diff --git a/.idea/apple-knowledge.iml b/.idea/apple-knowledge.iml
index 75328247..966974ca 100644
--- a/.idea/apple-knowledge.iml
+++ b/.idea/apple-knowledge.iml
@@ -28,7 +28,7 @@
         <module name="apple-knowledge" />
         <predefined_log_file enabled="true" id="RUBY_RSPEC" />
         <RSPEC_RUN_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="" />
-        <RSPEC_RUN_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$/_packages/ruby" />
+        <RSPEC_RUN_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$" />
         <RSPEC_RUN_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
         <RSPEC_RUN_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
         <RSPEC_RUN_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
diff --git a/.idea/runConfigurations/AppleData_Specs.xml b/.idea/runConfigurations/AppleData_Specs.xml
index dd1ea645..ff1cf8d5 100644
--- a/.idea/runConfigurations/AppleData_Specs.xml
+++ b/.idea/runConfigurations/AppleData_Specs.xml
@@ -3,7 +3,7 @@
     <module name="apple-knowledge" />
     <predefined_log_file enabled="true" id="RUBY_RSPEC" />
     <RSPEC_RUN_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="" />
-    <RSPEC_RUN_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$/_packages/ruby" />
+    <RSPEC_RUN_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$" />
     <RSPEC_RUN_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
     <RSPEC_RUN_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
     <RSPEC_RUN_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
diff --git a/_packages/ruby/Rakefile b/_packages/ruby/Rakefile
index 4e494d69..9c82ae35 100644
--- a/_packages/ruby/Rakefile
+++ b/_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
diff --git a/_packages/ruby/lib/apple_data/dsl/data_file_definition.rb b/_packages/ruby/lib/apple_data/dsl/data_file_definition.rb
index 66e50877..6842736b 100644
--- a/_packages/ruby/lib/apple_data/dsl/data_file_definition.rb
+++ b/_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
diff --git a/_packages/ruby/lib/apple_data/schemas/img4.rb b/_packages/ruby/lib/apple_data/schemas/img4.rb
index 2db58a2e..6f0db354 100644
--- a/_packages/ruby/lib/apple_data/schemas/img4.rb
+++ b/_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
diff --git a/spec/apple_data/schemas/img4_spec.rb b/spec/apple_data/schemas/img4_spec.rb
index 5c4d02fa..1b6b1ee7 100644
--- a/spec/apple_data/schemas/img4_spec.rb
+++ b/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