terminal bootstrap

bootstrap.rs

// rustc -O bootstrap.rs

use std::env;
use std::process::Command;

#[cfg(target_os = "windows")]
fn terminal() -> Command {
    Command::new("msys2.exe")
        .env("CHERE_INVOKING", "1")
}

#[cfg(target_os = "linux")]
fn terminal() -> Command {
    Command::new("/home/vizee/.cargo/bin/alacritty")
}

fn main() {
    let wd = env::current_dir().unwrap();
    let root = env::args()
        .skip(1)
        .next()
        .map(|s| std::path::PathBuf::from(s))
        .unwrap_or(wd.clone());

    terminal()
        .current_dir(if wd.starts_with(&root) { wd } else { root })
        .spawn()
        .unwrap();
}