coreutils/mkmain.rs
2018-08-05 21:37:35 -05:00

36 lines
971 B
Rust

use std::env;
use std::io::Write;
use std::fs::File;
use std::path::Path;
static TEMPLATE: &'static str = "\
extern crate uu_@UTIL_CRATE@;
extern crate uucore;
use std::io::Write;
use uu_@UTIL_CRATE@::uumain;
fn main() {
uucore::panic::install_sigpipe_hook();
let code = uumain(uucore::args().collect());
// Since stdout is line-buffered by default, we need to ensure any pending
// writes are flushed before exiting. Ideally, this should be enforced by
// each utility.
//
// See: https://github.com/rust-lang/rust/issues/23818
//
std::io::stdout().flush().expect(\"could not flush stdout\");
std::process::exit(code);
}
";
pub fn main() {
let out_dir = env::var("OUT_DIR").unwrap();
let pkgname = env::var("CARGO_PKG_NAME").unwrap();
let main = TEMPLATE.replace("@UTIL_CRATE@", &pkgname);
let mut file = File::create(&Path::new(&out_dir).join("main.rs")).unwrap();
write!(file, "{}", main).unwrap();
}