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let path = Path::new(dir.to_owned());
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if path.exists() {
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if path.is_dir() {
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remove_dir(&path, dir, ignore, parents, verbose);
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} else {
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writeln!(&mut stderr() as &mut Writer,
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"Failed to remove '{}' (file)", *dir);
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os::set_exit_status(1);
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}
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} else {
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writeln!(&mut stderr() as &mut Writer,
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"No such file or directory '{}'", *dir);
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os::set_exit_status(1);
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}
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}
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}
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fn remove_dir(path: &Path, dir: &~str, ignore: bool, parents: bool, verbose: bool) {
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if fs::walk_dir(path).next() == None {
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io_error::cond.trap(|_| {
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writeln!(&mut stderr() as &mut Writer,
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"Failed to remove directory '{}'", *dir);
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os::set_exit_status(1);
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}).inside(|| {
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fs::rmdir(path);
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if verbose {
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println!("Removed directory '{}'", *dir);
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}
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if parents {
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let dirname = path.dirname_str().unwrap();
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if dirname != "." {
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remove_dir(&Path::new(dirname), &dirname.to_owned(), ignore, parents, verbose);
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}
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}
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});
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} else if !ignore {
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writeln!(&mut stderr() as &mut Writer,
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"Failed to remove directory '{}' (non-empty)", *dir);
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os::set_exit_status(1);
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}
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}
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