XcodeGen/Sources/XcodeGenCLI/XcodeGenCLI.swift

import Foundation
import SwiftCLI
import ProjectSpec

public class XcodeGenCLI {

    let cli: CLI

    public init(version: Version) {
        let generateCommand = GenerateCommand(version: version)
        
        cli = CLI(name: "xcodegen",
                  version: version.string,
                  description: "Generates Xcode projects",
                  commands: [generateCommand])
        cli.parser = Parser(router: CommandRouter(defaultCommand: generateCommand))
    }

    public func execute(arguments: [String]? = nil) {
        let status: Int32
        if let arguments = arguments {
            status = cli.go(with: arguments)
        } else {
            status = cli.go()
        }
        exit(status)
    }
}