42 lines
1.4 KiB
Rust
42 lines
1.4 KiB
Rust
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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::io::{TempDir, Command, fs};
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use std::os;
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use std::task::TaskBuilder;
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fn main() {
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// If we're the child, make sure we were invoked correctly
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let args = os::args();
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if args.len() > 1 && args.get(1).as_slice() == "child" {
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return assert_eq!(args.get(0).as_slice(), "mytest");
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}
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test();
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}
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fn test() {
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// If we're the parent, copy our own binary to a tempr directory, and then
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// make it executable.
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let dir = TempDir::new("mytest").unwrap();
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let me = os::self_exe_name().unwrap();
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let dest = dir.path().join(format!("mytest{}", os::consts::EXE_SUFFIX));
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fs::copy(&me, &dest).unwrap();
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// Append the temp directory to our own PATH.
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let mut path = os::split_paths(os::getenv("PATH").unwrap_or(String::new()));
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path.push(dir.path().clone());
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let path = os::join_paths(path.as_slice()).unwrap();
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Command::new("mytest").env("PATH", path.as_slice())
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.arg("child")
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.spawn().unwrap();
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}
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