class Pry::Command::InstallCommand

Public Instance Methods

process(name) click to toggle source
# File lib/pry/commands/install_command.rb, line 14
def process(name)
  require 'rubygems/dependency_installer' unless defined? Gem::DependencyInstaller
  command = find_command(name)

  unless command
    output.puts "Command #{ text.green(name) } is not found"
    return
  end

  if command_dependencies_met?(command.options)
    output.puts "Dependencies for #{ text.green(name) } are met. Nothing to do"
    return
  end

  output.puts "Attempting to install #{ text.green(name) } command..."
  gems_to_install = Array(command.options[:requires_gem])

  gems_to_install.each do |g|
    next if Rubygem.installed?(g)
    output.puts "Installing #{ text.green(g) } gem..."
    Rubygem.install(g)
  end

  gems_to_install.each do |g|
    begin
      require g
    rescue LoadError
      fail_msg = "Required gem #{ text.green(g) } installed but not found."
      fail_msg += " Aborting command installation\n"
      fail_msg += 'Tips: 1. Check your PATH; 2. Run `bundle update`'
      raise CommandError, fail_msg
    end
  end

  output.puts "Installation of #{ text.green(name) } successful! Type `help #{name}` for information"
end