Module: Twig::Subcommands

Defined in:
lib/twig/subcommands.rb

Constant Summary collapse

BIN_PREFIX = 
'twig-'

Class Method Summary collapse

Class Method Details

.all_names ⇒ Object 



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# File 'lib/twig/subcommands.rb', line 5

def self.all_names
  bin_paths = []

  bin_dir_paths.each do |bin_dir_path|
    path_pattern = File.join(bin_dir_path, BIN_PREFIX + '*')
    Dir.glob(path_pattern) do |bin_path|
      bin_paths << File.basename(bin_path)
    end
  end

  bin_paths.uniq.sort.map do |bin_path|
    bin_path.sub(Regexp.new('^' << BIN_PREFIX), '')
  end
end

.bin_dir_paths ⇒ Object 



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# File 'lib/twig/subcommands.rb', line 20

def self.bin_dir_paths
  ENV['PATH'].split(':')
end

.exec_subcommand_if_any(cli_args) ⇒ Object 



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# File 'lib/twig/subcommands.rb', line 24

def self.exec_subcommand_if_any(cli_args)
  # Run subcommand binary, if any, and exit here

  subcommand_name = cli_args[0]
  bin_name = Twig::Subcommands::BIN_PREFIX + subcommand_name
  subcommand_path = Twig.run("which #{bin_name} 2>/dev/null")
  return if subcommand_path.empty?

  subcommand_args = cli_args[1..-1]
  command = ([subcommand_path] + subcommand_args).join(' ')

  exec(command)
end