New field added

app/models/project.rb

@@ -28,7 +28,7 @@ class Project < ActiveRecord::Base
   class TransferError < StandardError; end
 
   attr_accessible :name, :path, :description, :default_branch, :issues_tracker,
-    :issues_enabled, :wall_enabled, :merge_requests_enabled,
+    :issues_enabled, :wall_enabled, :merge_requests_enabled, :issues_tracker_id,
     :wiki_enabled, :public, :import_url, as: [:default, :admin]
 
   attr_accessible :namespace_id, :creator_id, as: :admin
@@ -74,6 +74,7 @@ class Project < ActiveRecord::Base
                       message: "only letters, digits & '_' '-' '.' allowed. Letter should be first" }
   validates :issues_enabled, :wall_enabled, :merge_requests_enabled,
             :wiki_enabled, inclusion: { in: [true, false] }
+  validates :issues_tracker_id, length: { within: 0..255 }
 
   validates_uniqueness_of :name, scope: :namespace_id
   validates_uniqueness_of :path, scope: :namespace_id
@@ -217,6 +218,10 @@ class Project < ActiveRecord::Base
     self.issues_tracker == Project.issues_tracker.default_value
   end
 
+  def can_have_issues_tracker_id?
+    self.issues_enabled && !self.used_default_issues_tracker?
+  end
+
   def services
     [gitlab_ci_service].compact
   end

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

@@ -35,6 +35,10 @@
       = f.label :issues_tracker, "Issues tracker", class: 'control-label'
       .input= f.select(:issues_tracker, Project.issues_tracker.values, {}, { disabled: !@project.issues_enabled })
 
+    .clearfix
+      = f.label :issues_tracker_id, "Project name or id in issues tracker", class: 'control-label'
+      .input= f.text_field :issues_tracker_id, class: "xxlarge", disabled: !@project.can_have_issues_tracker_id?
+
     .clearfix
       = f.label :merge_requests_enabled, "Merge Requests"
       .input= f.check_box :merge_requests_enabled

app/views/projects/_form.html.haml

@@ -28,6 +28,10 @@
       = f.label :issues_tracker, "Issues tracker", class: 'control-label'
       .input= f.select(:issues_tracker, Project.issues_tracker.values, {}, { disabled: !@project.issues_enabled })
 
+    .clearfix
+      = f.label :issues_tracker_id, "Project name or id in issues tracker", class: 'control-label'
+      .input= f.text_field :issues_tracker_id, class: "xxlarge", disabled: !@project.can_have_issues_tracker_id?
+
     .control-group
       = f.label :merge_requests_enabled, "Merge Requests", class: 'control-label'
       .controls