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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 actionwebservice)
require 'rubygems'
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"
chdir("vendor/rails") do
rails.dependencies.select { |g| deps.include? g.name }.each do |g|
Gem::GemRunner.new.run(["unpack", "-v", "#{g.version_requirements}", "#{g.name}"])
mv(Dir.glob("#{g.name}*").first, g.name)
end
Gem::GemRunner.new.run(["unpack", "-v", "=#{version}", "rails"])
FileUtils.mv(Dir.glob("rails*").first, "railties")
end
end
desc "Lock to latest Edge Rails or a specific revision with REVISION=X (ex: REVISION=4021) or a tag with TAG=Y (ex: TAG=rel_1-1-0)"
task :edge do
$verbose = false
`svn --version` rescue nil
unless !$?.nil? && $?.success?
$stderr.puts "ERROR: Must have subversion (svn) available in the PATH to lock this application to Edge Rails"
exit 1
end
rm_rf "vendor/rails"
mkdir_p "vendor/rails"
svn_root = "http://dev.rubyonrails.org/svn/rails/"
if ENV['TAG']
rails_svn = "#{svn_root}/tags/#{ENV['TAG']}"
touch "vendor/rails/TAG_#{ENV['TAG']}"
else
rails_svn = "#{svn_root}/trunk"
if ENV['REVISION'].nil?
ENV['REVISION'] = /^r(\d+)/.match(%x{svn -qr HEAD log #{svn_root}})[1]
puts "REVISION not set. Using HEAD, which is revision #{ENV['REVISION']}."
end
touch "vendor/rails/REVISION_#{ENV['REVISION']}"
end
for framework in %w(railties actionpack activerecord actionmailer activesupport activeresource)
system "svn export #{rails_svn}/#{framework} vendor/rails/#{framework}" + (ENV['REVISION'] ? " -r #{ENV['REVISION']}" : "")
end
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.exists?(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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