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

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# 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
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