Inroduce Native::Cached builder

lib/mrsk/commands/builder.rb

@@ -7,8 +7,10 @@ class Mrsk::Commands::Builder < Mrsk::Commands::Base
 
   def target
     case
-    when !config.builder.multiarch?
+    when !config.builder.multiarch? && !config.builder.cache?
       native
+    when !config.builder.multiarch? && config.builder.cache?
+      native_cached
     when config.builder.local? && config.builder.remote?
       multiarch_remote
     when config.builder.remote?
@@ -22,6 +24,10 @@ class Mrsk::Commands::Builder < Mrsk::Commands::Base
     @native ||= Mrsk::Commands::Builder::Native.new(config)
   end
 
+  def native_cached
+    @native ||= Mrsk::Commands::Builder::Native::Cached.new(config)
+  end
+
   def native_remote
     @native ||= Mrsk::Commands::Builder::Native::Remote.new(config)
   end

lib/mrsk/commands/builder/native.rb

@@ -1,32 +1,17 @@
 class Mrsk::Commands::Builder::Native < Mrsk::Commands::Builder::Base
   def create
     # No-op on native without cache
-
-    if config.builder.cache?
-      docker :buildx, :create, "--use", "--driver=docker-container"
-    end
   end
 
   def remove
     # No-op on native without cache
-
-    if config.builder.cache?
-      docker :buildx, :rm, builder_name
-    end
   end
 
   def push
-    if config.builder.cache?
-      docker :buildx, :build,
-        "--push",
-        *build_options,
-        build_context
-    else
-      combine \
-        docker(:build, *build_options, build_context),
-        docker(:push, config.absolute_image),
-        docker(:push, config.latest_image)
-    end
+    combine \
+      docker(:build, *build_options, build_context),
+      docker(:push, config.absolute_image),
+      docker(:push, config.latest_image)
   end
 
   def info

lib/mrsk/commands/builder/native/cached.rb

@@ -0,0 +1,16 @@
+class Mrsk::Commands::Builder::Native::Cached < Mrsk::Commands::Builder::Native
+  def create
+    docker :buildx, :create, "--use", "--driver=docker-container"
+  end
+
+  def remove
+    docker :buildx, :rm, builder_name
+  end
+
+  def push
+    docker :buildx, :build,
+      "--push",
+      *build_options,
+      build_context
+  end
+end