transitive dependancies for my projects only

[Jean-Philippe Caruana]

Hi,

I would like to use transitive dependancies in buildr but only for my 
projects and not for external libs, so  compile.with 
transitive('org.apache.wicket:wicket:jar:1.4-rc6') is not what i'm 
looking for (1.4-rc6, what a cool version name !)

If I have to projects A & B with B depending from A. B is a war, so I 
need to have all dependancies needed by A, otherwise I'll have a 
NoClassDefFoundError in runtime

define 'myProject' do
        define 'A' do
                compile.with DEP_A_1, DEP_A_2, DEP_A_3
                package :jar
        end
        
        define 'B' do
                compile.with project('A'), DEP_A_1, DEP_A_2, DEP_A_3
                compile.with DEP_B_1, DEP_B_2
                package :war
        end
end

I know I can write
compile.with project('A'), project('A').compile.dependancies
but I find it quite verbose and not very convinient when there are not 1 
but 7 projects or more. I have 60 modules in my project and there are a 
lot of duplications.

I would like to write it that way :

define 'myProject' do
        define 'A' do
                compile.with DEP_A_1, DEP_A_2, DEP_A_3
                package :jar
        end
        
        define 'B' do
                compile.with transitive(project('A'))
                compile.with DEP_B_1, DEP_B_2
                package :war
        end
end

and even better "compile.with transitive(projects('A', 'other'))"


this didn't work (under buildr 1.3.5)

Buildr aborted!
undefined method `invoke' for nil:NilClass
/mypath/buildfile:188
/var/lib/gems/1.8/gems/buildr-1.3.5/lib/buildr/core/application.rb:400:in 
`raw_load_buildfile'
/var/lib/gems/1.8/gems/buildr-1.3.5/lib/buildr/core/application.rb:218:in 
`load_buildfile'
/var/lib/gems/1.8/gems/buildr-1.3.5/lib/buildr/core/application.rb:213:in 
`load_buildfile'


despite inside artifact/package.rb there is a "when Project" in the 
transitive method

  def transitive(*specs)
    specs.flatten.inject([]) do |set, spec|
      case spec
      when /([^:]+:){2,4}/ # A spec as opposed to a file name.
        artifact = artifact(spec)
        set |= [artifact] unless artifact.type == :pom
        set |= POM.load(artifact.pom).dependencies.map { |spec| 
artifact(spec) }
      when Hash
        set |= [transitive(spec)]
      when String # Must always expand path.
        set |= transitive(file(File.expand_path(spec)))
      when Project
        set |=  transitive(spec.packages) 


      when Rake::Task
        set |= spec.respond_to?(:to_spec) ? transitive(spec.to_spec) : 
[spec]
      when Struct
        set |= transitive(spec.values)
      else
        fail "Invalid artifact specification in: #{specs.to_s}"
      end
    end
  end


I know I could write some my_transitive method, but I would imagine this 
could be done in buildr right away. Is there any way to do this ?

Thanks

-- Jean-Philippe Caruana
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