Sha256: e0f250a3bb5329e847df5d0b5454f894b202d715c22525fec5a8d1b3df21d4bf
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Versions: 17
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Contents
require 'fileutils'
module ContentfulMiddleman
module Tools
class NullBackup
def restore; end
def destroy; end
end
class Backup
class << self
def basepath
::File.join ENV["MM_ROOT"], ".tmp", "backups"
end
def ensure_backup_path!
return if ::File.exist? basepath
FileUtils.mkdir_p basepath
end
end
def initialize(name, source)
@name = name
@source = source
self.class.ensure_backup_path!
FileUtils.mkdir(path)
FileUtils.mv(source, path)
end
def restore
FileUtils.rm_rf(@source)
FileUtils.mv(path, @source)
end
def destroy
FileUtils.rm_rf(path)
end
private
def path
::File.join self.class.basepath, name_and_date
end
def all_files_in_path(path)
Dir.glob(::File.join(path, "*"))
end
def name_and_date
@name_and_date ||= "#{@name}-#{Time.now.strftime("%Y%m%d%H%M%S")}"
end
module InstanceMethods
def do_with_backup(backup_name, path_to_backup)
backup = create_backup backup_name, path_to_backup
remove_backup = false
begin
yield
remove_backup = true
rescue StandardError => e
backup.restore
remove_backup = true
raise e
ensure
backup.destroy if remove_backup
end
end
private
def create_backup(backup_name, path_to_backup)
if ::File.exist? path_to_backup
Backup.new(backup_name, path_to_backup)
else
NullBackup.new
end
end
end
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems