Class: Pry::Command::InstallCommand

Inherits:
Pry::ClassCommand show all
Defined in:
lib/pry/commands/install_command.rb

Constant Summary

Constants inherited from Pry::Command

VOID_VALUE

Instance Attribute Summary

Attributes inherited from Pry::ClassCommand

#args, #opts

Attributes inherited from Pry::Command

#_pry_, #arg_string, #captures, #command_block, #command_set, #context, #eval_string, #output, #target

Instance Method Summary collapse

Methods inherited from Pry::ClassCommand

#call, #complete, doc, #help, inherited, #options, #setup, #slop, source, source_file, source_line, source_location, #subcommands

Methods inherited from Pry::Command

banner, #block, #call_safely, #check_for_command_collision, #command_name, command_name, #command_options, command_regex, #commands, #complete, convert_to_regex, default_options, #dependencies_met?, #description, doc, group, hooks, #initialize, inspect, #interpolate_string, #match, match_score, matches?, #name, name, options, #process_line, #run, #source, source, source_file, source_line, #source_location, source_location, #state, subclass, #target_self, #text, #tokenize, #void

Methods included from Pry::CodeObject::Helpers

#c_method?, #command?, #module_with_yard_docs?, #real_method_object?

Methods included from Helpers::DocumentationHelpers

get_comment_content, process_comment_markup, process_rdoc, process_yardoc, process_yardoc_tag, strip_comments_from_c_code, strip_leading_whitespace

Methods included from Helpers::CommandHelpers

absolute_index_number, absolute_index_range, command_error, get_method_or_raise, internal_binding?, one_index_number, one_index_range, one_index_range_or_number, restrict_to_lines, set_file_and_dir_locals, temp_file, unindent

Methods included from Helpers::OptionsHelpers

method_object, method_options

Methods included from Helpers::BaseHelpers

colorize_code, command_dependencies_met?, find_command, heading, highlight, jruby?, jruby_19?, mri?, mri_19?, mri_20?, mri_21?, mri_2?, not_a_real_file?, rbx?, #safe_send, safe_send, silence_warnings, stagger_output, use_ansi_codes?, windows?, windows_ansi?

Constructor Details

This class inherits a constructor from Pry::Command

Instance Method Details

#process(name) ⇒ Object


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# 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