#![allow(unused)]

use std::process::Command;

fn main() {
    let sserver = match Command::new("hostname").output() {
        Ok(rs) => rs.stdout,
        Err(_) => Vec::from("default"),
    };

    let mut sttcmd = Command::new("systemctl");
    let mut sttrpt = Vec::new();
    let mut stterr = Vec::new();
    let mut sttstt: Option<i32> = Some(0);

    sttcmd.args(&["status", "some_service", "-l"]);

    let mut osttrs = match sttcmd.output() {
        Ok(rs) => Some(rs),
        Err(e) => {
            stterr.push(Vec::from(
                "cmd 'systemctl status some_service -l': execution failed!",
            ));
            stterr.push(Vec::from(format!("msg: '{:?}'", e)));

            sttstt = Some(1);

            None
        }
    };

    if osttrs.is_some() {
        sttrpt.push(osttrs.as_ref().unwrap().stdout);
        stterr.push(osttrs.as_ref().unwrap().stderr);
        sttstt = osttrs.as_ref().unwrap().status.code();
    }

    println!("server name: '{:?}'", sserver);
    println!("stt stt (code: '{}'):\n", sttstt.unwrap());
    println!("stt rpt vec u8 (count: '{}'):\n{:?}", sttrpt.len(), sttrpt);
    println!("stt err vec u8 (count: '{}'):\n{:?}", stterr.len(), stterr);
}