Merge pull request #420 from skv-headless/move_util

move utility

src/mv/mv.rs

@@ -0,0 +1,89 @@
+#![crate_name = "mv"]
+
+/*
+ * This file is part of the uutils coreutils package.
+ *
+ * (c) Sokovikov Evgeniy  <skv-headless@yandex.ru>
+ *
+ * For the full copyright and license information, please view the LICENSE file
+ * that was distributed with this source code.
+ */
+
+#![feature(macro_rules)]
+
+extern crate getopts;
+
+use std::io::fs;
+
+use getopts::{
+    getopts,
+    optflag,
+    usage,
+};
+
+static NAME: &'static str = "mv";
+static VERSION:  &'static str = "0.0.1";
+
+#[path = "../common/util.rs"]
+mod util;
+
+pub fn uumain(args: Vec<String>) -> int {
+    let opts = [
+        optflag("h", "help", "display this help and exit"),
+        optflag("V", "version", "output version information and exit"),
+        ];
+    let matches = match getopts(args.tail(), opts) {
+        Ok(m) => m,
+        Err(f) => crash!(1, "Invalid options\n{}", f)
+    };
+
+    let progname = &args[0];
+    let usage = usage("Move SOURCE to DEST", opts);
+
+    if matches.opt_present("version") {
+        println!("{}", VERSION);
+        return 0;
+    }
+
+    if matches.opt_present("help") {
+        help(progname.as_slice(), usage.as_slice());
+        return 0;
+    }
+
+    let source = if matches.free.len() < 1 {
+        println!("error: Missing SOURCE argument. Try --help.");
+        return 1;
+    } else {
+        Path::new(matches.free[0].as_slice())
+    };
+
+    let dest = if matches.free.len() < 2 {
+        println!("error: Missing DEST argument. Try --help.");
+        return 1;
+    } else {
+        Path::new(matches.free[1].as_slice())
+    };
+
+    mv(source, dest)
+}
+
+fn mv(source: Path, dest: Path) -> int {
+    let io_result = fs::rename(&source, &dest);
+
+    if io_result.is_err() {
+        let err = io_result.unwrap_err();
+        println!("error: {:s}", err.to_string());
+        1
+    } else {
+        0
+    }
+}
+
+fn help(progname: &str, usage: &str) {
+    let msg = format!("Usage: {0} SOURCE DEST\n  \
+                         or:  {0} SOURCE... DIRECTORY\n  \
+                       \n\
+                       {1}", progname, usage);
+    println!("{}", msg);
+}
+