// SPDX-FileCopyrightText: 2026 Stan Grams <sjg@haxx.space>
//
// SPDX-License-Identifier: GPL-2.0-or-later

//! Regenerate `trx-rs.toml.example` from the config structs.
//!
//! Run from anywhere in the workspace:
//!
//! ```text
//! cargo run -p trx-config --example generate_example
//! ```
//!
//! A test in `trx_config::example` fails when the checked-in file no longer
//! matches, which is the reminder to run this.

use std::path::PathBuf;

fn main() -> std::io::Result<()> {
    let target: PathBuf = std::env::args()
        .nth(1)
        .map(PathBuf::from)
        .unwrap_or_else(|| {
            PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../trx-rs.toml.example")
        });

    std::fs::write(&target, trx_config::example::combined_example())?;
    println!("Wrote {}", target.display());
    Ok(())
}