MS rake task to fix broken local people.... let me test it first on a server, but then you can run rake db:fix_diaspora_handle

lib/tasks/db.rake

@@ -22,6 +22,7 @@ namespace :db do
       require 'db/seeds/backer'
       create
     end
+    
   end
 
   desc 'Delete the collections in the current RAILS_ENV database'
@@ -53,4 +54,19 @@ namespace :db do
     Rake::Task['db:seed:dev'].invoke
     puts "you did it!"
   end
+  
+  task :fix_diaspora_handle do
+    puts "fixing the people in this seed"
+    require 'config/environment'
+    
+    people = Person.all
+    
+    people.each do |person|
+      if person.diaspora_handle[-1, 1]=='@' && person.owner.nil? == false
+        person.diaspora_handle = person.owner.diaspora_handle
+        person.save
+      end
+    end
+    puts "everything should be peachy"
+  end
 end