mirror of
https://github.com/uutils/coreutils
synced 2024-12-14 23:32:39 +00:00
171 lines
5.1 KiB
Rust
171 lines
5.1 KiB
Rust
#[crate_id(name="mkdir", vers="1.0.0", author="Nicholas Juszczak")];
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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) Nicholas Juszczak <juszczakn@gmail.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::{fs, result, stderr};
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use std::num::strconv;
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use extra::getopts::groups;
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static VERSION: &'static str = "1.0.0";
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/**
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* Handles option parsing
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*/
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fn main() {
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let args: ~[~str] = os::args();
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let opts: ~[groups::OptGroup] = ~[
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// Linux-specific options, not implemented
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// groups::optflag("Z", "context", "set SELinux secutiry context" +
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// " of each created directory to CTX"),
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groups::optopt("m", "mode", "set file mode", "755"),
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groups::optflag("p", "parents", "make parent directories as needed"),
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groups::optflag("v", "verbose",
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"print a message for each printed directory"),
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groups::optflag("", "help", "display this help"),
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groups::optflag("", "version", "display this version")
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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,
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"Invalid options\n{}", 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 args.len() == 1 || matches.opt_present("help") {
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print_help(opts);
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return;
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}
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if matches.opt_present("version") {
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println("mkdir v" + VERSION);
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return;
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}
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let mut verbose_flag: bool = false;
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if matches.opt_present("verbose") {
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verbose_flag = true;
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}
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let mk_parents: bool = matches.opt_present("parents");
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// Translate a ~str in octal form to u32, default to 755
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// Not tested on Windows
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let mode_match = matches.opts_str(&[~"mode"]);
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let mode: u32 = if mode_match.is_some() {
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let m: ~str = mode_match.unwrap();
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let res = strconv::from_str_common(m, 8, false, false, false,
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strconv::ExpNone,
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false, false);
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if res.is_some() {
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res.unwrap()
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} else {
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writeln!(&mut stderr() as &mut Writer,
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"Error: no mode given");
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os::set_exit_status(1);
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return;
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}
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} else {
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0o755
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};
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let dirs: ~[~str] = matches.free;
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exec(dirs, mk_parents, mode, verbose_flag);
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}
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fn print_help(opts: &[groups::OptGroup]) {
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println!("mkdir v{} - make a new directory with the given path", VERSION);
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println("");
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println("Usage:");
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print(groups::usage("Create the given DIRECTORY(ies)" +
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" if they do not exist", opts));
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}
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/**
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* Create the list of new directories
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*/
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fn exec(dirs: ~[~str], mk_parents: bool, mode: u32, verbose: bool) {
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let mut parent_dirs: ~[~str] = ~[];
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for dir in dirs.iter() {
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let path = Path::new((*dir).clone());
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// Build list of parent dirs which need to be created
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if mk_parents {
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match path.dirname_str() {
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Some(p) => if p != "." {
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parent_dirs.push(p.into_owned())
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},
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None => ()
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}
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}
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}
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// Recursively build parent dirs that are needed
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if !parent_dirs.is_empty() {
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exec(parent_dirs, mk_parents, mode, verbose);
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}
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for dir in dirs.iter() {
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let path = Path::new((*dir).clone());
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// Determine if parent directory to the one to
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// be created exists
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let parent: &str = match path.dirname_str() {
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Some(p) => p,
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None => ""
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};
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let parent_exists:bool = Path::new(parent).exists();
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if parent_exists && !path.exists() {
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// if mkdir failed return
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if !mkdir(&path, mode) {return;}
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if verbose {println(*dir);}
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} else {
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let mut error_msg: ~str = ~"";
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if !parent_exists {
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error_msg.push_str("Error: parent directory '");
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error_msg.push_str(parent);
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error_msg.push_str("' does not exist");
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} else {
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error_msg.push_str("Error: directory '");
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error_msg.push_str(*dir);
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error_msg.push_str("' already exists");
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}
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writeln!(&mut stderr() as &mut Writer,
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"{}", error_msg);
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}
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}
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}
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/**
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* Wrapper to catch errors, return false if failed
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*/
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fn mkdir(path: &Path, mode: u32) -> bool {
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match result(|| fs::mkdir(path, mode)) {
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Ok(_) => true,
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Err(e) => {
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writeln!(&mut stderr() as &mut Writer,
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"mkdir: test {}", e.to_str());
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os::set_exit_status(1);
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false
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}
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}
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}
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// #[test]
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// fn create_dir() {
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// let test_dir = "mkdir_test_dir";
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// let path: Path = Path::new(test_dir);
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// let mode: u32 = 0x755;
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// let result = mkdir(&path, mode);
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// fs::rmdir(&path);
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// assert_eq!(true, result);
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// }
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