Make remote builder quack as any other builder

lib/mrsk/commands/builder/multiarch/remote.rb

@@ -1,19 +1,53 @@
 require "mrsk/commands/builder/multiarch"
 
 class Mrsk::Commands::Builder::Multiarch::Remote < Mrsk::Commands::Builder::Multiarch
-  def create(arch)
-    super + [ "mrsk-#{arch}", "--platform", "linux/#{arch}" ]
+  def create
+    combine \
+      create_contexts,
+      create_local_buildx,
+      append_remote_buildx
   end
 
-  def append(arch)
-    docker :buildx, :create, "--append", "--name", "mrsk", "mrsk-#{arch}", "--platform", "linux/#{arch}"
+  def remove
+    combine \
+      remove_contexts,
+      super
   end
 
-  def create_context(arch, host)
-    docker :context, :create, "mrsk-#{arch}", "--description", "'MRSK #{arch} Native Host'", "--docker", "'host=#{host}'"
-  end
+  private
+    def create_local_buildx
+      docker :buildx, :create, "--use", "--name", "mrsk", "mrsk-#{local["arch"]}", "--platform", "linux/#{local["arch"]}"
+    end
 
-  def remove_context(arch)
-    docker :context, :rm, "mrsk-#{arch}"
-  end
+    def append_remote_buildx
+      docker :buildx, :create, "--append", "--name", "mrsk", "mrsk-#{remote["arch"]}", "--platform", "linux/#{remote["arch"]}"
+    end
+
+    def create_contexts
+      combine \
+        create_context(local["arch"], local["host"]),
+        create_context(remote["arch"], remote["host"])
+    end
+
+    def create_context(arch, host)
+      docker :context, :create, "mrsk-#{arch}", "--description", "'MRSK #{arch} Native Host'", "--docker", "'host=#{host}'"
+    end
+
+    def remove_contexts
+      combine \
+        remove_context(local["arch"]),
+        remove_context(remote["arch"])
+    end
+
+    def remove_context(arch)
+      docker :context, :rm, "mrsk-#{arch}"
+    end
+
+    def local
+      config.builder["local"]
+    end
+
+    def remote
+      config.builder["remote"]
+    end
 end