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// nixos-config - My current NixOS configuration
//
// Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This file is part of my nixos-config.
//
// You should have received a copy of the License along with this program.
// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
use std::{
env::args,
io::{BufRead, BufReader, Read, Write},
path::PathBuf,
process::{Command, Stdio},
thread::JoinHandle,
};
use anyhow::{Context, Result};
fn main() -> Result<()> {
let args = args().skip(1).collect::<Vec<_>>();
let mut cmd = Command::new(&args[0]);
if let Some(arguments) = args.get(1) {
cmd.args(arguments.split(" ").collect::<Vec<_>>().as_slice());
}
eprintln!("notify-run> Spawning {:?}", cmd);
let mut child = cmd
.stderr(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
.with_context(|| format!("Failed to spawn {:?}", cmd))?;
let (stdout, stderr) = (
child.stdout.take().expect("Was piped"),
child.stderr.take().expect("Was piped"),
);
let name = PathBuf::from(&args[0])
.file_name()
.expect("this to be a command, and thus have a file_name")
.to_string_lossy()
.to_string();
let stdout_t = write_thread(stdout, name.to_owned());
let stderr_t = write_thread(stderr, name.to_owned());
stdout_t
.join()
.unwrap()
.context("Failed to join stdout thread")?;
stderr_t
.join()
.unwrap()
.context("Failed to join stderr thread")?;
let status = child.wait().context("Failed to wait for child output")?;
if !status.success() {
let mut notify_send = Command::new("notify-send");
notify_send.args([format!("Command {:?} failed", cmd).as_str()]);
notify_send.status().with_context(|| {
format!(
"Failed to run `notify-send` to tell about failed command ({:?}).",
cmd
)
})?;
}
Ok(())
}
fn write_thread<R: Read + Send + 'static>(input: R, name: String) -> JoinHandle<Result<()>> {
std::thread::spawn(move || {
let mut reader = BufReader::new(input);
let mut buf = String::new();
loop {
buf.clear();
if reader
.read_line(&mut buf)
.context("Failed to read from child output")?
== 0
{
break;
}
write!(std::io::stdout(), "{name}> {buf}")?;
}
Ok(())
})
}
|
