mastodon/lib/tasks/db.rake

# frozen_string_literal: true

namespace :db do
  namespace :migrate do
    desc 'Setup the db or migrate depending on state of db'
    task setup: :environment do
      begin
        if ActiveRecord::Migrator.current_version.zero?
          Rake::Task['db:migrate'].invoke
          Rake::Task['db:seed'].invoke
        end
      rescue ActiveRecord::NoDatabaseError
        Rake::Task['db:setup'].invoke
      else
        Rake::Task['db:migrate'].invoke
      end
    end
  end

  task :pre_migration_check do
    version = ActiveRecord::Base.connection.select_one("SELECT current_setting('server_version_num') AS v")['v'].to_i
    abort 'This version of Mastodon requires PostgreSQL 9.5 or newer. Please update PostgreSQL before updating Mastodon' if version < 90_500
  end

  Rake::Task['db:migrate'].enhance(['db:pre_migration_check'])
end