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40 lines
1.3 KiB
Rust
40 lines
1.3 KiB
Rust
// Copyright (c) 2017 fd developers
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// Licensed under the Apache License, Version 2.0
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// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0>
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// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
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// at your option. All files in the project carrying such
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// notice may not be copied, modified, or distributed except
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// according to those terms.
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use std::io;
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use std::io::Write;
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use std::process::Command;
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use std::sync::{Arc, Mutex};
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/// Executes a command.
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pub fn execute_command(mut cmd: Command, out_perm: Arc<Mutex<()>>) {
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// Spawn the supplied command.
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let output = cmd.output();
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// Then wait for the command to exit, if it was spawned.
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match output {
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Ok(output) => {
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// While this lock is active, this thread will be the only thread allowed
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// to write its outputs.
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let _lock = out_perm.lock().unwrap();
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let stdout = io::stdout();
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let stderr = io::stderr();
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let _ = stdout.lock().write_all(&output.stdout);
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let _ = stderr.lock().write_all(&output.stderr);
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}
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Err(why) => {
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if why.kind() == io::ErrorKind::NotFound {
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eprintln!("fd: execution error: command not found");
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} else {
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eprintln!("fd: execution error: {}", why);
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}
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}
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}
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}
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