#6: remove "ProductBuildList#arch_id" field from UI

app/models/product_build_list.rb

@@ -34,7 +34,8 @@ class ProductBuildList < ActiveRecord::Base
   belongs_to :arch
   belongs_to :user
 
-
+  # see: Issue #6
+  before_validation lambda { self.arch_id = Arch.find_by_name('x86_64').id }
   validates :product_id,
             :status,
             :project_id,
@@ -52,7 +53,6 @@ class ProductBuildList < ActiveRecord::Base
                   :params,
                   :project_version,
                   :commit_hash,
-                  :arch_id,
                   :product_id
   attr_readonly :product_id
   serialize :results, Array

app/views/platforms/product_build_lists/new.html.haml

@@ -12,10 +12,6 @@
   .rightlist= f.select :project_version, versions_for_group_select(pbl.project), :selected => params[:product_build_lists].try(:fetch, :project_version) || pbl.project.default_branch
   .both
 
-  .leftlist= f.label :arch, t("activerecord.attributes.product_build_list.arch"), :class => :label
-  .rightlist= f.select :arch_id, Arch.recent.map{ |a| [a.name, a.id]}
-  .both
-
   = render 'platforms/products/def_fields', :f => f
 
   = f.submit t("layout.projects.build_button")

app/views/platforms/product_build_lists/show.html.haml

@@ -19,7 +19,6 @@
 
 = render 'show_field', :key => :project_version, :value => product_build_list_version_link(pbl, true)
 
-= render 'show_field', :key => :arch, :value => pbl.arch.name
 - [:main_script, :params].each do |el|
   = render 'show_field', :key => el, :value => pbl.send(el)