dotfiles/src/update.rs

use std::env::current_exe;
use std::fs;
use std::fs::File;
use std::os::unix::process::CommandExt;
use std::path::Path;

const GITEA_KEY: &str = "786666bd8bce93c562c4fc4c83933faa6cbdc802";

pub fn check_for_updates(version: &str) {
    print!("Checking for updates... ");
    let resp: serde_json::Value = attohttpc::get("https://gitea.mattv.de/api/v1/repos/root/dotfiles/branches/installer")
        .header("accept", "application/json")
        .header("Authorization", format!("token {GITEA_KEY}"))
        .send().unwrap().json().unwrap();
    let newest = resp["commit"]["id"].as_str().unwrap();
    if newest != version {
        println!("New version {newest}");
        let exe = current_exe().unwrap();
        let temp = Path::new("temp");

        print!("Downloading... ");
        attohttpc::get(format!("https://gitea.mattv.de/api/packages/root/generic/installer/{newest}/installer-amd64"))
            .header("Authorization", format!("token {GITEA_KEY}"))
            .send().unwrap().write_to(File::create(temp).unwrap()).unwrap();
        println!("Done");

        fs::set_permissions(&temp, exe.metadata().unwrap().permissions()).unwrap();

        fs::rename(&temp, &exe).unwrap();

        std::process::Command::new(exe).exec();
        std::process::exit(1);
    }
    println!("No new version");
}