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// Copyright (C) 2026 Doan Luu Duc Tai <doan@luuduct.ai>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
use std::fmt;
use std::io::{self, Write};
use std::process::{Command, Output};
use anyhow::{Context, Result, bail};
pub(crate) fn capture(command: &mut Command) -> Result<Output> {
let output = command.output().with_context(|| {
format!(
"Could not start {}",
command.get_program().to_string_lossy()
)
})?;
if !output.status.success() {
bail!(
"{} failed ({}): {}",
command.get_program().to_string_lossy(),
output.status,
String::from_utf8_lossy(&output.stderr).trim()
);
}
Ok(output)
}
pub(crate) fn text(command: &mut Command) -> Result<String> {
String::from_utf8(capture(command)?.stdout).context("Command returned non-UTF-8 output")
}
pub(crate) fn run(command: &mut Command) -> Result<()> {
let status = command.status().with_context(|| {
format!(
"Could not start {}",
command.get_program().to_string_lossy()
)
})?;
if !status.success() {
bail!(
"{} failed ({status})",
command.get_program().to_string_lossy()
);
}
Ok(())
}
pub(crate) fn available(command: &mut Command) -> bool {
command.output().is_ok_and(|output| output.status.success())
}
pub(crate) fn line(message: fmt::Arguments<'_>) -> Result<()> {
writeln!(io::stdout().lock(), "{message}").context("Could not write command output")
}
pub(crate) fn error(message: fmt::Arguments<'_>) -> io::Result<()> {
writeln!(io::stderr().lock(), "{message}")
}
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