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namespace :rails do
namespace :freeze do
desc "Lock this application to the current gems (by unpacking them into vendor/rails)"
task :gems do
deps = %w(actionpack activerecord actionmailer activesupport activeresource)
require 'rubygems'
require 'rubygems/gem_runner'
Gem.manage_gems
rails = (version = ENV['VERSION']) ?
Gem.cache.find_name('rails', "= #{version}").first :
Gem.cache.find_name('rails').sort_by { |g| g.version }.last
version ||= rails.version
unless rails
puts "No rails gem #{version} is installed. Do 'gem list rails' to see what you have available."
exit
end
puts "Freezing to the gems for Rails #{rails.version}"
rm_rf "vendor/rails"
mkdir_p "vendor/rails"
begin
chdir("vendor/rails") do
rails.dependencies.select { |g| deps.include? g.name }.each do |g|
Gem::GemRunner.new.run(["unpack", g.name, "--version", g.version_requirements.to_s])
mv(Dir.glob("#{g.name}*").first, g.name)
end
Gem::GemRunner.new.run(["unpack", "rails", "--version", "=#{version}"])
FileUtils.mv(Dir.glob("rails*").first, "railties")
end
rescue Exception
rm_rf "vendor/rails"
raise
end
end
desc 'Lock to latest Edge Rails'
task :edge do
require 'open-uri'
chdir 'vendor' do
puts 'Downloading Rails'
File.open('rails_edge.zip', 'wb') do |dst|
open 'http://dev.rubyonrails.org/archives/rails_edge.zip' do |src|
while chunk = src.read(4096)
dst << chunk
end
end
end
puts 'Unpacking Rails'
rm_rf 'rails'
`unzip rails_edge.zip`
%w(rails_edge.zip rails/Rakefile rails/cleanlogs.sh rails/pushgems.rb rails/release.rb).each do |goner|
rm_f goner
end
end
puts 'Updating current scripts, javascripts, and configuration settings'
Rake::Task['rails:update'].invoke
end
end
desc "Unlock this application from freeze of gems or edge and return to a fluid use of system gems"
task :unfreeze do
rm_rf "vendor/rails"
end
desc "Update both configs, scripts and public/javascripts from Rails"
task :update => [ "update:scripts", "update:javascripts", "update:configs" ]
namespace :update do
desc "Add new scripts to the application script/ directory"
task :scripts do
local_base = "script"
edge_base = "#{File.dirname(__FILE__)}/../../bin"
local = Dir["#{local_base}/**/*"].reject { |path| File.directory?(path) }
edge = Dir["#{edge_base}/**/*"].reject { |path| File.directory?(path) }
edge.each do |script|
base_name = script[(edge_base.length+1)..-1]
next if base_name == "rails"
next if local.detect { |path| base_name == path[(local_base.length+1)..-1] }
if !File.directory?("#{local_base}/#{File.dirname(base_name)}")
mkdir_p "#{local_base}/#{File.dirname(base_name)}"
end
install script, "#{local_base}/#{base_name}", :mode => 0755
end
end
desc "Update your javascripts from your current rails install"
task :javascripts do
require 'railties_path'
project_dir = RAILS_ROOT + '/public/javascripts/'
scripts = Dir[RAILTIES_PATH + '/html/javascripts/*.js']
scripts.reject!{|s| File.basename(s) == 'application.js'} if File.exist?(project_dir + 'application.js')
FileUtils.cp(scripts, project_dir)
end
desc "Update config/boot.rb from your current rails install"
task :configs do
require 'railties_path'
FileUtils.cp(RAILTIES_PATH + '/environments/boot.rb', RAILS_ROOT + '/config/boot.rb')
end
end
end
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