dsl.rb in cany-0.1.0

- old
+ new

@@ -4,11 +4,11 @@
       def initialize(specification)
         @specification = specification
       end
 
       def exec(&block)
-        instance_eval &block
+        instance_eval(&block)
       end
 
       def self.delegate(*methods)
         methods.each do |method|
           module_eval(<<-EOS, __FILE__, __LINE__)
@@ -19,21 +19,41 @@
         end
       end
 
       delegate :name, :description, :maintainer_name, :maintainer_email, :website, :licence, :version
 
+      # This directive ensures that Cany is used in a specific version. It will pass if the version
+      # match or raise an exception if it is an unsupported version.
+      # @param version [String] The version constrain the must be satisfied by Cany.
+      # @raise Cany::UnsupportedVersion on version mismatch
+      def require_cany(version)
+        unless Gem::Requirement.create(version).satisfied_by? Gem::Version.new(Cany::VERSION)
+          raise UnsupportedVersion.new version
+        end
+        @specification.cany_version_constraint = version
+      end
+
       # This include the given recipe into the build process.
       # @param [Symbol] name The name of the recipe as symbol.
-      def use(name)
-        @specification.recipes << name
+      def use(name, &block)
+        @specification.recipes << Cany::Recipe.from_name(name).new(@specification, &block)
       end
 
       def build(&block)
         @specification.build = block
       end
 
       def binary(&block)
         @specification.binary = block
+      end
+
+      # @api public
+      # Adds a new dependency for the software. See Cany::Dependency for a more
+      # abstract description about dependencies
+      # See Cany::Mixins::DependMixin for parameter description
+      include Mixins::DependMixin
+      def depend(*args)
+        @specification.dependencies << create_dep(*args)
       end
     end
   end
 end