gitlab-org--gitlab-foss/db/post_migrate/20170613111224_clean_appearance_symlinks.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

53 lines
1.2 KiB
Ruby

# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class CleanAppearanceSymlinks < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
DOWNTIME = false
def up
return unless file_storage?
symlink_location = File.join(old_upload_dir, dir)
return unless File.symlink?(symlink_location)
say "removing symlink: #{symlink_location}"
FileUtils.rm(symlink_location)
end
def down
return unless file_storage?
symlink = File.join(old_upload_dir, dir)
destination = File.join(new_upload_dir, dir)
return if File.directory?(symlink)
return unless File.directory?(destination)
say "Creating symlink #{symlink} -> #{destination}"
FileUtils.ln_s(destination, symlink)
end
def file_storage?
CarrierWave::Uploader::Base.storage == CarrierWave::Storage::File
end
def dir
'appearance'
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