Class: Gem::Commands::BuildCommand

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain: self, `::Gem::Command`
Instance Chain: self, `::Gem::Command`, `::Gem::UserInteraction`, `::Gem::DefaultUserInteraction`, `::Gem::Text`
Inherits:	Gem::Command Object Gem::Command Gem::Commands::BuildCommand
Defined in:	lib/rubygems/commands/build_command.rb

Constant Summary

`::Gem::Command` - Inherited

HELP

Class Attribute Summary

`::Gem::Command` - Inherited

.build_args	Arguments used when building gems.
.build_args=, .extra_args, .extra_args=

Class Method Summary

.new ⇒ BuildCommand constructor

`::Gem::Command` - Inherited

.add_common_option,
.add_specific_extra_args	Add a list of extra arguments for the given command.
.common_options,
.new	Initializes a generic gem command named `command`.
.specific_extra_args	Return an array of extra arguments for the command.
.specific_extra_args_hash	Accessor for the specific extra args hash (self initializing).

Instance Attribute Summary

`::Gem::Command` - Inherited

#command	The name of the command.
#defaults	The default options for the command.
#options	The options for the command.
#program_name	The name of the command for command-line invocation.
#summary	A short description of the command.

`::Gem::DefaultUserInteraction` - Included

#ui	See DefaultUserInteraction.ui
#ui=	See DefaultUserInteraction.ui=

Instance Method Summary

#execute
#build_gem(gem_name) private
#build_package(spec) private
#find_gemspec private
#arguments Internal use only
#description Internal use only
#usage Internal use only

`::Gem::Command` - Inherited

#add_extra_args	Adds extra args from ~/.gemrc.
#add_option	Add a command-line option and handler to the command.
#arguments	Override to provide details of the arguments a command takes.
#begins?	True if `long` begins with the characters from `short`.
#check_deprecated_options,
#defaults_str	Override to display the default values of the command options.
#deprecate_option	Mark a command-line option as deprecated, and optionally specify a deprecation horizon.
#description	Override to display a longer description of what this command does.
#execute	Override to provide command handling.
#get_all_gem_names	Get all gem names from the command line.
#get_all_gem_names_and_versions	Get all [gem, version] from the command line.
#get_one_gem_name	Get a single gem name from the command line.
#get_one_optional_argument	Get a single optional argument from the command line.
#handle_options	Handle the given list of arguments by parsing them and recording the results.
#handles?	True if the command handles the given argument list.
#invoke	Invoke the command with the given list of arguments.
#invoke_with_build_args	Invoke the command with the given list of normal arguments and additional build arguments.
#merge_options	Merge a set of command options with the set of default options (without modifying the default option hash).
#remove_option	Remove previously defined command-line argument `name`.
#show_help	Display the help message for the command.
#show_lookup_failure	Display to the user that a gem couldn’t be found and reasons why –.
#usage	Override to display the usage for an individual gem command.
#when_invoked	Call the given block when invoked.
#add_parser_run_info	Adds a section with `title` and `content` to the parser help view.
#configure_options,
#create_option_parser	Creates an option parser and fills it in with the help info for the command.
#option_is_deprecated?,
#parser	Create on demand parser.
#wrap	Wraps `text` to `width`
#add_parser_description, #add_parser_options, #add_parser_summary

`::Gem::UserInteraction` - Included

#alert	Displays an alert `statement`.
#alert_error	Displays an error `statement` to the error output location.
#alert_warning	Displays a warning `statement` to the warning output location.
#ask	Asks a `question` and returns the answer.
#ask_for_password	Asks for a password with a `prompt`
#ask_yes_no	Asks a yes or no `question`.
#choose_from_list	Asks the user to answer `question` with an answer from the given `list`.
#say	Displays the given `statement` on the standard output (or equivalent).
#terminate_interaction	Terminates the RubyGems process with the given `exit_code`
#verbose	Calls `say` with `msg` or the results of the block if really_verbose is true.

`::Gem::DefaultUserInteraction` - Included

#use_ui

See DefaultUserInteraction.use_ui

`::Gem::Text` - Included

#clean_text	Remove any non-printable characters and make the text suitable for printing.
#format_text	Wraps `text` to `wrap` characters and optionally indents by `indent` characters.
#levenshtein_distance	This code is based directly on the `::Gem::Text` gem implementation Returns a value representing the “cost” of transforming str1 into str2.
#truncate_text, #min3

Constructor Details

.new ⇒ `BuildCommand`

[ GitHub ]

# File 'lib/rubygems/commands/build_command.rb', line 7


def initialize
  super 'build', 'Build a gem from a gemspec'

  add_option '--force', 'skip validation of the spec' do |value, options|
    options[:force] = true
  end

  add_option '--strict', 'consider warnings as errors when validating the spec' do |value, options|
    options[:strict] = true
  end

  add_option '-o', '--output FILE', 'output gem with the given filename' do |value, options|
    options[:output] = value
  end

  add_option '-C PATH', '', 'Run as if gem build was started in <PATH> instead of the current working directory.' do |value, options|
    options[:build_path] = value
  end
end

Instance Method Details

#arguments

This method is for internal use only.

[ GitHub ]

# File 'lib/rubygems/commands/build_command.rb', line 27


def arguments # :nodoc:
  "GEMSPEC_FILE  gemspec file name to build a gem for"
end

#build_gem(gem_name) (private)

[ GitHub ]

# File 'lib/rubygems/commands/build_command.rb', line 77


def build_gem(gem_name)
  gemspec = File.exist?(gem_name) ? gem_name : "#{gem_name}.gemspec"

  if File.exist?(gemspec)
    spec = Gem::Specification.load(gemspec)

    if options[:build_path]
      Dir.chdir(File.dirname(gemspec)) do
        spec = Gem::Specification.load(File.basename(gemspec))
        build_package(spec)
      end
    else
      build_package(spec)
    end

  else
    alert_error "Gemspec file not found: #{gemspec}"
    terminate_interaction(1)
  end
end

#build_package(spec) (private)

[ GitHub ]

# File 'lib/rubygems/commands/build_command.rb', line 98


def build_package(spec)
  if spec
    Gem::Package.build(
      spec,
      options[:force],
      options[:strict],
      options[:output]
    )
  else
    alert_error "Error loading gemspec. Aborting."
    terminate_interaction 1
  end
end

#description

This method is for internal use only.

[ GitHub ]

# File 'lib/rubygems/commands/build_command.rb', line 31


def description # :nodoc:
  <<-EOF
The build command allows you to create a gem from a ruby gemspec.

The best way to build a gem is to use a Rakefile and the Gem::PackageTask
which ships with RubyGems.

The gemspec can either be created by hand or extracted from an existing gem
with gem spec:

$ gem unpack my_gem-1.0.gem
Unpacked gem: '.../my_gem-1.0'
$ gem spec my_gem-1.0.gem --ruby > my_gem-1.0/my_gem-1.0.gemspec
$ cd my_gem-1.0
[edit gem contents]
$ gem build my_gem-1.0.gemspec

Gems can be saved to a specified filename with the output option:

$ gem build my_gem-1.0.gemspec --output=release.gem

  EOF
end

#execute

[ GitHub ]

# File 'lib/rubygems/commands/build_command.rb', line 59


def execute
  gem_name = get_one_optional_argument || find_gemspec
  build_gem(gem_name)
end

#find_gemspec (private)

[ GitHub ]

# File 'lib/rubygems/commands/build_command.rb', line 66


def find_gemspec
  gemspecs = Dir.glob("*.gemspec").sort

  if gemspecs.size > 1
    alert_error "Multiple gemspecs found: #{gemspecs}, please specify one"
    terminate_interaction(1)
  end

  gemspecs.first
end

#usage

This method is for internal use only.

[ GitHub ]

# File 'lib/rubygems/commands/build_command.rb', line 55


def usage # :nodoc:
  "#{program_name} GEMSPEC_FILE"
end

Class: Gem::Commands::BuildCommand

Constant Summary

::Gem::Command - Inherited

Class Attribute Summary

::Gem::Command - Inherited

Class Method Summary

::Gem::Command - Inherited

Instance Attribute Summary

::Gem::Command - Inherited

::Gem::DefaultUserInteraction - Included

Instance Method Summary

::Gem::Command - Inherited

::Gem::UserInteraction - Included

::Gem::DefaultUserInteraction - Included

::Gem::Text - Included

Constructor Details

.new ⇒ BuildCommand

Instance Method Details

#arguments

#build_gem(gem_name) (private)

#build_package(spec) (private)

#description

#execute

#find_gemspec (private)

#usage

`::Gem::Command` - Inherited

`::Gem::Command` - Inherited

`::Gem::Command` - Inherited

`::Gem::Command` - Inherited

`::Gem::DefaultUserInteraction` - Included

`::Gem::Command` - Inherited

`::Gem::UserInteraction` - Included

`::Gem::DefaultUserInteraction` - Included

`::Gem::Text` - Included

.new ⇒ `BuildCommand`