Allow to copy all manifests from one container repository to another

lib/image_registry/blob.rb

@@ -43,5 +43,9 @@ module ImageRegistry
       return @data if defined?(@data)
       @data ||= client.blob(repository.name, digest, type)
     end
+
+    def mount_to(to_repository)
+      client.repository_mount_blob(to_repository.name, digest, repository.name)
+    end
   end
 end

lib/image_registry/client.rb

@@ -39,7 +39,7 @@ module ImageRegistry
     end
 
     def repository_mount_blob(name, digest, from)
-      @faraday.post("/v2/#{name}/blobls/uploads/?mount=#{digest}&from=#{from}").status == 201
+      @faraday.post("/v2/#{name}/blobs/uploads/?mount=#{digest}&from=#{from}").status == 201
     end
 
     def repository_tag_digest(name, reference)

lib/image_registry/repository.rb

@@ -29,11 +29,27 @@ module ImageRegistry
       @tags = manifest['tags'].map do |tag|
         ImageRegistry::Tag.new(self, tag)
       end
+      @tags ||= []
     end
 
     def delete_tags
       return unless tags
       tags.each(:delete)
     end
+
+    def mount_blob(blob)
+      return unless blob
+      client.repository_mount_blob(name, blob.digest, blob.repository.name)
+    end
+
+    def mount_manifest(tag, manifest)
+      client.put_repository_manifest(name, tag, manifest)
+    end
+
+    def copy_to(other_repository)
+      tags.all? do |tag|
+        tag.copy_to(other_repository)
+      end
+    end
   end
 end

lib/image_registry/tag.rb

@@ -25,11 +25,15 @@ module ImageRegistry
       @digest = client.repository_tag_digest(repository.name, name)
     end
 
-    def config
+    def config_blob
-      return @config if defined?(@config)
+      return @config_blob if defined?(@config_blob)
       return unless manifest && manifest['config']
-      blob = ImageRegistry::Blob.new(repository, manifest['config'])
+      @config_blob = ImageRegistry::Blob.new(repository, manifest['config'])
-      @config = ImageRegistry::Config.new(self, blob)
+    end
+
+    def config
+      return unless config_blob
+      @config ||= ImageRegistry::Config.new(self, config_blob)
     end
 
     def created_at
@@ -55,6 +59,15 @@ module ImageRegistry
       client.delete_repository_tag(repository.name, digest)
     end
 
+    def copy_to(repository)
+      return unless manifest
+      layers.each do |blob|
+        repository.mount_blob(blob)
+      end
+      repository.mount_blob(config_blob)
+      repository.mount_manifest(name, manifest.to_json)
+    end
+
     def client
       @client ||= repository.client
     end