warp/warp-runner/src/executor.rs

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Rust
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2018-10-09 20:21:06 +02:00
use std::env;
use std::process::Command;
use std::process::Stdio;
use std::path::Path;
#[cfg(target_family = "windows")]
const PATH_SEPARATOR: char = ';';
#[cfg(target_family = "unix")]
const PATH_SEPARATOR: char = ':';
pub fn execute(path: &Path, prog: &str) {
let path_str = path.as_os_str().to_os_string().into_string().unwrap();
let path_env = match env::var("PATH") {
Ok(p) => format!("{}{}{}", &path_str, PATH_SEPARATOR, &p),
_ => path_str
};
let mut args: Vec<String> = env::args().collect();
args[0] = prog.to_owned();
trace!("PATH={:?} prog={:?} args={:?}", path_env, prog, args);
Command::new(prog)
.env("PATH", path_env)
.args(args)
.stdin(Stdio::inherit())
.stdout(Stdio::inherit())
.stderr(Stdio::inherit())
.spawn()
.unwrap_or_else(|_| panic!("{} failed to start", prog))
.wait()
.unwrap_or_else(|_| panic!("{} failed to wait", prog));
}