Module: Huebot::CLI

Defined in:
lib/huebot/cli.rb

Overview

Helpers for running huebot in cli-mode.

Defined Under Namespace

Classes: Options

Class Method Summary collapse

Class Method Details

.check!(programs, io, quiet: false) ⇒ Object

Prints any program errors or warnings, and returns a boolean for each.

Parameters:

  • programs (Array<Huebot::Program>)
  • io (IO) —

    Usually $stdout or $stderr

  • quiet (Boolean) (defaults to: false) —

    if true, don’t print anything



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# File 'lib/huebot/cli.rb', line 57

def self.check!(programs, io, quiet: false)
  if (invalid_progs = programs.select { |prog| prog.errors.any? }).any?
    print_messages! io, "Errors", invalid_progs, :errors unless quiet
  end

  if (imperfect_progs = programs.select { |prog| prog.warnings.any? }).any?
    puts "" if invalid_progs.any?
    print_messages! io, "Warnings", imperfect_progs, :warnings unless quiet
  end

  return invalid_progs.any?, imperfect_progs.any?
end

.get_cmd ⇒ Symbol

Returns the command given to huebot.

Returns:

  • (Symbol) 


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# File 'lib/huebot/cli.rb', line 22

def self.get_cmd
  ARGV[0].to_s.to_sym
end

.get_input! ⇒ Huebot::CLI::Options, Array<Huebot::ProgramSrc>

Parses and returns input from the CLI. Serious errors might result in the program exiting.

Returns:



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# File 'lib/huebot/cli.rb', line 32

def self.get_input!
  options, parser = option_parser
  parser.parse!

  files = ARGV[1..-1]
  if files.empty?
    puts parser.help
    exit 1
  elsif (bad_paths = files.select { |p| !File.exists? p }).any?
    $stderr.puts "Cannot find #{bad_paths.join ', '}"
    exit 1
  else
    return options, files.map { |path|
      ProgramSrc.new(YAML.load_file(path), path)
    }
  end
end

.help! ⇒ Object

Print help and exit



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# File 'lib/huebot/cli.rb', line 71

def self.help!
  _, parser = option_parser
  puts parser.help
  exit 1
end