ServiceManagement+JobBless.swift

import ServiceManagement
import SecurityFoundation

final class ServiceManagment {
    
    enum Error: LocalizedError {
        case canceledByUser
    }
    
    private init() {}
    
    class func JobBless(domain: CFString,
                        executable: String,
                        authorization: SFAuthorization) throws {
        
        var error: Unmanaged<CFError>?
        let result = SMJobBless(domain as CFString,
                                executable as CFString,
                                authorization.authorizationRef(),
                                &error)
        
        if !result { throw Error.canceledByUser }
        if let error = error?.takeRetainedValue() { throw error }
    }
}