Class: Ramaze::GemSetup

Inherits:
Object show all
Defined in:
lib/ramaze/setup.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}, &block) ⇒ GemSetup

Returns a new instance of GemSetup.



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# File 'lib/ramaze/setup.rb', line 33

def initialize(options = {}, &block)
  @gems = []
  @options = options.dup
  @verbose = @options.delete(:verbose)

  run(&block)
end

Instance Method Details

#gem(name, version = nil, options = {}) ⇒ Object 



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# File 'lib/ramaze/setup.rb', line 47

def gem(name, version = nil, options = {})
  if version.respond_to?(:merge!)
    options = version
  else
    options[:version] = version
  end

  @gems << [name, options]
end

#install_gem(name, options) ⇒ Object

tell rubygems to install a gem



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# File 'lib/ramaze/setup.rb', line 86

def install_gem(name, options)
  installer = Gem::DependencyInstaller.new(options)

  temp_argv(options[:extconf]) do
    log "Installing #{name}"
    installer.install(name, options[:version])
  end
end

#run(&block) ⇒ Object 



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# File 'lib/ramaze/setup.rb', line 41

def run(&block)
  return unless block_given?
  instance_eval(&block)
  setup
end

#setup ⇒ Object

all gems defined, let’s try to load/install them



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# File 'lib/ramaze/setup.rb', line 58

def setup
  require 'rubygems'
  require 'rubygems/dependency_installer'

  @gems.each do |name, options|
    setup_gem(name, options)
  end
end

#setup_gem(name, options) ⇒ Object

first try to activate, install and try to activate again if activation fails the first time



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# File 'lib/ramaze/setup.rb', line 69

def setup_gem(name, options)
  version = [options[:version]].compact
  lib_name = options[:lib] || name

  log "activating #{name}"

  Gem.activate(name, *version)
  require(lib_name)

rescue LoadError

  install_gem(name, options)
  Gem.activate(name, *version)
  require(lib_name)
end

#temp_argv(extconf) ⇒ Object

prepare ARGV for rubygems installer



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# File 'lib/ramaze/setup.rb', line 96

def temp_argv(extconf)
  if extconf ||= @options[:extconf]
    old_argv = ARGV.clone
    ARGV.replace(extconf.split(' '))
  end

  yield

ensure
  ARGV.replace(old_argv) if extconf
end