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When the custom rake task to migrate data from one system to another was implemented our cron job stopped working.

It looked like it was trying to execute the contents of the custom rake file every time a call to rake -f Rakefile was made.

The problem ended up being Redmine’s Rakefile was set to include all defined task in a {root}/lib/tasks directory. Anything not in a namespace was executing regardless of the rake task called.

Custom rake task

# code here executes all the time
puts 'I execute ever time rake -f Rakefile RAILS_ENV="{env}" is executed'

namespace :redmine do
  desc "Migrate from RT3 to Redmine"
  task :a_task  => :environment do
    # code here only executes when it's called
    puts 'I execute only when my namespace:task is invoked rake -f Rakefile redmine:a_task RAILS_ENV="{env}" is executed'
   end
end

Redmine’s Rakefile

# Add your own tasks in files placed in lib/tasks ending in .rake,
# for example lib/tasks/switchtower.rake, and they will automatically be available to Rake.

require(File.join(File.dirname(__FILE__), 'config', 'boot'))

require 'rake'
require 'rake/testtask'
require 'rake/rdoctask'

require 'tasks/rails'
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