Owner can enable public mode for project

app/contexts/project_update_context.rb

 class ProjectUpdateContext < BaseContext
   def execute(role = :default)
     namespace_id = params[:project].delete(:namespace_id)
+    params[:project].delete(:public) unless can?(current_user, :change_public_mode, project)
     allowed_transfer = can?(current_user, :change_namespace, project) || role == :admin

app/models/ability.rb

@@ -90,6 +90,7 @@ class Ability
     def project_admin_rules
       project_master_rules + [
         :change_namespace,
+        :change_public_mode,
         :rename_project,
         :remove_project
       ]

app/models/project.rb

@@ -26,9 +26,9 @@ class Project < ActiveRecord::Base
   class TransferError < StandardError; end
   attr_accessible :name, :path, :description, :default_branch, :issues_enabled,
-                  :wall_enabled, :merge_requests_enabled, :wiki_enabled, as: [:default, :admin]
-  attr_accessible :namespace_id, :creator_id, :public, as: :admin
+                  :wall_enabled, :merge_requests_enabled, :wiki_enabled, :public, as: [:default, :admin]
+  attr_accessible :namespace_id, :creator_id, as: :admin
   attr_accessor :error_code

app/views/admin/projects/index.html.haml

@@ -47,7 +47,7 @@
         - @projects.each do |project|
           %li
             - if project.public
-              %i.icon-unlock.cred
+              %i.icon-share
             - else
               %i.icon-lock.cgreen
             = link_to project.name_with_namespace, [:admin, project]

app/views/projects/_form.html.haml

@@ -50,6 +50,19 @@
         = f.check_box :wiki_enabled
         %span.descr Pages for project documentation
+  - if can? current_user, :change_public_mode, @project
+    %fieldset.features
+      %legend
+        %i.icon-share
+        Public mode:
+      .control-group
+        = f.label :public, class: 'control-label' do
+          %span Public http clone
+        .controls
+          = f.check_box :public
+          %span.descr
+            If checked this project will be available for clone without any authentification. Also it will appears on #{link_to "Public page", public_root_path}
+
   - if can? current_user, :change_namespace, @project
     %fieldset.features

app/views/public/projects/index.html.haml

@@ -7,7 +7,7 @@
   - @projects.each do |project|
     %li.clearfix
       %h5
-        %i.icon-star.cgreen
+        %i.icon-share
         = project.name_with_namespace
         .right
           %span.monospace.tiny