coreutils/mkmain.rs
2015-01-29 08:47:43 +01:00

37 lines
798 B
Rust

#![allow(unstable)]
use std::old_io::{File, Truncate, ReadWrite};
use std::os;
use std::path::Path;
static TEMPLATE: &'static str = "\
#![allow(unstable)]
extern crate \"@UTIL_CRATE@\" as uu@UTIL_CRATE@;
use std::os;
use uu@UTIL_CRATE@::uumain;
fn main() {
os::set_exit_status(uumain(os::args()));
}
";
fn main() {
let args = os::args();
if args.len() != 3 {
println!("usage: mkbuild <crate> <outfile>");
os::set_exit_status(1);
return;
}
let crat = args[1].as_slice();
let outfile = args[2].as_slice();
let main = TEMPLATE.replace("@UTIL_CRATE@", crat);
let mut out = File::open_mode(&Path::new(outfile), Truncate, ReadWrite);
match out.write_all(main.as_bytes()) {
Err(e) => panic!("{}", e),
_ => (),
}
}