Class: GemHelper

Inherits:
Object
  • Object
show all
Defined in:
lib/rake_ext/project.rb

Class Method Summary collapse

Class Method Details

.gemspec ⇒ Object 



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# File 'lib/rake_ext/project.rb', line 57

def gemspec
  Gem::Specification.new do |s|
    gems, fake_gems = parse_project_gemfile
    gems = gems + fake_gems

    gems.each{|name_version| s.add_dependency *name_version}

    options = project.clone

    options.delete(:name)
    options.delete(:gem) || raise("this project isn't a gem!")
    name = options.delete(:official_name)

    s.name = name
    s.platform = options.delete(:platform) || Gem::Platform::RUBY
    s.has_rdoc = options.delete(:has_rdoc) == nil ? false : true
    s.require_path = options.delete(:lib) || "lib"
    s.files = options.delete(:files) || (
      %w{Rakefile readme.md} +
      Dir.glob("{lib,spec}/**/*") +
      ((options[:dirs] && Array(options.delete(:dirs)).collect{|d| Dir["#{d}/**/*"]}) || [])
    )
    s.bindir = options.delete(:bin) if options.include? :bin

    s.version = options.delete(:version) || GemHelper.next_version(name)

    options.each{|k, v| s.send "#{k}=", v}
  end
end

.next_version(gem_name) ⇒ Object 



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# File 'lib/rake_ext/project.rb', line 29

def next_version gem_name
  %x(gem list --remote #{gem_name}).scan /#{gem_name} \((\d+\.\d+\.\d+)\)/ do |s|
    v = s.first.split('.').collect{|d| d.to_i}
    v[-1] = v[-1] + 1
    return v.join('.')
  end
  return '0.0.1'
end

.parse_project_gemfile ⇒ Object 



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# File 'lib/rake_ext/project.rb', line 38

def parse_project_gemfile
  required_gems, required_fake_gems = [], []
  gem_file = "#{project_dir}/lib/#{project[:name]}/gems.rb"

  if File.exist? gem_file
    # puts "Parsing gemfile #{gem_file}"

    code = File.open(gem_file){|f| f.read}

    stub_class = Class.new
    stub_class.send(:define_method, :gem){|*args| required_gems << args}
    stub_class.send(:define_method, :fake_gem){|*args| required_fake_gems << args}
    stub = stub_class.new
    stub.instance_eval code, __FILE__, __LINE__
  end

  return required_gems, required_fake_gems
end