public static CommandLineOptions Parse(string[] args, IConsole console) { var app = new CommandLineApplication(treatUnmatchedOptionsAsArguments: true) { Out = console.Out, Error = console.Error, Name = "dotnet user-secrets", FullName = "User Secrets Manager", Description = "Manages user secrets" }; app.HelpOption(); app.VersionOptionFromAssemblyAttributes(typeof(Program).Assembly); var optionVerbose = app.VerboseOption(); var optionProject = app.Option("-p|--project <PROJECT>", "Path to project. Defaults to searching the current directory.", CommandOptionType.SingleValue, inherited: true); var optionConfig = app.Option("-c|--configuration <CONFIGURATION>", "The project configuration to use. Defaults to 'Debug'.", CommandOptionType.SingleValue, inherited: true); // the escape hatch if project evaluation fails, or if users want to alter a secret store other than the one // in the current project var optionId = app.Option("--id", "The user secret ID to use.", CommandOptionType.SingleValue, inherited: true); var options = new CommandLineOptions(); app.Command("set", c => SetCommand.Configure(c, options, console)); app.Command("remove", c => RemoveCommand.Configure(c, options)); app.Command("list", c => ListCommand.Configure(c, options)); app.Command("clear", c => ClearCommand.Configure(c, options)); app.Command("init", c => InitCommandFactory.Configure(c, options)); // Show help information if no subcommand/option was specified. app.OnExecute(() => app.ShowHelp()); if (app.Execute(args) != 0) { // when command line parsing error in subcommand return(null); } options.Configuration = optionConfig.Value(); options.Id = optionId.Value(); options.IsHelp = app.IsShowingInformation; options.IsVerbose = optionVerbose.HasValue(); options.Project = optionProject.Value(); return(options); }