I know this is an old question, but in any case: rake -W This was introduced in rake 0.9.0. http://rake.rubyforge.org/doc/release_notes/rake-0_9_0_rdoc.html Support for the –where (-W) flag for showing where a task is defined.
Be sure that your file name and class name say the same thing(except the class name is camel cased).The contents of your migration file should look something like this, simplified them a bit too: #20090106022023_create_articles.rb class CreateArticles < ActiveRecord::Migration def self.up create_table :articles do |t| t.belongs_to :user, :category t.string :title t.text :synopsis, :limit => 1000 … Read more
I think this must be some kind of bug related to schema caching… this might work: User.connection.schema_cache.clear! User.reset_column_information (for Rails 3.2.2)
There is a gem called seed_dump, which will do exactly what you want: https://github.com/rroblak/seed_dump http://rubygems.org/gems/seed_dump
The rake task only clears out files that are stored on the filesystem in “#{Rails.root}/tmp/cache”. Here’s the code for that task. namespace :cache do # desc “Clears all files and directories in tmp/cache” task :clear do FileUtils.rm_rf(Dir[‘tmp/cache/[^.]*’]) end end https://github.com/rails/rails/blob/ef5d85709d346e55827e88f53430a2cbe1e5fb9e/railties/lib/rails/tasks/tmp.rake#L25-L30 Rails.cache.clear will do different things depending on your apps setting for config.cache_store. http://guides.rubyonrails.org/caching_with_rails.html#cache-stores If you … Read more
You can invoke Rake tasks as following: require ‘rake’ Rake::Task[name].invoke In this case this would result in the following code: require ‘rake’ Rake::Task[‘db:test:purge’].invoke
from timocracy.com: require ‘rake’ def capture_stdout s = StringIO.new oldstdout = $stdout $stdout = s yield s.string ensure $stdout = oldstdout end Rake.application.rake_require ‘metric_fetcher’, [‘../../lib/tasks’] results = capture_stdout {Rake.application[‘metric_fetcher’].invoke}
You get the current PID in Ruby with Process.pid
On Rails 3, you do this via Railties. Here’s the code to do it for a gem I just made: class BackupTask < Rails::Railtie rake_tasks do Dir[File.join(File.dirname(__FILE__),’tasks/*.rake’)].each { |f| load f } end end So you basically create a class that inherits from Rails::Railtie, then within that class you have a rake_tasks block that loads … Read more
I found at Why is rake db:migrate:reset not listed in rake -T? (thanks @Beerlington for the link) that rake -P lists all tasks, which is what I was looking for.