ros_add 0.1.2

The Purpose of the Package is to provide the `cargo ros_add` command to add dependencies to `Cargo.toml` and the `package.xml`
Documentation 
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use clap::ArgMatches;
use ros_add::{
    XMLHelper, add_dependency_to_cargo_toml, add_dependency_to_package_xml, env_to_matches,
    path_to_document,
};
use std::{env, io::ErrorKind, path::Path, process::Command};

fn main() -> Result<(), ErrorKind> {
    let matches: ArgMatches = env_to_matches(env::args().collect());

    let dependency = matches.get_one::<String>("dependency").unwrap_or_else(|| {
        panic!(
            "Argument 'dependency' is required but missing. Check `env_to_matches` implementation."
        )
    });
    let package_name = dependency.split('@').next().unwrap_or(dependency);
    // First try with cargo add
    println!("Attempting to add '{package_name}' to Cargo.toml...");

    if !matches.get_flag("no_cargo_toml")
        && !Command::new("cargo")
            .arg("add")
            .arg(dependency)
            .args(
                matches
                    .get_one::<String>("color")
                    .into_iter()
                    .flat_map(|e| ["--color", e]),
            )
            .status()
            .map_err(|e| e.kind())?
            .success()
        && Path::new("Cargo.toml").exists()
    {
        eprintln!("Warning: 'cargo add' command failed");

        path_to_document("Cargo.toml".to_string()).map(|ok| {
            add_dependency_to_cargo_toml(ok.0, "dependencies".to_string(), ok.1, package_name)
        })??;
    }

    if !matches.get_flag("no_package_xml") {
        // First add to package.xml
        XMLHelper::new("package.xml".to_string()).map(|ok| {
            add_dependency_to_package_xml(ok.path, ok.reader, ok.writer, ok.buf, package_name)
        })??;
    }

    Ok(())
}