ockam_command 0.104.0

End-to-end encryption and mutual authentication for distributed applications.
Documentation 
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use clap::crate_version;
use colorful::Colorful;
use ockam_core::env::get_env_with_default;
use serde::Deserialize;
use std::env;
use tokio::runtime::Builder;

#[derive(Deserialize)]
struct UpgradeFile {
    upgrade_message: Option<String>,
    upgrade_message_macos: Option<String>,
}

pub fn check_if_an_upgrade_is_available() {
    if !upgrade_check_is_disabled() {
        // check if a new version has been released
        Builder::new_current_thread()
            .enable_all()
            .build()
            .unwrap()
            .block_on(check());
    }
}

async fn check() {
    let url = format!(
        "https://github.com/build-trust/ockam/releases/download/ockam_v{}/upgrade.json",
        crate_version!()
    );
    let resp = reqwest::get(url).await;

    if let Ok(r) = resp {
        if let Ok(upgrade) = r.json::<UpgradeFile>().await {
            if let Some(message) = upgrade.upgrade_message {
                eprintln!("\n{}", message.yellow());

                if cfg!(target_os = "macos") {
                    if let Some(message) = upgrade.upgrade_message_macos {
                        eprintln!("\n{}", message.yellow());
                    }
                }

                eprintln!();
            }
        }
    }
}

fn upgrade_check_is_disabled() -> bool {
    get_env_with_default("OCKAM_DISABLE_UPGRADE_CHECK", false).unwrap_or(false)
}