X-Git-Url: https://git.josue.xyz/?p=VSoRC%2F.git;a=blobdiff_plain;f=node_modules%2Fwscat%2Fnode_modules%2Fcommander%2Findex.js;fp=node_modules%2Fwscat%2Fnode_modules%2Fcommander%2Findex.js;h=0000000000000000000000000000000000000000;hp=fb648beec5449e12e76a94f6128d13105fce0dd8;hb=5e96dd57ddd883604e87f62bdddcb111c63a6e1a;hpb=acb5f682a2b75b972710cabd81658f63071324b0

diff --git a/node_modules/wscat/node_modules/commander/index.js b/node_modules/wscat/node_modules/commander/index.js
deleted file mode 100644
index fb648be..0000000
--- a/node_modules/wscat/node_modules/commander/index.js
+++ /dev/null
@@ -1,1231 +0,0 @@
-/**
- * Module dependencies.
- */
-
-var EventEmitter = require('events').EventEmitter;
-var spawn = require('child_process').spawn;
-var path = require('path');
-var dirname = path.dirname;
-var basename = path.basename;
-var fs = require('fs');
-
-/**
- * Inherit `Command` from `EventEmitter.prototype`.
- */
-
-require('util').inherits(Command, EventEmitter);
-
-/**
- * Expose the root command.
- */
-
-exports = module.exports = new Command();
-
-/**
- * Expose `Command`.
- */
-
-exports.Command = Command;
-
-/**
- * Expose `Option`.
- */
-
-exports.Option = Option;
-
-/**
- * Initialize a new `Option` with the given `flags` and `description`.
- *
- * @param {String} flags
- * @param {String} description
- * @api public
- */
-
-function Option(flags, description) {
-  this.flags = flags;
-  this.required = ~flags.indexOf('<');
-  this.optional = ~flags.indexOf('[');
-  this.bool = !~flags.indexOf('-no-');
-  flags = flags.split(/[ ,|]+/);
-  if (flags.length > 1 && !/^[[<]/.test(flags[1])) this.short = flags.shift();
-  this.long = flags.shift();
-  this.description = description || '';
-}
-
-/**
- * Return option name.
- *
- * @return {String}
- * @api private
- */
-
-Option.prototype.name = function() {
-  return this.long
-    .replace('--', '')
-    .replace('no-', '');
-};
-
-/**
- * Return option name, in a camelcase format that can be used
- * as a object attribute key.
- *
- * @return {String}
- * @api private
- */
-
-Option.prototype.attributeName = function() {
-  return camelcase(this.name());
-};
-
-/**
- * Check if `arg` matches the short or long flag.
- *
- * @param {String} arg
- * @return {Boolean}
- * @api private
- */
-
-Option.prototype.is = function(arg) {
-  return this.short === arg || this.long === arg;
-};
-
-/**
- * Initialize a new `Command`.
- *
- * @param {String} name
- * @api public
- */
-
-function Command(name) {
-  this.commands = [];
-  this.options = [];
-  this._execs = {};
-  this._allowUnknownOption = false;
-  this._args = [];
-  this._name = name || '';
-}
-
-/**
- * Add command `name`.
- *
- * The `.action()` callback is invoked when the
- * command `name` is specified via __ARGV__,
- * and the remaining arguments are applied to the
- * function for access.
- *
- * When the `name` is "*" an un-matched command
- * will be passed as the first arg, followed by
- * the rest of __ARGV__ remaining.
- *
- * Examples:
- *
- *      program
- *        .version('0.0.1')
- *        .option('-C, --chdir <path>', 'change the working directory')
- *        .option('-c, --config <path>', 'set config path. defaults to ./deploy.conf')
- *        .option('-T, --no-tests', 'ignore test hook')
- *
- *      program
- *        .command('setup')
- *        .description('run remote setup commands')
- *        .action(function() {
- *          console.log('setup');
- *        });
- *
- *      program
- *        .command('exec <cmd>')
- *        .description('run the given remote command')
- *        .action(function(cmd) {
- *          console.log('exec "%s"', cmd);
- *        });
- *
- *      program
- *        .command('teardown <dir> [otherDirs...]')
- *        .description('run teardown commands')
- *        .action(function(dir, otherDirs) {
- *          console.log('dir "%s"', dir);
- *          if (otherDirs) {
- *            otherDirs.forEach(function (oDir) {
- *              console.log('dir "%s"', oDir);
- *            });
- *          }
- *        });
- *
- *      program
- *        .command('*')
- *        .description('deploy the given env')
- *        .action(function(env) {
- *          console.log('deploying "%s"', env);
- *        });
- *
- *      program.parse(process.argv);
-  *
- * @param {String} name
- * @param {String} [desc] for git-style sub-commands
- * @return {Command} the new command
- * @api public
- */
-
-Command.prototype.command = function(name, desc, opts) {
-  if (typeof desc === 'object' && desc !== null) {
-    opts = desc;
-    desc = null;
-  }
-  opts = opts || {};
-  var args = name.split(/ +/);
-  var cmd = new Command(args.shift());
-
-  if (desc) {
-    cmd.description(desc);
-    this.executables = true;
-    this._execs[cmd._name] = true;
-    if (opts.isDefault) this.defaultExecutable = cmd._name;
-  }
-  cmd._noHelp = !!opts.noHelp;
-  this.commands.push(cmd);
-  cmd.parseExpectedArgs(args);
-  cmd.parent = this;
-
-  if (desc) return this;
-  return cmd;
-};
-
-/**
- * Define argument syntax for the top-level command.
- *
- * @api public
- */
-
-Command.prototype.arguments = function(desc) {
-  return this.parseExpectedArgs(desc.split(/ +/));
-};
-
-/**
- * Add an implicit `help [cmd]` subcommand
- * which invokes `--help` for the given command.
- *
- * @api private
- */
-
-Command.prototype.addImplicitHelpCommand = function() {
-  this.command('help [cmd]', 'display help for [cmd]');
-};
-
-/**
- * Parse expected `args`.
- *
- * For example `["[type]"]` becomes `[{ required: false, name: 'type' }]`.
- *
- * @param {Array} args
- * @return {Command} for chaining
- * @api public
- */
-
-Command.prototype.parseExpectedArgs = function(args) {
-  if (!args.length) return;
-  var self = this;
-  args.forEach(function(arg) {
-    var argDetails = {
-      required: false,
-      name: '',
-      variadic: false
-    };
-
-    switch (arg[0]) {
-      case '<':
-        argDetails.required = true;
-        argDetails.name = arg.slice(1, -1);
-        break;
-      case '[':
-        argDetails.name = arg.slice(1, -1);
-        break;
-    }
-
-    if (argDetails.name.length > 3 && argDetails.name.slice(-3) === '...') {
-      argDetails.variadic = true;
-      argDetails.name = argDetails.name.slice(0, -3);
-    }
-    if (argDetails.name) {
-      self._args.push(argDetails);
-    }
-  });
-  return this;
-};
-
-/**
- * Register callback `fn` for the command.
- *
- * Examples:
- *
- *      program
- *        .command('help')
- *        .description('display verbose help')
- *        .action(function() {
- *           // output help here
- *        });
- *
- * @param {Function} fn
- * @return {Command} for chaining
- * @api public
- */
-
-Command.prototype.action = function(fn) {
-  var self = this;
-  var listener = function(args, unknown) {
-    // Parse any so-far unknown options
-    args = args || [];
-    unknown = unknown || [];
-
-    var parsed = self.parseOptions(unknown);
-
-    // Output help if necessary
-    outputHelpIfNecessary(self, parsed.unknown);
-
-    // If there are still any unknown options, then we simply
-    // die, unless someone asked for help, in which case we give it
-    // to them, and then we die.
-    if (parsed.unknown.length > 0) {
-      self.unknownOption(parsed.unknown[0]);
-    }
-
-    // Leftover arguments need to be pushed back. Fixes issue #56
-    if (parsed.args.length) args = parsed.args.concat(args);
-
-    self._args.forEach(function(arg, i) {
-      if (arg.required && args[i] == null) {
-        self.missingArgument(arg.name);
-      } else if (arg.variadic) {
-        if (i !== self._args.length - 1) {
-          self.variadicArgNotLast(arg.name);
-        }
-
-        args[i] = args.splice(i);
-      }
-    });
-
-    // Always append ourselves to the end of the arguments,
-    // to make sure we match the number of arguments the user
-    // expects
-    if (self._args.length) {
-      args[self._args.length] = self;
-    } else {
-      args.push(self);
-    }
-
-    fn.apply(self, args);
-  };
-  var parent = this.parent || this;
-  var name = parent === this ? '*' : this._name;
-  parent.on('command:' + name, listener);
-  if (this._alias) parent.on('command:' + this._alias, listener);
-  return this;
-};
-
-/**
- * Define option with `flags`, `description` and optional
- * coercion `fn`.
- *
- * The `flags` string should contain both the short and long flags,
- * separated by comma, a pipe or space. The following are all valid
- * all will output this way when `--help` is used.
- *
- *    "-p, --pepper"
- *    "-p|--pepper"
- *    "-p --pepper"
- *
- * Examples:
- *
- *     // simple boolean defaulting to false
- *     program.option('-p, --pepper', 'add pepper');
- *
- *     --pepper
- *     program.pepper
- *     // => Boolean
- *
- *     // simple boolean defaulting to true
- *     program.option('-C, --no-cheese', 'remove cheese');
- *
- *     program.cheese
- *     // => true
- *
- *     --no-cheese
- *     program.cheese
- *     // => false
- *
- *     // required argument
- *     program.option('-C, --chdir <path>', 'change the working directory');
- *
- *     --chdir /tmp
- *     program.chdir
- *     // => "/tmp"
- *
- *     // optional argument
- *     program.option('-c, --cheese [type]', 'add cheese [marble]');
- *
- * @param {String} flags
- * @param {String} description
- * @param {Function|*} [fn] or default
- * @param {*} [defaultValue]
- * @return {Command} for chaining
- * @api public
- */
-
-Command.prototype.option = function(flags, description, fn, defaultValue) {
-  var self = this,
-    option = new Option(flags, description),
-    oname = option.name(),
-    name = option.attributeName();
-
-  // default as 3rd arg
-  if (typeof fn !== 'function') {
-    if (fn instanceof RegExp) {
-      var regex = fn;
-      fn = function(val, def) {
-        var m = regex.exec(val);
-        return m ? m[0] : def;
-      };
-    } else {
-      defaultValue = fn;
-      fn = null;
-    }
-  }
-
-  // preassign default value only for --no-*, [optional], or <required>
-  if (!option.bool || option.optional || option.required) {
-    // when --no-* we make sure default is true
-    if (!option.bool) defaultValue = true;
-    // preassign only if we have a default
-    if (defaultValue !== undefined) {
-      self[name] = defaultValue;
-      option.defaultValue = defaultValue;
-    }
-  }
-
-  // register the option
-  this.options.push(option);
-
-  // when it's passed assign the value
-  // and conditionally invoke the callback
-  this.on('option:' + oname, function(val) {
-    // coercion
-    if (val !== null && fn) {
-      val = fn(val, self[name] === undefined ? defaultValue : self[name]);
-    }
-
-    // unassigned or bool
-    if (typeof self[name] === 'boolean' || typeof self[name] === 'undefined') {
-      // if no value, bool true, and we have a default, then use it!
-      if (val == null) {
-        self[name] = option.bool
-          ? defaultValue || true
-          : false;
-      } else {
-        self[name] = val;
-      }
-    } else if (val !== null) {
-      // reassign
-      self[name] = val;
-    }
-  });
-
-  return this;
-};
-
-/**
- * Allow unknown options on the command line.
- *
- * @param {Boolean} arg if `true` or omitted, no error will be thrown
- * for unknown options.
- * @api public
- */
-Command.prototype.allowUnknownOption = function(arg) {
-  this._allowUnknownOption = arguments.length === 0 || arg;
-  return this;
-};
-
-/**
- * Parse `argv`, settings options and invoking commands when defined.
- *
- * @param {Array} argv
- * @return {Command} for chaining
- * @api public
- */
-
-Command.prototype.parse = function(argv) {
-  // implicit help
-  if (this.executables) this.addImplicitHelpCommand();
-
-  // store raw args
-  this.rawArgs = argv;
-
-  // guess name
-  this._name = this._name || basename(argv[1], '.js');
-
-  // github-style sub-commands with no sub-command
-  if (this.executables && argv.length < 3 && !this.defaultExecutable) {
-    // this user needs help
-    argv.push('--help');
-  }
-
-  // process argv
-  var parsed = this.parseOptions(this.normalize(argv.slice(2)));
-  var args = this.args = parsed.args;
-
-  var result = this.parseArgs(this.args, parsed.unknown);
-
-  // executable sub-commands
-  var name = result.args[0];
-
-  var aliasCommand = null;
-  // check alias of sub commands
-  if (name) {
-    aliasCommand = this.commands.filter(function(command) {
-      return command.alias() === name;
-    })[0];
-  }
-
-  if (this._execs[name] && typeof this._execs[name] !== 'function') {
-    return this.executeSubCommand(argv, args, parsed.unknown);
-  } else if (aliasCommand) {
-    // is alias of a subCommand
-    args[0] = aliasCommand._name;
-    return this.executeSubCommand(argv, args, parsed.unknown);
-  } else if (this.defaultExecutable) {
-    // use the default subcommand
-    args.unshift(this.defaultExecutable);
-    return this.executeSubCommand(argv, args, parsed.unknown);
-  }
-
-  return result;
-};
-
-/**
- * Execute a sub-command executable.
- *
- * @param {Array} argv
- * @param {Array} args
- * @param {Array} unknown
- * @api private
- */
-
-Command.prototype.executeSubCommand = function(argv, args, unknown) {
-  args = args.concat(unknown);
-
-  if (!args.length) this.help();
-  if (args[0] === 'help' && args.length === 1) this.help();
-
-  // <cmd> --help
-  if (args[0] === 'help') {
-    args[0] = args[1];
-    args[1] = '--help';
-  }
-
-  // executable
-  var f = argv[1];
-  // name of the subcommand, link `pm-install`
-  var bin = basename(f, '.js') + '-' + args[0];
-
-  // In case of globally installed, get the base dir where executable
-  //  subcommand file should be located at
-  var baseDir,
-    link = fs.lstatSync(f).isSymbolicLink() ? fs.readlinkSync(f) : f;
-
-  // when symbolink is relative path
-  if (link !== f && link.charAt(0) !== '/') {
-    link = path.join(dirname(f), link);
-  }
-  baseDir = dirname(link);
-
-  // prefer local `./<bin>` to bin in the $PATH
-  var localBin = path.join(baseDir, bin);
-
-  // whether bin file is a js script with explicit `.js` extension
-  var isExplicitJS = false;
-  if (exists(localBin + '.js')) {
-    bin = localBin + '.js';
-    isExplicitJS = true;
-  } else if (exists(localBin)) {
-    bin = localBin;
-  }
-
-  args = args.slice(1);
-
-  var proc;
-  if (process.platform !== 'win32') {
-    if (isExplicitJS) {
-      args.unshift(bin);
-      // add executable arguments to spawn
-      args = (process.execArgv || []).concat(args);
-
-      proc = spawn(process.argv[0], args, { stdio: 'inherit', customFds: [0, 1, 2] });
-    } else {
-      proc = spawn(bin, args, { stdio: 'inherit', customFds: [0, 1, 2] });
-    }
-  } else {
-    args.unshift(bin);
-    proc = spawn(process.execPath, args, { stdio: 'inherit' });
-  }
-
-  var signals = ['SIGUSR1', 'SIGUSR2', 'SIGTERM', 'SIGINT', 'SIGHUP'];
-  signals.forEach(function(signal) {
-    process.on(signal, function() {
-      if (proc.killed === false && proc.exitCode === null) {
-        proc.kill(signal);
-      }
-    });
-  });
-  proc.on('close', process.exit.bind(process));
-  proc.on('error', function(err) {
-    if (err.code === 'ENOENT') {
-      console.error('\n  %s(1) does not exist, try --help\n', bin);
-    } else if (err.code === 'EACCES') {
-      console.error('\n  %s(1) not executable. try chmod or run with root\n', bin);
-    }
-    process.exit(1);
-  });
-
-  // Store the reference to the child process
-  this.runningCommand = proc;
-};
-
-/**
- * Normalize `args`, splitting joined short flags. For example
- * the arg "-abc" is equivalent to "-a -b -c".
- * This also normalizes equal sign and splits "--abc=def" into "--abc def".
- *
- * @param {Array} args
- * @return {Array}
- * @api private
- */
-
-Command.prototype.normalize = function(args) {
-  var ret = [],
-    arg,
-    lastOpt,
-    index;
-
-  for (var i = 0, len = args.length; i < len; ++i) {
-    arg = args[i];
-    if (i > 0) {
-      lastOpt = this.optionFor(args[i - 1]);
-    }
-
-    if (arg === '--') {
-      // Honor option terminator
-      ret = ret.concat(args.slice(i));
-      break;
-    } else if (lastOpt && lastOpt.required) {
-      ret.push(arg);
-    } else if (arg.length > 1 && arg[0] === '-' && arg[1] !== '-') {
-      arg.slice(1).split('').forEach(function(c) {
-        ret.push('-' + c);
-      });
-    } else if (/^--/.test(arg) && ~(index = arg.indexOf('='))) {
-      ret.push(arg.slice(0, index), arg.slice(index + 1));
-    } else {
-      ret.push(arg);
-    }
-  }
-
-  return ret;
-};
-
-/**
- * Parse command `args`.
- *
- * When listener(s) are available those
- * callbacks are invoked, otherwise the "*"
- * event is emitted and those actions are invoked.
- *
- * @param {Array} args
- * @return {Command} for chaining
- * @api private
- */
-
-Command.prototype.parseArgs = function(args, unknown) {
-  var name;
-
-  if (args.length) {
-    name = args[0];
-    if (this.listeners('command:' + name).length) {
-      this.emit('command:' + args.shift(), args, unknown);
-    } else {
-      this.emit('command:*', args);
-    }
-  } else {
-    outputHelpIfNecessary(this, unknown);
-
-    // If there were no args and we have unknown options,
-    // then they are extraneous and we need to error.
-    if (unknown.length > 0) {
-      this.unknownOption(unknown[0]);
-    }
-  }
-
-  return this;
-};
-
-/**
- * Return an option matching `arg` if any.
- *
- * @param {String} arg
- * @return {Option}
- * @api private
- */
-
-Command.prototype.optionFor = function(arg) {
-  for (var i = 0, len = this.options.length; i < len; ++i) {
-    if (this.options[i].is(arg)) {
-      return this.options[i];
-    }
-  }
-};
-
-/**
- * Parse options from `argv` returning `argv`
- * void of these options.
- *
- * @param {Array} argv
- * @return {Array}
- * @api public
- */
-
-Command.prototype.parseOptions = function(argv) {
-  var args = [],
-    len = argv.length,
-    literal,
-    option,
-    arg;
-
-  var unknownOptions = [];
-
-  // parse options
-  for (var i = 0; i < len; ++i) {
-    arg = argv[i];
-
-    // literal args after --
-    if (literal) {
-      args.push(arg);
-      continue;
-    }
-
-    if (arg === '--') {
-      literal = true;
-      continue;
-    }
-
-    // find matching Option
-    option = this.optionFor(arg);
-
-    // option is defined
-    if (option) {
-      // requires arg
-      if (option.required) {
-        arg = argv[++i];
-        if (arg == null) return this.optionMissingArgument(option);
-        this.emit('option:' + option.name(), arg);
-      // optional arg
-      } else if (option.optional) {
-        arg = argv[i + 1];
-        if (arg == null || (arg[0] === '-' && arg !== '-')) {
-          arg = null;
-        } else {
-          ++i;
-        }
-        this.emit('option:' + option.name(), arg);
-      // bool
-      } else {
-        this.emit('option:' + option.name());
-      }
-      continue;
-    }
-
-    // looks like an option
-    if (arg.length > 1 && arg[0] === '-') {
-      unknownOptions.push(arg);
-
-      // If the next argument looks like it might be
-      // an argument for this option, we pass it on.
-      // If it isn't, then it'll simply be ignored
-      if ((i + 1) < argv.length && argv[i + 1][0] !== '-') {
-        unknownOptions.push(argv[++i]);
-      }
-      continue;
-    }
-
-    // arg
-    args.push(arg);
-  }
-
-  return { args: args, unknown: unknownOptions };
-};
-
-/**
- * Return an object containing options as key-value pairs
- *
- * @return {Object}
- * @api public
- */
-Command.prototype.opts = function() {
-  var result = {},
-    len = this.options.length;
-
-  for (var i = 0; i < len; i++) {
-    var key = this.options[i].attributeName();
-    result[key] = key === this._versionOptionName ? this._version : this[key];
-  }
-  return result;
-};
-
-/**
- * Argument `name` is missing.
- *
- * @param {String} name
- * @api private
- */
-
-Command.prototype.missingArgument = function(name) {
-  console.error();
-  console.error("  error: missing required argument `%s'", name);
-  console.error();
-  process.exit(1);
-};
-
-/**
- * `Option` is missing an argument, but received `flag` or nothing.
- *
- * @param {String} option
- * @param {String} flag
- * @api private
- */
-
-Command.prototype.optionMissingArgument = function(option, flag) {
-  console.error();
-  if (flag) {
-    console.error("  error: option `%s' argument missing, got `%s'", option.flags, flag);
-  } else {
-    console.error("  error: option `%s' argument missing", option.flags);
-  }
-  console.error();
-  process.exit(1);
-};
-
-/**
- * Unknown option `flag`.
- *
- * @param {String} flag
- * @api private
- */
-
-Command.prototype.unknownOption = function(flag) {
-  if (this._allowUnknownOption) return;
-  console.error();
-  console.error("  error: unknown option `%s'", flag);
-  console.error();
-  process.exit(1);
-};
-
-/**
- * Variadic argument with `name` is not the last argument as required.
- *
- * @param {String} name
- * @api private
- */
-
-Command.prototype.variadicArgNotLast = function(name) {
-  console.error();
-  console.error("  error: variadic arguments must be last `%s'", name);
-  console.error();
-  process.exit(1);
-};
-
-/**
- * Set the program version to `str`.
- *
- * This method auto-registers the "-V, --version" flag
- * which will print the version number when passed.
- *
- * @param {String} str
- * @param {String} [flags]
- * @return {Command} for chaining
- * @api public
- */
-
-Command.prototype.version = function(str, flags) {
-  if (arguments.length === 0) return this._version;
-  this._version = str;
-  flags = flags || '-V, --version';
-  var versionOption = new Option(flags, 'output the version number');
-  this._versionOptionName = versionOption.long.substr(2) || 'version';
-  this.options.push(versionOption);
-  this.on('option:' + this._versionOptionName, function() {
-    process.stdout.write(str + '\n');
-    process.exit(0);
-  });
-  return this;
-};
-
-/**
- * Set the description to `str`.
- *
- * @param {String} str
- * @param {Object} argsDescription
- * @return {String|Command}
- * @api public
- */
-
-Command.prototype.description = function(str, argsDescription) {
-  if (arguments.length === 0) return this._description;
-  this._description = str;
-  this._argsDescription = argsDescription;
-  return this;
-};
-
-/**
- * Set an alias for the command
- *
- * @param {String} alias
- * @return {String|Command}
- * @api public
- */
-
-Command.prototype.alias = function(alias) {
-  var command = this;
-  if (this.commands.length !== 0) {
-    command = this.commands[this.commands.length - 1];
-  }
-
-  if (arguments.length === 0) return command._alias;
-
-  if (alias === command._name) throw new Error('Command alias can\'t be the same as its name');
-
-  command._alias = alias;
-  return this;
-};
-
-/**
- * Set / get the command usage `str`.
- *
- * @param {String} str
- * @return {String|Command}
- * @api public
- */
-
-Command.prototype.usage = function(str) {
-  var args = this._args.map(function(arg) {
-    return humanReadableArgName(arg);
-  });
-
-  var usage = '[options]' +
-    (this.commands.length ? ' [command]' : '') +
-    (this._args.length ? ' ' + args.join(' ') : '');
-
-  if (arguments.length === 0) return this._usage || usage;
-  this._usage = str;
-
-  return this;
-};
-
-/**
- * Get or set the name of the command
- *
- * @param {String} str
- * @return {String|Command}
- * @api public
- */
-
-Command.prototype.name = function(str) {
-  if (arguments.length === 0) return this._name;
-  this._name = str;
-  return this;
-};
-
-/**
- * Return prepared commands.
- *
- * @return {Array}
- * @api private
- */
-
-Command.prototype.prepareCommands = function() {
-  return this.commands.filter(function(cmd) {
-    return !cmd._noHelp;
-  }).map(function(cmd) {
-    var args = cmd._args.map(function(arg) {
-      return humanReadableArgName(arg);
-    }).join(' ');
-
-    return [
-      cmd._name +
-        (cmd._alias ? '|' + cmd._alias : '') +
-        (cmd.options.length ? ' [options]' : '') +
-        (args ? ' ' + args : ''),
-      cmd._description
-    ];
-  });
-};
-
-/**
- * Return the largest command length.
- *
- * @return {Number}
- * @api private
- */
-
-Command.prototype.largestCommandLength = function() {
-  var commands = this.prepareCommands();
-  return commands.reduce(function(max, command) {
-    return Math.max(max, command[0].length);
-  }, 0);
-};
-
-/**
- * Return the largest option length.
- *
- * @return {Number}
- * @api private
- */
-
-Command.prototype.largestOptionLength = function() {
-  var options = [].slice.call(this.options);
-  options.push({
-    flags: '-h, --help'
-  });
-  return options.reduce(function(max, option) {
-    return Math.max(max, option.flags.length);
-  }, 0);
-};
-
-/**
- * Return the largest arg length.
- *
- * @return {Number}
- * @api private
- */
-
-Command.prototype.largestArgLength = function() {
-  return this._args.reduce(function(max, arg) {
-    return Math.max(max, arg.name.length);
-  }, 0);
-};
-
-/**
- * Return the pad width.
- *
- * @return {Number}
- * @api private
- */
-
-Command.prototype.padWidth = function() {
-  var width = this.largestOptionLength();
-  if (this._argsDescription && this._args.length) {
-    if (this.largestArgLength() > width) {
-      width = this.largestArgLength();
-    }
-  }
-
-  if (this.commands && this.commands.length) {
-    if (this.largestCommandLength() > width) {
-      width = this.largestCommandLength();
-    }
-  }
-
-  return width;
-};
-
-/**
- * Return help for options.
- *
- * @return {String}
- * @api private
- */
-
-Command.prototype.optionHelp = function() {
-  var width = this.padWidth();
-
-  // Append the help information
-  return this.options.map(function(option) {
-    return pad(option.flags, width) + '  ' + option.description +
-      ((option.bool && option.defaultValue !== undefined) ? ' (default: ' + option.defaultValue + ')' : '');
-  }).concat([pad('-h, --help', width) + '  ' + 'output usage information'])
-    .join('\n');
-};
-
-/**
- * Return command help documentation.
- *
- * @return {String}
- * @api private
- */
-
-Command.prototype.commandHelp = function() {
-  if (!this.commands.length) return '';
-
-  var commands = this.prepareCommands();
-  var width = this.padWidth();
-
-  return [
-    '  Commands:',
-    '',
-    commands.map(function(cmd) {
-      var desc = cmd[1] ? '  ' + cmd[1] : '';
-      return (desc ? pad(cmd[0], width) : cmd[0]) + desc;
-    }).join('\n').replace(/^/gm, '    '),
-    ''
-  ].join('\n');
-};
-
-/**
- * Return program help documentation.
- *
- * @return {String}
- * @api private
- */
-
-Command.prototype.helpInformation = function() {
-  var desc = [];
-  if (this._description) {
-    desc = [
-      '  ' + this._description,
-      ''
-    ];
-
-    var argsDescription = this._argsDescription;
-    if (argsDescription && this._args.length) {
-      var width = this.padWidth();
-      desc.push('  Arguments:');
-      desc.push('');
-      this._args.forEach(function(arg) {
-        desc.push('    ' + pad(arg.name, width) + '  ' + argsDescription[arg.name]);
-      });
-      desc.push('');
-    }
-  }
-
-  var cmdName = this._name;
-  if (this._alias) {
-    cmdName = cmdName + '|' + this._alias;
-  }
-  var usage = [
-    '',
-    '  Usage: ' + cmdName + ' ' + this.usage(),
-    ''
-  ];
-
-  var cmds = [];
-  var commandHelp = this.commandHelp();
-  if (commandHelp) cmds = [commandHelp];
-
-  var options = [
-    '  Options:',
-    '',
-    '' + this.optionHelp().replace(/^/gm, '    '),
-    ''
-  ];
-
-  return usage
-    .concat(desc)
-    .concat(options)
-    .concat(cmds)
-    .join('\n');
-};
-
-/**
- * Output help information for this command
- *
- * @api public
- */
-
-Command.prototype.outputHelp = function(cb) {
-  if (!cb) {
-    cb = function(passthru) {
-      return passthru;
-    };
-  }
-  process.stdout.write(cb(this.helpInformation()));
-  this.emit('--help');
-};
-
-/**
- * Output help information and exit.
- *
- * @api public
- */
-
-Command.prototype.help = function(cb) {
-  this.outputHelp(cb);
-  process.exit();
-};
-
-/**
- * Camel-case the given `flag`
- *
- * @param {String} flag
- * @return {String}
- * @api private
- */
-
-function camelcase(flag) {
-  return flag.split('-').reduce(function(str, word) {
-    return str + word[0].toUpperCase() + word.slice(1);
-  });
-}
-
-/**
- * Pad `str` to `width`.
- *
- * @param {String} str
- * @param {Number} width
- * @return {String}
- * @api private
- */
-
-function pad(str, width) {
-  var len = Math.max(0, width - str.length);
-  return str + Array(len + 1).join(' ');
-}
-
-/**
- * Output help information if necessary
- *
- * @param {Command} command to output help for
- * @param {Array} array of options to search for -h or --help
- * @api private
- */
-
-function outputHelpIfNecessary(cmd, options) {
-  options = options || [];
-  for (var i = 0; i < options.length; i++) {
-    if (options[i] === '--help' || options[i] === '-h') {
-      cmd.outputHelp();
-      process.exit(0);
-    }
-  }
-}
-
-/**
- * Takes an argument an returns its human readable equivalent for help usage.
- *
- * @param {Object} arg
- * @return {String}
- * @api private
- */
-
-function humanReadableArgName(arg) {
-  var nameOutput = arg.name + (arg.variadic === true ? '...' : '');
-
-  return arg.required
-    ? '<' + nameOutput + '>'
-    : '[' + nameOutput + ']';
-}
-
-// for versions before node v0.8 when there weren't `fs.existsSync`
-function exists(file) {
-  try {
-    if (fs.statSync(file).isFile()) {
-      return true;
-    }
-  } catch (e) {
-    return false;
-  }
-}