module GemHelpers def generate_gemspec $LOAD_PATH << "#{File.dirname(__FILE__)}/vendor/rails/activerecord/lib" $LOAD_PATH << "#{File.dirname(__FILE__)}/vendor/rails/activesupport/lib" $LOAD_PATH.unshift(File.expand_path(File.join(File.dirname(__FILE__), "lib"))) require "arel" Gem::Specification.new do |s| s.name = "arel" s.version = Arel::VERSION s.authors = ["Bryan Helmkamp", "Nick Kallen"] s.email = "bryan@brynary.com" s.homepage = "http://github.com/brynary/arel" s.summary = "Arel is a relational algebra engine for Ruby" s.description = <<-EOS.strip Arel is a Relational Algebra for Ruby. It 1) simplifies the generation complex of SQL queries and it 2) adapts to various RDBMS systems. It is intended to be a framework framework; that is, you can build your own ORM with it, focusing on innovative object and collection modeling as opposed to database compatibility and query generation. EOS s.rubyforge_project = "arel" require "git" repo = Git.open(".") s.files = normalize_files(repo.ls_files.keys - repo.lib.ignored_files) s.test_files = normalize_files(Dir['spec/**/*.rb'] - repo.lib.ignored_files) s.has_rdoc = true s.extra_rdoc_files = %w[README.markdown] # Arel required ActiveRecord, but we're not declaring it to avoid a # circular dependency chain. The solution is for ActiveRecord to release # the connection adapters which Arel uses in a separate gem # s.add_dependency "activerecord", ">= 3.0.pre" s.add_dependency "activesupport", ">= 3.0.pre" end end def normalize_files(array) # only keep files, no directories, and sort array.select do |path| File.file?(path) end.sort end # Adds extra space when outputting an array. This helps create better version # control diffs, because otherwise it is all on the same line. def prettyify_array(gemspec_ruby, array_name) gemspec_ruby.gsub(/s\.#{array_name.to_s} = \[.+?\]/) do |match| leadin, files = match[0..-2].split("[") leadin + "[\n #{files.split(",").join(",\n ")}\n ]" end end def read_gemspec @read_gemspec ||= eval(File.read("arel.gemspec")) end def sh(command) puts command system command end end class Default < Thor include GemHelpers desc "gemspec", "Regenerate arel.gemspec" def gemspec File.open("arel.gemspec", "w") do |file| gemspec_ruby = generate_gemspec.to_ruby gemspec_ruby = prettyify_array(gemspec_ruby, :files) gemspec_ruby = prettyify_array(gemspec_ruby, :test_files) gemspec_ruby = prettyify_array(gemspec_ruby, :extra_rdoc_files) file.write gemspec_ruby end puts "Wrote gemspec to arel.gemspec" read_gemspec.validate end desc "build", "Build a arel gem" def build sh "gem build arel.gemspec" FileUtils.mkdir_p "pkg" FileUtils.mv read_gemspec.file_name, "pkg" end desc "install", "Install the latest built gem" def install sh "gem install --local pkg/#{read_gemspec.file_name}" end desc "release", "Release the current branch to GitHub and Gemcutter" def release gemspec build Release.new.tag Release.new.gem end end class Release < Thor include GemHelpers desc "tag", "Tag the gem on the origin server" def tag release_tag = "v#{read_gemspec.version}" sh "git tag -a #{release_tag} -m 'Tagging #{release_tag}'" sh "git push origin #{release_tag}" end desc "gem", "Push the gem to Gemcutter" def gem sh "gem push pkg/#{read_gemspec.file_name}" end end