fix: instalar gemas si la plantilla no está instalada #16282

app/models/site.rb

@@ -577,20 +577,37 @@ class Site < ApplicationRecord
   def install_gems
     return unless persisted?
 
-    Site.one_at_a_time.synchronize do
+    deploy_local = deploys.find_by_type('DeployLocal')
-      deploy_local = deploys.find_by_type('DeployLocal')
+    deploy_local.git_lfs
-      deploy_local.git_lfs
-    end
 
-    return unless !gems_installed? || gemfile_updated? || gemfile_lock_updated?
+    return unless (!gems_installed? || theme_path.blank?) || gemfile_updated? || gemfile_lock_updated?
 
-    Site.one_at_a_time.synchronize do
+    deploy_local.bundle
-      deploy_local.bundle
+    touch
-      touch
+    FileUtils.touch(gemfile_path)
-      FileUtils.touch(gemfile_path)
-    end
   end
 
+  # El sitio tiene una plantilla
+  #
+  # @return [Bool]
+  def theme?
+    config.key?('theme')
+  end
+
+  # El directorio donde se encuentran los archivos de la plantilla. Si
+  # es nil es que las dependencias todavía no se instalaron.
+  #
+  # @return [String,nil]
+  def theme_path
+    @theme_path ||=
+      if theme?
+        Dir[gem_path.join('gems', "#{config['theme']}-*").to_s].first
+      else
+        path
+      end
+  end
+
+  # @return [Pathname]
   def gem_path
     @gem_path ||=
       begin