Class: Nu::Loader

Inherits:
HasOutAndLog show all
Defined in:
lib/nu/loader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, version, location, long_names, out, log) ⇒ Loader

Returns a new instance of Loader.



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# File 'lib/nu/loader.rb', line 14

def initialize(name, version, location, long_names, out, log)
  #improve the crap out of this
			@long_names = long_names
  @gem_name = name
  @location = location
  @version = version
			@lib_tools = Nu::LibTools.new
			@gem_tools = Nu::GemTools.new
			super(out, log)
end

Instance Attribute Details

#gem_name ⇒ Object (readonly)

Returns the value of attribute gem_name.



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# File 'lib/nu/loader.rb', line 10

def gem_name
  @gem_name
end

#location ⇒ Object (readonly)

Returns the value of attribute location.



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# File 'lib/nu/loader.rb', line 11

def location
  @location
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/nu/loader.rb', line 12

def version
  @version
end

Instance Method Details

#copy_dest ⇒ Object 



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# File 'lib/nu/loader.rb', line 62

def copy_dest
			@lib_tools.folder_for(gemspec, @location, @long_names)
end

#copy_source ⇒ Object 



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# File 'lib/nu/loader.rb', line 58

def copy_source
  @gem_tools.lib_for(@gem_name, @version).gsub '{lib}','lib'
end

#copy_to_lib ⇒ Object 



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# File 'lib/nu/loader.rb', line 43

def copy_to_lib
	start_here = copy_source
	log "Copy From: #{start_here}"

	to = copy_dest
	log "Copy To: #{to}"

	FileUtils.copy_entry start_here, to
	@gem_tools.write_spec(gemspec, to)
end

#gemspec ⇒ Object 



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# File 'lib/nu/loader.rb', line 54

def gemspec
	@gem_tools.spec_for(@gem_name, @version)
end

#load_gem ⇒ Object 



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# File 'lib/nu/loader.rb', line 25

def load_gem
	if (!Gem.available? @gem_name, @version) or (@version == nil)
      out "Getting #{(@gem_name + " #{@version}").strip}..."
      begin
        inst = Gem::DependencyInstaller.new
        inst.install @gem_name, @version
        inst.installed_gems.each do |spec|
          out "Got #{spec.full_name}"
        end
      rescue Gem::GemNotFoundException => e
        out "ERROR: #{e.message}"
        return false
      end
    else
      return true
    end
end