Added vcs-type subpackage.

lib/autobuild.rb

@@ -64,6 +64,7 @@ module Autobuild
 require 'autobuild/import/svn'
 require 'autobuild/import/archive'
 require 'autobuild/import/tar'
+require 'autobuild/import/subpackage'
 
 require 'autobuild/package'
 require 'autobuild/configurable'

lib/autobuild/import/subpackage.rb

@@ -0,0 +1,35 @@
+module Autobuild
+    class Subpackage < Importer
+        def initialize(source, options = {})
+            @source = source
+
+            parent_name = options[:parent]
+            unless parent_name
+              raise "Subpackage must provide a parent package."
+            end
+
+            @parent = Autoproj.workspace.manifest.package_definition_by_name(parent_name)
+            unless @parent
+              raise "Parent package #{parent_name} does not exist."
+            end
+
+            super(options.merge(repository_id: source))
+        end
+
+        def update(_package, options = Hash.new) # Does nothing, parent will do update
+            false 
+        end
+
+        def checkout(package, options = Hash.new) # Does nothing, parent will be checked out
+            package.depends_on(@parent.autobuild)
+        end
+
+        def snapshot(*) # Does nothing, parent will do snapshot
+            true
+        end
+    end
+
+    def self.subpackage(source, options = {})
+        Subpackage.new(source, options)
+    end
+end