Branch Package.rb retains url when creating a new project

src/api/app/models/branch_package.rb

@@ -183,7 +183,7 @@ def create_branch_packages(tprj)
         raise DoubleBranchPackageError.new(tprj.name, tpkg.name), "branch target package already exists: #{tprj.name}/#{tpkg.name}" unless params[:force]
       else
         if pac.is_a?(Package)
-          tpkg = tprj.packages.new(name: pack_name, title: pac.title, description: pac.description)
+          tpkg = tprj.packages.new(name: pack_name, title: pac.title, description: pac.description, url: pac.url)
           tpkg.bcntsynctag = pac.bcntsynctag
         else
           tpkg = tprj.packages.new(name: pack_name)
@@ -273,12 +273,13 @@ def create_branch_project
 
       title = "Branch project for package #{params[:package]}"
       description = "This project was created for package #{params[:package]} via attribute #{@attribute}"
+      base_project_url = Project.find_by_name(params[:project]).try(:url)
       if params[:request]
         title = "Branch project based on request #{params[:request]}"
         description = "This project was created as a clone of request #{params[:request]}"
       end
       @add_repositories = true # new projects shall get repositories
-      tprj = Project.new(name: @target_project, title: title, description: description)
+      tprj = Project.new(name: @target_project, title: title, description: description, url: base_project_url)
       tprj.relationships.new(user: User.session!, role: Role.find_by_title!('maintainer'))
       tprj.flags.new(flag: 'build', status: 'disable') if @extend_names
       tprj.flags.new(flag: 'access', status: 'disable') if @noaccess