mirror of
https://github.com/uutils/coreutils
synced 2024-12-15 07:42:48 +00:00
156 lines
4.6 KiB
Rust
156 lines
4.6 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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#![feature(macro_rules)]
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extern crate getopts;
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extern crate libc;
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use std::os;
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use std::io::fs;
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use std::io::FilePermission;
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use std::num::strconv;
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#[path = "../common/util.rs"]
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mod util;
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static NAME: &'static str = "mkdir";
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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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#[allow(dead_code)]
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fn main() { uumain(os::args()); }
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pub fn uumain(args: Vec<String>) {
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let opts = ~[
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// Linux-specific options, not implemented
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// getopts::optflag("Z", "context", "set SELinux secutiry context" +
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// " of each created directory to CTX"),
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getopts::optopt("m", "mode", "set file mode", "755"),
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getopts::optflag("p", "parents", "make parent directories as needed"),
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getopts::optflag("v", "verbose",
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"print a message for each printed directory"),
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getopts::optflag("h", "help", "display this help"),
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getopts::optflag("V", "version", "display this version")
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];
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let matches = match getopts::getopts(args.tail(), opts) {
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Ok(m) => m,
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Err(f) => {
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crash!(1, "Invalid options\n{}", f.to_err_msg());
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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 verbose_flag = matches.opt_present("verbose");
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let mk_parents = 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".to_string()]);
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let mode: FilePermission = if mode_match.is_some() {
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let m = mode_match.unwrap();
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let res: Option<u32> = strconv::from_str_common(m.as_slice(), 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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unsafe { std::mem::transmute(res.unwrap()) }
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} else {
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crash!(1, "no mode given");
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}
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} else {
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unsafe { std::mem::transmute(0o755 as u32) }
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};
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let dirs = matches.free;
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if dirs.is_empty() {
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crash!(1, "missing operand");
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}
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exec(dirs, mk_parents, mode, verbose_flag);
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}
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fn print_help(opts: &[getopts::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!("{}", getopts::usage("Create the given DIRECTORY(ies) 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: Vec<String>, mk_parents: bool, mode: FilePermission, verbose: bool) {
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let mut parent_dirs = Vec::new();
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if mk_parents {
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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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let parent = path.dirname_str();
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match parent {
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Some(p) => {
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if !Path::new(p).exists() {
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parent_dirs.push(p.to_string())
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}
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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 = 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 = Path::new(parent).exists();
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if parent_exists && !path.exists() {
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mkdir(&path, mode);
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if verbose {println!("{}", *dir);}
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} else if !mk_parents {
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let error_msg =
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if !parent_exists {
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format!("parent directory '{}' does not exist", parent)
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} else {
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format!("directory '{}' already exists", *dir)
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};
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show_error!(1, "{}", 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: FilePermission) {
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match fs::mkdir(path, mode) {
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Ok(_) => {},
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Err(e) => {
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crash!(1, "test {}", e.to_str());
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}
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}
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}
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