envhub-hm 0.2.4

use std::{env, process::Command};
use users::get_current_username;

use anyhow::Error;

pub fn install() -> Result<(), Error> {
    let user = match get_current_username() {
        Some(user) => user.to_string_lossy().to_string(),
        None => "root".to_string(),
    };

    env::set_var("USER", user);
    env::set_var(
        "PATH",
        format!(
            "{}:{}",
            env::var("PATH")?,
            "/nix/var/nix/profiles/default/bin"
        ),
    );
    let mut child = Command::new("sh")
        .arg("-c")
        .arg("type systemctl > /dev/null")
        .spawn()?;
    let status = child.wait()?;
    let init = match status.code() {
        Some(0) => "",
        _ => "--init none",
    };

    let linux = match std::env::consts::OS {
        "linux" => format!("linux --extra-conf 'sandbox = false' {}", init),
        _ => "".to_string(),
    };
    let mut child = Command::new("sh")
        .arg("-c")
        .arg(format!("type nix > /dev/null || curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install {}", linux))
        .spawn()?;
    child.wait()?;

    let mut child = Command::new("sh")
        .arg("-c")
        .arg(format!("type nix > /dev/null || curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install {} --no-confirm", linux))
        .spawn()?;
    child.wait()?;

    Ok(())
}