Initial commit
This commit is contained in:
commit
251ab32f59
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/target
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Cargo.lock
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[package]
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name = "async-process"
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version = "0.1.0"
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authors = ["Stjepan Glavina <stjepang@gmail.com>"]
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edition = "2018"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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async-channel = "1.4.0"
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cfg-if = "0.1.10"
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futures-lite = "0.1.11"
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once_cell = "1.4.1"
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[target.'cfg(unix)'.dependencies]
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async-io = "0.1.11"
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signal-hook = { version = "0.1.16", default-features = false }
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[target.'cfg(windows)'.dependencies]
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blocking = "0.5.1"
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[target.'cfg(windows)'.dependencies.winapi]
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version = "0.3.9"
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features = [
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"handleapi",
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"winerror",
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"minwindef",
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"processthreadsapi",
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"synchapi",
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"threadpoollegacyapiset",
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"winbase",
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"winnt",
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]
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use std::io;
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use std::os::unix::process::ExitStatusExt;
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use async_process::{Command, ExitStatus, Stdio};
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use futures_lite::*;
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fn main() -> io::Result<()> {
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future::block_on(async {
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// dbg!(std::process::Command::new("ls").arg(".").spawn()?.wait_with_output())?;
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dbg!(
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Command::new("ls")
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.arg(".")
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.stdout(Stdio::piped())
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.stderr(Stdio::piped())
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.status()
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.await
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)?;
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// let mut child = Command::new("/bin/sh")
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// .arg("-c")
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// .arg("kill -9 $$")
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// .spawn()?;
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// let status = child.status().await?;
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// dbg!(status);
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Ok(())
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})
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}
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version = "Two"
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//! Async execution and interaction with processes.
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#![cfg_attr(unix, forbid(unsafe_code))]
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#![warn(missing_docs, missing_debug_implementations, rust_2018_idioms)]
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use std::ffi::OsStr;
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use std::path::Path;
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use std::pin::Pin;
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use std::sync::{Arc, Mutex};
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use std::task::{Context, Poll};
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use std::thread;
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use async_channel::{Receiver, Sender};
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#[cfg(unix)]
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use async_io::Async;
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#[cfg(windows)]
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use blocking::Unblock;
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use futures_lite::*;
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use once_cell::sync::Lazy;
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#[doc(no_inline)]
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pub use std::process::{ExitStatus, Output, Stdio};
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pub struct Child {
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pub stdin: Option<ChildStdin>,
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pub stdout: Option<ChildStdout>,
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pub stderr: Option<ChildStderr>,
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child: Arc<Mutex<std::process::Child>>,
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exited: Receiver<()>,
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}
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impl Child {
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fn new(mut child: std::process::Child) -> io::Result<Child> {
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cfg_if::cfg_if! {
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if #[cfg(windows)] {
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use std::os::windows::io::AsRawHandle;
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use std::sync::mpsc;
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use winapi::um::{
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winbase::{RegisterWaitForSingleObject, INFINITE},
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winnt::{BOOLEAN, HANDLE, PVOID, WT_EXECUTEINWAITTHREAD, WT_EXECUTEONLYONCE},
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};
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// This channel is used to simulate SIGCHLD on Windows.
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static SIGCHLD: Lazy<(mpsc::SyncSender<()>, Mutex<mpsc::Receiver<()>>)> =
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Lazy::new(|| {
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let (s, r) = mpsc::sync_channel(1);
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(s, Mutex::new(r))
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});
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// Called when a child exits.
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unsafe extern "system" fn callback(_: PVOID, _: BOOLEAN) {
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let _ = SIGCHLD.0.try_send(());
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}
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// Register this child process to invoke `callback` on exit.
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let mut wait_object = std::ptr::null_mut();
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let ret = unsafe {
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RegisterWaitForSingleObject(
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&mut wait_object,
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child.as_raw_handle() as HANDLE,
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Some(callback),
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std::ptr::null_mut(),
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INFINITE,
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WT_EXECUTEINWAITTHREAD | WT_EXECUTEONLYONCE,
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)
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};
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if ret == 0 {
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return Err(io::Error::last_os_error());
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}
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// Waits for the next SIGCHLD signal.
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fn wait_sigchld() {
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let _ = SIGCHLD.1.lock().unwrap().recv();
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}
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// Wraps a sync I/O type into an async I/O type.
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fn wrap<T>(io: T) -> io::Result<Unblock<T>> {
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Ok(Unblock::new(io))
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}
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} else if #[cfg(unix)] {
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// Waits for the next SIGCHLD signal.
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fn wait_sigchld() {
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static SIGNALS: Lazy<signal_hook::iterator::Signals> = Lazy::new(|| {
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signal_hook::iterator::Signals::new(&[signal_hook::SIGCHLD])
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.expect("cannot set signal handler for SIGCHLD")
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});
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SIGNALS.forever().next();
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}
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// Wraps a sync I/O type into an async I/O type.
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fn wrap<T: std::os::unix::io::AsRawFd>(io: T) -> io::Result<Async<T>> {
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Async::new(io)
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}
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}
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}
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// An entry in the list of running child processes.
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struct Entry {
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child: Arc<Mutex<std::process::Child>>,
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_exited: Sender<()>,
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}
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// The global list of running child processes.
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static CHILDREN: Lazy<Mutex<Vec<Entry>>> = Lazy::new(|| {
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// Start a thread that handles SIGCHLD and notifies tasks when child processes exit.
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thread::Builder::new()
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.name("async-process".to_string())
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.spawn(move || {
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loop {
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// Wait for the next SIGCHLD signal.
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wait_sigchld();
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// Remove processes that have exited. When an entry is removed from this
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// `Vec`, its associated `Sender` is dropped, thus disconnecting the
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// channel and waking up the task waiting on the `Receiver`.
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CHILDREN.lock().unwrap().retain(|entry| {
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let mut child = entry.child.lock().unwrap();
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child.try_wait().expect("error waiting a child").is_none()
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});
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}
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})
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.expect("cannot spawn async-process thread");
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Mutex::new(Vec::new())
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});
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// Convert sync I/O types into async I/O types.
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let stdin = child.stdin.take().map(wrap).transpose()?.map(ChildStdin);
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let stdout = child.stdout.take().map(wrap).transpose()?.map(ChildStdout);
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let stderr = child.stderr.take().map(wrap).transpose()?.map(ChildStderr);
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// Register the child process in the global list.
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let child = Arc::new(Mutex::new(child));
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let (sender, exited) = async_channel::bounded(1);
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CHILDREN.lock().unwrap().push(Entry {
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child: child.clone(),
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_exited: sender,
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});
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Ok(Child {
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stdin,
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stdout,
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stderr,
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child,
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exited,
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})
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}
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pub fn id(&self) -> u32 {
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self.child.lock().unwrap().id()
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}
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pub fn kill(&mut self) -> io::Result<()> {
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self.child.lock().unwrap().kill()
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}
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// NOTE: unlike status(), does not drop stdin
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pub fn try_status(&mut self) -> io::Result<Option<ExitStatus>> {
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self.child.lock().unwrap().try_wait()
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}
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// NOTE: drops stdin
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pub fn status(&mut self) -> impl Future<Output = io::Result<ExitStatus>> {
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self.stdin.take();
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let child = self.child.clone();
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let exited = self.exited.clone();
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async move {
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let _ = exited.recv().await;
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child.lock().unwrap().wait()
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}
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}
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// NOTE: this closes stdin and drains stdout+stderr
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pub fn output(mut self) -> impl Future<Output = io::Result<Output>> {
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let status = self.status();
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let stdout = self.stdout.take();
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let stdout = async move {
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let mut v = Vec::new();
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if let Some(mut s) = stdout {
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s.read_to_end(&mut v).await?;
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}
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Ok(v)
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};
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let stderr = self.stderr.take();
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let stderr = async move {
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let mut v = Vec::new();
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if let Some(mut s) = stderr {
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s.read_to_end(&mut v).await?;
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}
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Ok(v)
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};
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async move {
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let (status, (stdout, stderr)) =
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future::try_join(status, future::try_join(stdout, stderr)).await?;
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Ok(Output {
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status,
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stdout,
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stderr,
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})
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}
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}
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}
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pub struct ChildStdin(
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#[cfg(windows)] Unblock<std::process::ChildStdin>,
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#[cfg(unix)] Async<std::process::ChildStdin>,
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);
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impl AsyncWrite for ChildStdin {
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fn poll_write(
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mut self: Pin<&mut Self>,
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cx: &mut Context<'_>,
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buf: &[u8],
|
||||
) -> Poll<io::Result<usize>> {
|
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Pin::new(&mut self.0).poll_write(cx, buf)
|
||||
}
|
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fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
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Pin::new(&mut self.0).poll_flush(cx)
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}
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fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
|
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Pin::new(&mut self.0).poll_close(cx)
|
||||
}
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}
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pub struct ChildStdout(
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#[cfg(windows)] Unblock<std::process::ChildStdout>,
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#[cfg(unix)] Async<std::process::ChildStdout>,
|
||||
);
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|
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impl AsyncRead for ChildStdout {
|
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fn poll_read(
|
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mut self: Pin<&mut Self>,
|
||||
cx: &mut Context<'_>,
|
||||
buf: &mut [u8],
|
||||
) -> Poll<io::Result<usize>> {
|
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Pin::new(&mut self.0).poll_read(cx, buf)
|
||||
}
|
||||
}
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|
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pub struct ChildStderr(
|
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#[cfg(windows)] Unblock<std::process::ChildStderr>,
|
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#[cfg(unix)] Async<std::process::ChildStderr>,
|
||||
);
|
||||
|
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impl AsyncRead for ChildStderr {
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fn poll_read(
|
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mut self: Pin<&mut Self>,
|
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cx: &mut Context<'_>,
|
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buf: &mut [u8],
|
||||
) -> Poll<io::Result<usize>> {
|
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Pin::new(&mut self.0).poll_read(cx, buf)
|
||||
}
|
||||
}
|
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|
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pub struct Command(std::process::Command);
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|
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impl Command {
|
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pub fn new<S: AsRef<OsStr>>(program: S) -> Command {
|
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Command(std::process::Command::new(program))
|
||||
}
|
||||
|
||||
pub fn arg<S: AsRef<OsStr>>(&mut self, arg: S) -> &mut Command {
|
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self.0.arg(arg);
|
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self
|
||||
}
|
||||
|
||||
pub fn args<I, S>(&mut self, args: I) -> &mut Command
|
||||
where
|
||||
I: IntoIterator<Item = S>,
|
||||
S: AsRef<OsStr>,
|
||||
{
|
||||
self.0.args(args);
|
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self
|
||||
}
|
||||
|
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pub fn env<K, V>(&mut self, key: K, val: V) -> &mut Command
|
||||
where
|
||||
K: AsRef<OsStr>,
|
||||
V: AsRef<OsStr>,
|
||||
{
|
||||
self.0.env(key, val);
|
||||
self
|
||||
}
|
||||
|
||||
pub fn envs<I, K, V>(&mut self, vars: I) -> &mut Command
|
||||
where
|
||||
I: IntoIterator<Item = (K, V)>,
|
||||
K: AsRef<OsStr>,
|
||||
V: AsRef<OsStr>,
|
||||
{
|
||||
self.0.envs(vars);
|
||||
self
|
||||
}
|
||||
|
||||
pub fn env_remove<K: AsRef<OsStr>>(&mut self, key: K) -> &mut Command {
|
||||
self.0.env_remove(key);
|
||||
self
|
||||
}
|
||||
|
||||
pub fn env_clear(&mut self) -> &mut Command {
|
||||
self.0.env_clear();
|
||||
self
|
||||
}
|
||||
|
||||
pub fn current_dir<P: AsRef<Path>>(&mut self, dir: P) -> &mut Command {
|
||||
self.0.current_dir(dir);
|
||||
self
|
||||
}
|
||||
|
||||
pub fn stdin<T: Into<Stdio>>(&mut self, cfg: T) -> &mut Command {
|
||||
self.0.stdin(cfg);
|
||||
self
|
||||
}
|
||||
|
||||
pub fn stdout<T: Into<Stdio>>(&mut self, cfg: T) -> &mut Command {
|
||||
self.0.stdout(cfg);
|
||||
self
|
||||
}
|
||||
|
||||
pub fn stderr<T: Into<Stdio>>(&mut self, cfg: T) -> &mut Command {
|
||||
self.0.stderr(cfg);
|
||||
self
|
||||
}
|
||||
|
||||
pub fn spawn(&mut self) -> io::Result<Child> {
|
||||
Child::new(self.0.spawn()?)
|
||||
}
|
||||
|
||||
pub fn status(&mut self) -> impl Future<Output = io::Result<ExitStatus>> {
|
||||
let child = self.spawn();
|
||||
async { child?.status().await }
|
||||
}
|
||||
|
||||
pub fn output(&mut self) -> impl Future<Output = io::Result<Output>> {
|
||||
self.0.stdout(Stdio::piped());
|
||||
self.0.stderr(Stdio::piped());
|
||||
let child = self.spawn();
|
||||
async { child?.output().await }
|
||||
}
|
||||
}
|
|
@ -0,0 +1,363 @@
|
|||
use std::env;
|
||||
use std::str;
|
||||
|
||||
use async_process::{Command, Output, Stdio};
|
||||
use futures_lite::*;
|
||||
|
||||
#[test]
|
||||
fn smoke() {
|
||||
future::block_on(async {
|
||||
let p = if cfg!(target_os = "windows") {
|
||||
Command::new("cmd").args(&["/C", "exit 0"]).spawn()
|
||||
} else {
|
||||
Command::new("true").spawn()
|
||||
};
|
||||
assert!(p.is_ok());
|
||||
let mut p = p.unwrap();
|
||||
assert!(p.status().await.unwrap().success());
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn smoke_failure() {
|
||||
match Command::new("if-this-is-a-binary-then-the-world-has-ended").spawn() {
|
||||
Ok(..) => panic!(),
|
||||
Err(..) => {}
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn exit_reported_right() {
|
||||
future::block_on(async {
|
||||
let p = if cfg!(target_os = "windows") {
|
||||
Command::new("cmd").args(&["/C", "exit 1"]).spawn()
|
||||
} else {
|
||||
Command::new("false").spawn()
|
||||
};
|
||||
assert!(p.is_ok());
|
||||
let mut p = p.unwrap();
|
||||
assert!(p.status().await.unwrap().code() == Some(1));
|
||||
drop(p.status().await);
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
#[cfg(unix)]
|
||||
fn signal_reported_right() {
|
||||
use std::os::unix::process::ExitStatusExt;
|
||||
|
||||
future::block_on(async {
|
||||
let mut p = Command::new("/bin/sh")
|
||||
.arg("-c")
|
||||
.arg("read a")
|
||||
.stdin(Stdio::piped())
|
||||
.spawn()
|
||||
.unwrap();
|
||||
p.kill().unwrap();
|
||||
match p.status().await.unwrap().signal() {
|
||||
Some(9) => {}
|
||||
result => panic!("not terminated by signal 9 (instead, {:?})", result),
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
pub async fn run_output(mut cmd: Command) -> String {
|
||||
let p = cmd.spawn();
|
||||
assert!(p.is_ok());
|
||||
let mut p = p.unwrap();
|
||||
assert!(p.stdout.is_some());
|
||||
let mut ret = String::new();
|
||||
p.stdout
|
||||
.as_mut()
|
||||
.unwrap()
|
||||
.read_to_string(&mut ret)
|
||||
.await
|
||||
.unwrap();
|
||||
assert!(p.status().await.unwrap().success());
|
||||
return ret;
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn stdout_works() {
|
||||
future::block_on(async {
|
||||
if cfg!(target_os = "windows") {
|
||||
let mut cmd = Command::new("cmd");
|
||||
cmd.args(&["/C", "echo foobar"]).stdout(Stdio::piped());
|
||||
assert_eq!(run_output(cmd).await, "foobar\r\n");
|
||||
} else {
|
||||
let mut cmd = Command::new("echo");
|
||||
cmd.arg("foobar").stdout(Stdio::piped());
|
||||
assert_eq!(run_output(cmd).await, "foobar\n");
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn set_current_dir_works() {
|
||||
future::block_on(async {
|
||||
let mut cmd = Command::new("/bin/sh");
|
||||
cmd.arg("-c")
|
||||
.arg("pwd")
|
||||
.current_dir("/")
|
||||
.stdout(Stdio::piped());
|
||||
assert_eq!(run_output(cmd).await, "/\n");
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn stdin_works() {
|
||||
future::block_on(async {
|
||||
let mut p = Command::new("/bin/sh")
|
||||
.arg("-c")
|
||||
.arg("read line; echo $line")
|
||||
.stdin(Stdio::piped())
|
||||
.stdout(Stdio::piped())
|
||||
.spawn()
|
||||
.unwrap();
|
||||
p.stdin
|
||||
.as_mut()
|
||||
.unwrap()
|
||||
.write("foobar".as_bytes())
|
||||
.await
|
||||
.unwrap();
|
||||
drop(p.stdin.take());
|
||||
let mut out = String::new();
|
||||
p.stdout
|
||||
.as_mut()
|
||||
.unwrap()
|
||||
.read_to_string(&mut out)
|
||||
.await
|
||||
.unwrap();
|
||||
assert!(p.status().await.unwrap().success());
|
||||
assert_eq!(out, "foobar\n");
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_process_status() {
|
||||
future::block_on(async {
|
||||
let mut status = if cfg!(target_os = "windows") {
|
||||
Command::new("cmd")
|
||||
.args(&["/C", "exit 1"])
|
||||
.status()
|
||||
.await
|
||||
.unwrap()
|
||||
} else {
|
||||
Command::new("false").status().await.unwrap()
|
||||
};
|
||||
assert!(status.code() == Some(1));
|
||||
|
||||
status = if cfg!(target_os = "windows") {
|
||||
Command::new("cmd")
|
||||
.args(&["/C", "exit 0"])
|
||||
.status()
|
||||
.await
|
||||
.unwrap()
|
||||
} else {
|
||||
Command::new("true").status().await.unwrap()
|
||||
};
|
||||
assert!(status.success());
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_process_output_fail_to_start() {
|
||||
future::block_on(async {
|
||||
match Command::new("/no-binary-by-this-name-should-exist")
|
||||
.output()
|
||||
.await
|
||||
{
|
||||
Err(e) => assert_eq!(e.kind(), io::ErrorKind::NotFound),
|
||||
Ok(..) => panic!(),
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_process_output_output() {
|
||||
future::block_on(async {
|
||||
let Output {
|
||||
status,
|
||||
stdout,
|
||||
stderr,
|
||||
} = if cfg!(target_os = "windows") {
|
||||
Command::new("cmd")
|
||||
.args(&["/C", "echo hello"])
|
||||
.output()
|
||||
.await
|
||||
.unwrap()
|
||||
} else {
|
||||
Command::new("echo").arg("hello").output().await.unwrap()
|
||||
};
|
||||
let output_str = str::from_utf8(&stdout).unwrap();
|
||||
|
||||
assert!(status.success());
|
||||
assert_eq!(output_str.trim().to_string(), "hello");
|
||||
assert_eq!(stderr, Vec::new());
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_process_output_error() {
|
||||
future::block_on(async {
|
||||
let Output {
|
||||
status,
|
||||
stdout,
|
||||
stderr,
|
||||
} = if cfg!(target_os = "windows") {
|
||||
Command::new("cmd")
|
||||
.args(&["/C", "mkdir ."])
|
||||
.output()
|
||||
.await
|
||||
.unwrap()
|
||||
} else {
|
||||
Command::new("mkdir").arg("./").output().await.unwrap()
|
||||
};
|
||||
|
||||
assert!(status.code() == Some(1));
|
||||
assert_eq!(stdout, Vec::new());
|
||||
assert!(!stderr.is_empty());
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_finish_once() {
|
||||
future::block_on(async {
|
||||
let mut prog = if cfg!(target_os = "windows") {
|
||||
Command::new("cmd").args(&["/C", "exit 1"]).spawn().unwrap()
|
||||
} else {
|
||||
Command::new("false").spawn().unwrap()
|
||||
};
|
||||
assert!(prog.status().await.unwrap().code() == Some(1));
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_finish_twice() {
|
||||
future::block_on(async {
|
||||
let mut prog = if cfg!(target_os = "windows") {
|
||||
Command::new("cmd").args(&["/C", "exit 1"]).spawn().unwrap()
|
||||
} else {
|
||||
Command::new("false").spawn().unwrap()
|
||||
};
|
||||
assert!(prog.status().await.unwrap().code() == Some(1));
|
||||
assert!(prog.status().await.unwrap().code() == Some(1));
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_wait_with_output_once() {
|
||||
future::block_on(async {
|
||||
let prog = if cfg!(target_os = "windows") {
|
||||
Command::new("cmd")
|
||||
.args(&["/C", "echo hello"])
|
||||
.stdout(Stdio::piped())
|
||||
.spawn()
|
||||
.unwrap()
|
||||
} else {
|
||||
Command::new("echo")
|
||||
.arg("hello")
|
||||
.stdout(Stdio::piped())
|
||||
.spawn()
|
||||
.unwrap()
|
||||
};
|
||||
|
||||
let Output {
|
||||
status,
|
||||
stdout,
|
||||
stderr,
|
||||
} = prog.output().await.unwrap();
|
||||
let output_str = str::from_utf8(&stdout).unwrap();
|
||||
|
||||
assert!(status.success());
|
||||
assert_eq!(output_str.trim().to_string(), "hello");
|
||||
assert_eq!(stderr, Vec::new());
|
||||
})
|
||||
}
|
||||
|
||||
#[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
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_override_env() {
|
||||
future::block_on(async {
|
||||
// In some build environments (such as chrooted Nix builds), `env` can
|
||||
// only be found in the explicitly-provided PATH env variable, not in
|
||||
// default places such as /bin or /usr/bin. So we need to pass through
|
||||
// PATH to our sub-process.
|
||||
let mut cmd = env_cmd();
|
||||
cmd.env_clear().env("RUN_TEST_NEW_ENV", "123");
|
||||
if let Some(p) = env::var_os("PATH") {
|
||||
cmd.env("PATH", &p);
|
||||
}
|
||||
let result = cmd.output().await.unwrap();
|
||||
let output = String::from_utf8_lossy(&result.stdout).to_string();
|
||||
|
||||
assert!(
|
||||
output.contains("RUN_TEST_NEW_ENV=123"),
|
||||
"didn't find RUN_TEST_NEW_ENV inside of:\n\n{}",
|
||||
output
|
||||
);
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_add_to_env() {
|
||||
future::block_on(async {
|
||||
let result = env_cmd()
|
||||
.env("RUN_TEST_NEW_ENV", "123")
|
||||
.output()
|
||||
.await
|
||||
.unwrap();
|
||||
let output = String::from_utf8_lossy(&result.stdout).to_string();
|
||||
|
||||
assert!(
|
||||
output.contains("RUN_TEST_NEW_ENV=123"),
|
||||
"didn't find RUN_TEST_NEW_ENV inside of:\n\n{}",
|
||||
output
|
||||
);
|
||||
})
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_capture_env_at_spawn() {
|
||||
future::block_on(async {
|
||||
let mut cmd = env_cmd();
|
||||
cmd.env("RUN_TEST_NEW_ENV1", "123");
|
||||
|
||||
// This variable will not be present if the environment has already
|
||||
// been captured above.
|
||||
env::set_var("RUN_TEST_NEW_ENV2", "456");
|
||||
let result = cmd.output().await.unwrap();
|
||||
env::remove_var("RUN_TEST_NEW_ENV2");
|
||||
|
||||
let output = String::from_utf8_lossy(&result.stdout).to_string();
|
||||
|
||||
assert!(
|
||||
output.contains("RUN_TEST_NEW_ENV1=123"),
|
||||
"didn't find RUN_TEST_NEW_ENV1 inside of:\n\n{}",
|
||||
output
|
||||
);
|
||||
assert!(
|
||||
output.contains("RUN_TEST_NEW_ENV2=456"),
|
||||
"didn't find RUN_TEST_NEW_ENV2 inside of:\n\n{}",
|
||||
output
|
||||
);
|
||||
})
|
||||
}
|
Loading…
Reference in New Issue