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📄 build_command.rb(2.92 KB)
📄 cert_command.rb(9.13 KB)
📄 check_command.rb(2.24 KB)
📄 cleanup_command.rb(4.7 KB)
📄 contents_command.rb(4.06 KB)
📄 dependency_command.rb(5.14 KB)
📄 environment_command.rb(5.04 KB)
📄 fetch_command.rb(1.77 KB)
📄 generate_index_command.rb(2.92 KB)
📄 help_command.rb(10.18 KB)
📄 info_command.rb(852 B)
📄 install_command.rb(7.5 KB)
📄 list_command.rb(1 KB)
📄 lock_command.rb(2.69 KB)
📄 mirror_command.rb(626 B)
📄 open_command.rb(1.92 KB)
📄 outdated_command.rb(863 B)
📄 owner_command.rb(2.95 KB)
📄 pristine_command.rb(5.99 KB)
📄 push_command.rb(2.63 KB)
📄 query_command.rb(1.24 KB)
📄 rdoc_command.rb(2.48 KB)
📄 search_command.rb(989 B)
📄 server_command.rb(2.48 KB)
📄 setup_command.rb(19.33 KB)
📄 signin_command.rb(895 B)
📄 signout_command.rb(897 B)
📄 sources_command.rb(5.73 KB)
📄 specification_command.rb(3.42 KB)
📄 stale_command.rb(964 B)
📄 uninstall_command.rb(5.67 KB)
📄 unpack_command.rb(4.45 KB)
📄 update_command.rb(9.08 KB)
📄 which_command.rb(2.1 KB)
📄 yank_command.rb(2.34 KB)

Editing: open_command.rb

# frozen_string_literal: true
require_relative '../command'
require_relative '../version_option'

class Gem::Commands::OpenCommand < Gem::Command
  include Gem::VersionOption

def initialize
    super 'open', 'Open gem sources in editor'

add_option('-e', '--editor COMMAND', String,
               "Prepends COMMAND to gem path. Could be used to specify editor.") do |command, options|
      options[:editor] = command || get_env_editor
    end
    add_option('-v', '--version VERSION', String,
               "Opens specific gem version") do |version|
      options[:version] = version
    end
  end

def arguments # :nodoc:
    "GEMNAME     name of gem to open in editor"
  end

def defaults_str # :nodoc:
    "-e #{get_env_editor}"
  end

def description # :nodoc:
    <<-EOF
        The open command opens gem in editor and changes current path
        to gem's source directory.
        Editor command can be specified with -e option, otherwise rubygems
        will look for editor in $EDITOR, $VISUAL and $GEM_EDITOR variables.
    EOF
  end

def usage # :nodoc:
    "#{program_name} [-e COMMAND] GEMNAME"
  end

def get_env_editor
    ENV['GEM_EDITOR'] ||
      ENV['VISUAL'] ||
      ENV['EDITOR'] ||
      'vi'
  end

def execute
    @version = options[:version] || Gem::Requirement.default
    @editor  = options[:editor] || get_env_editor

found = open_gem(get_one_gem_name)

terminate_interaction 1 unless found
  end

def open_gem(name)
    spec = spec_for name

return false unless spec

if spec.default_gem?
      say "'#{name}' is a default gem and can't be opened."
      return false
    end

open_editor(spec.full_gem_path)
  end

def open_editor(path)
    Dir.chdir(path) do
      system(*@editor.split(/\s+/) + [path])
    end
  end

def spec_for(name)
    spec = Gem::Specification.find_all_by_name(name, @version).first

return spec if spec

say "Unable to find gem '#{name}'"
  end
end

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Editing: open_command.rb

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