gitlab-org--gitlab-foss/db/migrate/20170316163845_move_uploads_to_system_dir.rb
Jan Provaznik 0fc9f9d3e7 Add version 4.2 to all existing migrations
DB schema generated by a migration may look different in
rails 4 and 5 (because rails 5 may use different default values).
For this reason it's important to explicitly set for which rails
version a migration was written for.

See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912
2018-11-22 13:18:28 +01:00

59 lines
1.6 KiB
Ruby

# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class MoveUploadsToSystemDir < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
DOWNTIME = false
DIRECTORIES_TO_MOVE = %w(user project note group appearance).freeze
def up
return unless file_storage?
FileUtils.mkdir_p(new_upload_dir)
DIRECTORIES_TO_MOVE.each do |dir|
source = File.join(old_upload_dir, dir)
destination = File.join(new_upload_dir, dir)
next unless File.directory?(source)
next if File.directory?(destination)
say "Moving #{source} -> #{destination}"
FileUtils.mv(source, destination)
FileUtils.ln_s(destination, source)
end
end
def down
return unless file_storage?
return unless File.directory?(new_upload_dir)
DIRECTORIES_TO_MOVE.each do |dir|
source = File.join(new_upload_dir, dir)
destination = File.join(old_upload_dir, dir)
next unless File.directory?(source)
next if File.directory?(destination) && !File.symlink?(destination)
say "Moving #{source} -> #{destination}"
FileUtils.rm(destination) if File.symlink?(destination)
FileUtils.mv(source, destination)
end
end
def file_storage?
CarrierWave::Uploader::Base.storage == CarrierWave::Storage::File
end
def base_directory
Rails.root
end
def old_upload_dir
File.join(base_directory, "public", "uploads")
end
def new_upload_dir
File.join(base_directory, "public", "uploads", "-", "system")
end
end