Class: LibGems::Commands::BuildCommand

Inherits:
LibGems::Command show all
Defined in:
lib/libgems/commands/build_command.rb

Instance Attribute Summary

Attributes inherited from LibGems::Command

#command, #defaults, #options, #program_name, #summary

Instance Method Summary collapse

Methods inherited from LibGems::Command

add_common_option, #add_extra_args, #add_option, add_specific_extra_args, #begins?, build_args, build_args=, common_options, #defaults_str, #description, extra_args, extra_args=, #get_all_gem_names, #get_one_gem_name, #get_one_optional_argument, #handle_options, #handles?, #invoke, #merge_options, #remove_option, #show_help, #show_lookup_failure, specific_extra_args, specific_extra_args_hash, #when_invoked

Methods included from UserInteraction

#methname

Methods included from DefaultUserInteraction

ui, #ui, ui=, #ui=, use_ui, #use_ui

Constructor Details

#initialize ⇒ BuildCommand

Returns a new instance of BuildCommand.



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# File 'lib/libgems/commands/build_command.rb', line 6

def initialize
  super('build', 'Build a gem from a gemspec')
end

Instance Method Details

#arguments ⇒ Object

:nodoc:



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# File 'lib/libgems/commands/build_command.rb', line 10

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

#execute ⇒ Object 



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# File 'lib/libgems/commands/build_command.rb', line 18

def execute
  gemspec = get_one_gem_name
  if File.exist?(gemspec)
    specs = load_gemspecs(gemspec)
    specs.each do |spec|
      LibGems::Builder.new(spec).build
    end
  else
    alert_error "Gemspec file not found: #{gemspec}"
  end
end

#load_gemspecs(filename) ⇒ Object 



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# File 'lib/libgems/commands/build_command.rb', line 30

def load_gemspecs(filename)
  if yaml?(filename)
    result = []
    open(filename) do |f|
      begin
        while not f.eof? and spec = LibGems::Specification.from_yaml(f)
          result << spec
        end
      rescue LibGems::EndOfYAMLException
        # OK
      end
    end
  else
    result = [LibGems::Specification.load(filename)]
  end
  result
end

#usage ⇒ Object

:nodoc:



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# File 'lib/libgems/commands/build_command.rb', line 14

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

#yaml?(filename) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/libgems/commands/build_command.rb', line 48

def yaml?(filename)
  line = open(filename) { |f| line = f.gets }
  result = line =~ %r{!ruby/object:Gem::Specification}
  result
end