class Rails::GemBoot
Public Class Methods
gem_version()
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# File lib/generator/files/config/boot.rb, line 78 def gem_version if defined? RAILS_GEM_VERSION RAILS_GEM_VERSION elsif ENV.include?('RAILS_GEM_VERSION') ENV['RAILS_GEM_VERSION'] else parse_gem_version(read_environment_rb) end end
load_rubygems()
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# File lib/generator/files/config/boot.rb, line 88 def load_rubygems min_version = '1.3.2' require 'rubygems' unless rubygems_version >= min_version $stderr.puts %Q(Rails requires RubyGems >= #{min_version} (you have #{rubygems_version}). Please `gem update --system` and try again.) exit 1 end rescue LoadError $stderr.puts %Q(Rails requires RubyGems >= #{min_version}. Please install RubyGems and try again: http://rubygems.rubyforge.org) exit 1 end
parse_gem_version(text)
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# File lib/generator/files/config/boot.rb, line 101 def parse_gem_version(text) $1 if text =~ /^[^#]*RAILS_GEM_VERSION\s*=\s*["']([!~<>=]*\s*[\d.]+)["']/ end
rubygems_version()
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# File lib/generator/files/config/boot.rb, line 74 def rubygems_version Gem::RubyGemsVersion rescue nil end
Private Class Methods
read_environment_rb()
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# File lib/generator/files/config/boot.rb, line 106 def read_environment_rb File.read("#{RAILS_ROOT}/config/environment.rb") end
Public Instance Methods
load_initializer()
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# File lib/generator/files/config/boot.rb, line 52 def load_initializer self.class.load_rubygems load_rails_gem require 'initializer' end
load_rails_gem()
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# File lib/generator/files/config/boot.rb, line 58 def load_rails_gem if version = self.class.gem_version gem 'rails', version else gem 'rails' end rescue Gem::LoadError => load_error if load_error.message =~ /Could not find RubyGem rails/ STDERR.puts %(Missing the Rails #{version} gem. Please `gem install -v=#{version} rails`, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed.) exit 1 else raise end end