pkgar 0.1.8

Redox Package Archive
Documentation 
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use std::process;

use clap::{App, AppSettings, Arg, crate_authors, crate_description, crate_name, crate_version, SubCommand};
use pkgar::{
    create,
    extract,
    remove,
    list,
    split,
};
use pkgar_keys::{DEFAULT_PUBKEY, DEFAULT_SECKEY};
use user_error::UFE;

fn main() {
    let (default_pkey, default_skey) = (
        DEFAULT_PUBKEY.to_string_lossy(),
        DEFAULT_SECKEY.to_string_lossy(),
    );

    let help_pkey = format!("Public key file (defaults to '{}')", &default_pkey);
    let help_skey = format!("Secret key file (defaults to '{}')", &default_skey);

    let arg_pkey = Arg::with_name("pkey")
        .help(&help_pkey)
        .short("p")
        .long("pkey")
        .required(true)
        .takes_value(true)
        .value_name("FILE")
        .default_value(&default_pkey);

    let arg_skey = Arg::with_name("skey")
        .help(&help_skey)
        .short("s")
        .long("skey")
        .required(true)
        .takes_value(true)
        .value_name("FILE")
        .default_value(&default_skey);

    let arg_archive = Arg::with_name("archive")
        .help("Archive file")
        .short("a")
        .long("archive")
        .required(true)
        .takes_value(true)
        .value_name("FILE");

    let arg_basedir = Arg::with_name("basedir")
        .help("Directory to unpack to (defaults to '.')")
        .required(true)
        .value_name("DIR")
        .default_value(".");

    let matches = App::new(crate_name!())
        .author(crate_authors!(", "))
        .about(crate_description!())
        .version(crate_version!())
        .setting(AppSettings::SubcommandRequiredElseHelp)
        .subcommand(SubCommand::with_name("create")
            .about("Create archive")
            .arg(&arg_skey)
            .arg(&arg_archive)
            .arg(&arg_basedir)
        )
        .subcommand(SubCommand::with_name("extract")
            .about("Extract archive")
            .arg(&arg_pkey)
            .arg(&arg_archive)
            .arg(&arg_basedir)
        )
        .subcommand(SubCommand::with_name("list")
            .about("List archive")
            .arg(&arg_pkey)
            .arg(&arg_archive)
        )
        .subcommand(SubCommand::with_name("remove")
            .about("Unextract archive")
            .arg(&arg_pkey)
            .arg(&arg_archive)
            .arg(&arg_basedir)
        )
        .subcommand(SubCommand::with_name("split")
            .about("Split archive into head and data files")
            .arg(&arg_pkey)
            .arg(&arg_archive)
            .arg(
                Arg::with_name("head")
                    .help("Header file")
                    .required(true)
                    .value_name("head")
            )
            .arg(
                Arg::with_name("data")
                    .help("Data file")
                    .value_name("data")
            )
        )
        .get_matches();

    let res = if let Some(matches) = matches.subcommand_matches("create") {
        create(
            matches.value_of("skey").unwrap(),
            matches.value_of("archive").unwrap(),
            matches.value_of("basedir").unwrap()
        )
    } else if let Some(matches) = matches.subcommand_matches("extract") {
        extract(
            matches.value_of("pkey").unwrap(),
            matches.value_of("archive").unwrap(),
            matches.value_of("basedir").unwrap()
        )
    } else if let Some(matches) = matches.subcommand_matches("remove") {
        remove(
            matches.value_of("pkey").unwrap(),
            matches.value_of("archive").unwrap(),
            matches.value_of("basedir").unwrap(),
        )
    } else if let Some(matches) = matches.subcommand_matches("list") {
        list(
            matches.value_of("pkey").unwrap(),
            matches.value_of("archive").unwrap()
        )
    } else if let Some(matches) = matches.subcommand_matches("split") {
        split(
            matches.value_of("pkey").unwrap(),
            matches.value_of("archive").unwrap(),
            matches.value_of("head").unwrap(),
            matches.value_of("data")
        )
    } else {
        Ok(())
    };

    match res {
        Ok(()) => (),
        Err(err) => {
            eprintln!("{}", err.into_ufe());
            process::exit(1);
        }
    }
}