create merged img4 data

_packages/ruby/Rakefile

@@ -14,7 +14,7 @@ OUTPUT_PATH = Pathutil.new OUTPUT_ROOT
 
 desc 'set the version patch to the git main height'
 task :version do
-  repo_height = `git rev-list --count HEAD`
+  repo_height = `git rev-list --count main`
   repo_height = '0' if repo_height.empty?
 
   version_file = %(# frozen_string_literal: true

_packages/ruby/lib/apple_data/dsl/data_file_definition.rb

@@ -6,6 +6,7 @@ module DSL
     class DataFileDefinition
       def initialize
         @collections = {}
+        @methods = {}
       end
 
       def collection(name, mapper = nil, &)
@@ -17,6 +18,10 @@ def collection(name, mapper = nil, &)
         @collections[name]
       end
 
+      def define_method(name, &proc)
+        @methods[name] = proc
+      end
+
       attr_writer :default_filename
 
       def build!
@@ -29,6 +34,10 @@ def build!
           collection_definition.build!(klass)
         end
 
+        @methods.each do |name, proc|
+          klass.define_method(name, &proc)
+        end
+
         klass
       end
     end

_packages/ruby/lib/apple_data/schemas/img4.rb

@@ -16,4 +16,9 @@
   collection :types do
     attribute :description, :string
   end
+
+  define_method :all do
+    [img4_tags, manifest_properties, objects, lpol_properties, core, types,
+     cryptex_properties].reduce(&:merge).with_indifferent_access
+  end
 end

spec/apple_data/schemas/img4_spec.rb

@@ -44,4 +44,11 @@
       expect(instance.lpol_properties.values.compact).to all(be_a(AppleData::Models::IMG4::Property))
     end
   end
+
+  it 'has #all' do
+    aggregate_failures do
+      expect(instance.all).to be_a(Hash)
+      expect(instance.all).not_to be_empty
+    end
+  end
 end