easyssh 0.2.1

make ssh easy - hosts, keys, tunnels, mounts and file copies in one CLI + TUI
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//! `essh update` - update easyssh itself to the latest release on crates.io by
//! shelling out to `cargo install easyssh --force`. The crate is `easyssh` even
//! though the command you type is `essh`, so that is what cargo reinstalls.

use colored::Colorize;
use std::io::{self, Write};
use std::process::Command;

#[derive(clap::Args)]
pub struct Args {
    /// Skip the confirmation prompt
    #[arg(short, long)]
    pub yes: bool,
}

pub fn run(args: Args) {
    if !args.yes && !confirm() {
        println!("{}", "Aborted.".dimmed());
        return;
    }

    println!("{} {}\n", "Updating easyssh via".dimmed(), "cargo install easyssh --force".bold());

    match Command::new("cargo").args(["install", "easyssh", "--force"]).status() {
        Ok(status) if status.success() => {
            println!("\n{}", "✓ essh is up to date.".green());
        }
        Ok(status) => {
            eprintln!("\n{}", "✗ update failed.".red());
            std::process::exit(status.code().unwrap_or(1));
        }
        Err(e) => {
            eprintln!("{} {e}", "essh: could not run cargo:".red());
            eprintln!("{}", "is cargo installed and on your PATH? (https://rustup.rs)".dimmed());
            std::process::exit(127);
        }
    }
}

/// Ask the user to confirm. Defaults to No, so a bare Enter cancels.
fn confirm() -> bool {
    print!("{} {} ", "Update easyssh to the latest release via cargo?".bold(), "[y/N]".dimmed());
    io::stdout().flush().ok();

    let mut input = String::new();
    if io::stdin().read_line(&mut input).is_err() {
        return false;
    }
    matches!(input.trim().to_lowercase().as_str(), "y" | "yes")
}