vagrant/plugins/providers/virtualbox/action/clean_machine_folder.rb

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2012-08-14 06:31:12 +00:00
require "fileutils"
module VagrantPlugins
module ProviderVirtualBox
module Action
# Cleans up the VirtualBox machine folder for any ".xml-prev"
# files which VirtualBox may have left over. This is a bug in
# VirtualBox. As soon as this is fixed, this middleware can and
# will be removed.
class CleanMachineFolder
def initialize(app, env)
@app = app
end
def call(env)
clean_machine_folder(env[:machine].provider.driver.read_machine_folder)
@app.call(env)
end
def clean_machine_folder(machine_folder)
folder = File.join(machine_folder, "*")
# Small safeguard against potentially unwanted rm-rf, since the default
# machine folder will typically always be greater than 10 characters long.
# For users with it < 10, out of luck?
return if folder.length < 10
Dir[folder].each do |f|
next unless File.directory?(f)
keep = Dir["#{f}/**/*"].find do |d|
# Find a file that doesn't have ".xml-prev" as the suffix,
# which signals that we want to keep this folder
File.file?(d) && !(File.basename(d) =~ /\.vbox-prev$/)
end
FileUtils.rm_rf(f) if !keep
end
end
end
end
end
end