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use colored::Colorize;
#[macro_export]
macro_rules! run_cmd {
($fmt:literal, $($arg:tt)*) => {
$crate::run_cmd(format!($fmt, $($arg)*))
};
($cmd:expr) => {
$crate::run_cmd($cmd)
};
}
/// Run a shell command and capture its combined stdout+stderr output.
/// Returns `Ok(output)` on success, `Err((exit_code, stderr))` on failure.
#[macro_export]
macro_rules! run_cmd_and_capture_stderr {
($fmt:literal, $($arg:tt)*) => {
$crate::run_cmd_capture(format!($fmt, $($arg)*))
};
($cmd:expr) => {
$crate::run_cmd_capture($cmd)
};
}
#[macro_export]
macro_rules! println_cargo_style {
($fmt:literal, $($arg:tt)*) => {
$crate::println_cargo_style(format!($fmt, $($arg)*))
};
($cmd:expr) => {
$crate::println_cargo_style($cmd)
};
}
#[macro_export]
macro_rules! eprintln_cargo_style {
($fmt:literal, $($arg:tt)*) => {
$crate::eprintln_cargo_style(format!($fmt, $($arg)*))
};
($cmd:expr) => {
$crate::eprintln_cargo_style($cmd)
};
}
/// Print a message in cargo style format, with bold green prefix.
///
/// # Panics
///
/// Panics if the prefix (text before the first `:`) exceeds 12 characters.
pub fn println_cargo_style(str: impl Into<String>) {
let s = str.into();
let (prefix, content) = if let Some(pos) = s.find(':') {
(
s[..pos].trim().to_string(),
s[pos + 1..].trim_start().to_string(),
)
} else {
(String::new(), s.trim().to_string())
};
assert!(
prefix.len() <= 12,
"prefix length exceeds 12: '{}' has length {}",
prefix,
prefix.len()
);
let padding = " ".repeat(12 - prefix.len());
println!(
"{}{} {}",
padding,
prefix.bold().bright_green(),
content.trim()
);
}
pub fn eprintln_cargo_style(str: impl Into<String>) {
println!("{}: {}", "error".bold().bright_red(), str.into());
}
/// Run a shell command and return its exit status.
///
/// # Panics
///
/// Panics if the shell command cannot be spawned (e.g. the shell binary is not found).
///
/// # Errors
///
/// Returns `Err` with the exit code if the command finishes with a non-zero exit code.
pub fn run_cmd(cmd: impl Into<String>) -> Result<(), i32> {
let shell = if cfg!(target_os = "windows") {
"powershell"
} else {
"sh"
};
let status = std::process::Command::new(shell)
.arg("-c")
.arg(cmd.into())
.current_dir(std::env::current_dir().unwrap_or_else(|_| std::path::PathBuf::from(".")))
.status()
.expect("failed to execute command");
let exit_code = status.code().unwrap_or(1);
if exit_code == 0 {
Ok(())
} else {
Err(exit_code)
}
}
/// Run a shell command and capture its combined stdout+stderr output.
///
/// On success returns `Ok(combined_output)`. On failure returns `Err((exit_code, stderr))`.
/// Stderr falls back to stdout if stderr is empty.
pub fn run_cmd_capture(cmd: impl Into<String>) -> Result<String, (i32, String)> {
let shell = if cfg!(target_os = "windows") {
"powershell"
} else {
"sh"
};
let output = std::process::Command::new(shell)
.arg("-c")
.arg(cmd.into())
.current_dir(std::env::current_dir().unwrap_or_else(|_| std::path::PathBuf::from(".")))
.output()
.expect("failed to execute command");
let exit_code = output.status.code().unwrap_or(1);
let stderr = String::from_utf8_lossy(&output.stderr).to_string();
let stdout = String::from_utf8_lossy(&output.stdout).to_string();
let combined = if stderr.is_empty() { stdout } else { stderr };
if exit_code == 0 {
Ok(combined)
} else {
Err((exit_code, combined))
}
}
#[must_use]
pub fn cargo_tomls() -> Vec<std::path::PathBuf> {
let mut cargo_tomls = Vec::new();
let mut dirs = vec![std::path::PathBuf::from(".")];
while let Some(dir) = dirs.pop() {
if let Ok(entries) = std::fs::read_dir(&dir) {
for entry in entries.flatten() {
let path = entry.path();
if path.is_dir() {
// Skip the dev_tools directory
if path.file_name().and_then(|n| n.to_str()) == Some("dev_tools") {
continue;
}
dirs.push(path);
} else if path.file_name().and_then(|n| n.to_str()) == Some("Cargo.toml") {
cargo_tomls.push(path);
}
}
}
}
cargo_tomls
}
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