Move check_and_remove_repositories to a concern

It's only used in SourceProjectController and SourceProjectMetaController.

src/api/app/controllers/concerns/check_and_remove_repositories.rb

@@ -0,0 +1,11 @@
+module CheckAndRemoveRepositories
+  extend ActiveSupport::Concern
+
+  def check_and_remove_repositories!(repositories, opts)
+    result = Project.check_repositories(repositories) unless opts[:force]
+    raise Source::Errors::RepoDependency, result[:error] if !opts[:force] && result[:error]
+
+    result = Project.remove_repositories(repositories, opts)
+    raise Source::Errors::ChangeProjectNoPermission, result[:error] if !opts[:force] && result[:error]
+  end
+end

src/api/app/controllers/source_controller.rb

@@ -158,14 +158,6 @@ def package_command
     dispatch_command(:package_command, @command)
   end
 
-  def check_and_remove_repositories!(repositories, opts)
-    result = Project.check_repositories(repositories) unless opts[:force]
-    raise RepoDependency, result[:error] if !opts[:force] && result[:error]
-
-    result = Project.remove_repositories(repositories, opts)
-    raise ChangeProjectNoPermission, result[:error] if !opts[:force] && result[:error]
-  end
-
   def pubkey_path
     # check for project
     @prj = Project.get_by_name(params[:project])

src/api/app/controllers/source_project_controller.rb

@@ -1,4 +1,6 @@
 class SourceProjectController < SourceController
+  include CheckAndRemoveRepositories
+
   # GET /source/:project
   def show
     project_name = params[:project]

src/api/app/controllers/source_project_meta_controller.rb

@@ -1,4 +1,6 @@
 class SourceProjectMetaController < SourceController
+  include CheckAndRemoveRepositories
+
   validate_action update: { request: :project, response: :status }
   validate_action show: { response: :project }