RGBCube/uutils-coreutils
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Merge pull request #174 from ebfe/fix-cp

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Add cp back to Makefile and fix build.
This commit is contained in:
Arcterus 2014-05-17 10:12:40 -07:00
commit f1f8b7252d
2 changed files with 25 additions and 24 deletions
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1
Makefile
View file

@ -7,6 +7,7 @@ PROGS := \
cat \
cksum \
comm \
cp \
dirname \
echo \
env \

48
cp/cp.rs
View file

@ -1,6 +1,6 @@
#[crate_id(name="cp", vers="1.0.0", author="Jordy Dickinson")];
#[feature(macro_rules)];
#[feature(phase)];
#![crate_id(name="cp", vers="1.0.0", author="Jordy Dickinson")]
#![feature(macro_rules)]
#![feature(phase)]
/*
* This file is part of the uutils coreutils package.
@ -32,7 +32,7 @@ pub enum Mode {
}
fn main() {
let args = os::args();
let args: Vec<StrBuf> = os::args().iter().map(|x| x.to_strbuf()).collect();
let opts = ~[
optflag("h", "help", "display this help and exit"),
optflag("", "version", "output version information and exit"),
@ -45,7 +45,7 @@ fn main() {
},
};
let progname = args[0].clone();
let progname = args.get(0);
let usage = usage("Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.", opts);
let mode = if matches.opt_present("version") {
Version
@ -57,7 +57,7 @@ fn main() {
match mode {
Copy => copy(matches),
Help => help(progname, usage),
Help => help(progname.as_slice(), usage.as_slice()),
Version => version(),
}
}
@ -76,27 +76,27 @@ fn help(progname: &str, usage: &str) {
}
fn copy(matches: getopts::Matches) {
let sources = if matches.free.len() < 1 {
let sources : Vec<Path> = if matches.free.len() < 1 {
error!("error: Missing SOURCE argument. Try --help.");
fail!()
} else {
// All but the last argument:
matches.free.slice(0, matches.free.len() - 2)
.map(|arg| ~Path::new(arg.clone()))
matches.free.slice(0, matches.free.len() - 2).iter()
.map(|arg| Path::new(arg.clone())).collect()
};
let dest = if matches.free.len() < 2 {
error!("error: Missing DEST argument. Try --help.");
fail!()
} else {
// Only the last argument:
~Path::new(matches.free[matches.free.len() - 1].clone())
Path::new(matches.free.get(matches.free.len() - 1).as_slice())
};
assert!(sources.len() >= 1);
if sources.len() == 1 {
let source = sources[0].clone();
let same_file = match paths_refer_to_same_file(source, dest) {
let source = sources.get(0);
let same_file = match paths_refer_to_same_file(source, &dest) {
Ok(b) => b,
Err(e) => if e.kind == io::FileNotFound {
false
@ -113,7 +113,7 @@ fn copy(matches: getopts::Matches) {
fail!();
}
let io_result = fs::copy(source, dest);
let io_result = fs::copy(source, &dest);
if io_result.is_err() {
let err = io_result.unwrap_err();
@ -121,13 +121,13 @@ fn copy(matches: getopts::Matches) {
fail!();
}
} else {
if fs::stat(dest).unwrap().kind != io::TypeDirectory {
if fs::stat(&dest).unwrap().kind != io::TypeDirectory {
error!("error: TARGET must be a directory");
fail!();
}
for source in sources.iter() {
if fs::stat(*source).unwrap().kind != io::TypeFile {
if fs::stat(source).unwrap().kind != io::TypeFile {
error!("error: \"{:s}\" is not a file", source.display().to_str());
continue;
}
@ -138,7 +138,7 @@ fn copy(matches: getopts::Matches) {
println!("{:s}", full_dest.display().to_str());
let io_result = fs::copy(*source, full_dest);
let io_result = fs::copy(source, &full_dest);
if io_result.is_err() {
let err = io_result.unwrap_err();
@ -150,29 +150,29 @@ fn copy(matches: getopts::Matches) {
}
pub fn paths_refer_to_same_file(p1: &Path, p2: &Path) -> io::IoResult<bool> {
let mut raw_p1 = ~p1.clone();
let mut raw_p2 = ~p2.clone();
let mut raw_p1 = p1.clone();
let mut raw_p2 = p2.clone();
let p1_lstat = match fs::lstat(raw_p1) {
let p1_lstat = match fs::lstat(&raw_p1) {
Ok(stat) => stat,
Err(e) => return Err(e),
};
let p2_lstat = match fs::lstat(raw_p2) {
let p2_lstat = match fs::lstat(&raw_p2) {
Ok(stat) => stat,
Err(e) => return Err(e),
};
// We have to take symlinks and relative paths into account.
if p1_lstat.kind == io::TypeSymlink {
raw_p1 = ~fs::readlink(raw_p1).unwrap();
raw_p1 = fs::readlink(&raw_p1).unwrap();
}
raw_p1 = ~os::make_absolute(raw_p1);
raw_p1 = os::make_absolute(&raw_p1);
if p2_lstat.kind == io::TypeSymlink {
raw_p2 = ~fs::readlink(raw_p2).unwrap();
raw_p2 = fs::readlink(&raw_p2).unwrap();
}
raw_p2 = ~os::make_absolute(raw_p2);
raw_p2 = os::make_absolute(&raw_p2);
Ok(raw_p1 == raw_p2)
}