/
process-remove-from-env.rs
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/
process-remove-from-env.rs
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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::io::Command;
use std::os;
#[cfg(all(unix, not(target_os="android")))]
pub fn env_cmd() -> Command {
Command::new("env")
}
#[cfg(target_os="android")]
pub fn env_cmd() -> Command {
let mut cmd = Command::new("/system/bin/sh");
cmd.arg("-c").arg("set");
cmd
}
#[cfg(windows)]
pub fn env_cmd() -> Command {
let mut cmd = Command::new("cmd");
cmd.arg("/c").arg("set");
cmd
}
fn main() {
// save original environment
let old_env = os::getenv("RUN_TEST_NEW_ENV");
os::setenv("RUN_TEST_NEW_ENV", "123");
let mut cmd = env_cmd();
cmd.env_remove("RUN_TEST_NEW_ENV");
// restore original environment
match old_env {
None => os::unsetenv("RUN_TEST_NEW_ENV"),
Some(val) => os::setenv("RUN_TEST_NEW_ENV", val.as_slice())
}
let prog = cmd.spawn().unwrap();
let result = prog.wait_with_output().unwrap();
let output = String::from_utf8_lossy(result.output.as_slice());
assert!(!output.as_slice().contains("RUN_TEST_NEW_ENV"),
"found RUN_TEST_NEW_ENV inside of:\n\n{}", output);
}