Patch for Redmine to persist form state when adding multiple issues

redmine-issue-inspire_on.patch

diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index cba8e59..af53ec2 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -139,6 +139,7 @@ class IssuesController < ApplicationController
     
     if request.get? || request.xhr?
       @issue.start_date ||= Date.today
+      @issue.inspire_on(params[:inspire_on]) if params[:inspire_on]
     else
       requested_status = IssueStatus.find_by_id(params[:issue][:status_id])
       # Check that the user is allowed to apply the requested status
@@ -147,7 +148,8 @@ class IssuesController < ApplicationController
         attach_files(@issue, params[:attachments])
         flash[:notice] = l(:notice_successful_create)
         Mailer.deliver_issue_add(@issue) if Setting.notified_events.include?('issue_added')
-        redirect_to(params[:continue] ? { :action => 'new', :tracker_id => @issue.tracker } :
+        redirect_to(params[:continue] ? { :action => 'new', :tracker_id => @issue.tracker,
+                                          :inspire_on => @issue.id } :
                                         { :action => 'show', :id => @issue })
         return
       end		
diff --git a/app/models/issue.rb b/app/models/issue.rb
index e3a9e17..d88ec5a 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -69,6 +69,18 @@ class Issue < ActiveRecord::Base
     self.custom_values = issue.custom_values.collect {|v| v.clone}
     self
   end
+
+  def inspire_on(arg)
+    issue = arg.is_a?(Issue) ? arg : Issue.find(arg)
+    self.attributes = issue.attributes.dup.slice!("category_id",
+                                                  "status_id", 
+                                                  "assigned_to_id",
+                                                  "priority_id", 
+                                                  "fixed_version_id")
+    self.custom_values = issue.custom_values.collect {|v| v.clone}
+    self.watcher_user_ids = issue.watcher_user_ids.clone
+    self
+  end
   
   # Move an issue to a new project and tracker
   def move_to(new_project, new_tracker = nil)