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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
class Chef
module Mixin
module CreatePath
# Creates a given path, including all directories that lead up to it.
# Like mkdir_p, but without the leaking.
#
# === Parameters
# file_path<String, Array>:: A string that represents the path to create,
# or an Array with the path-parts.
#
# === Returns
# The created file_path.
def create_path(file_path)
unless file_path.kind_of?(String) || file_path.kind_of?(Array)
raise ArgumentError, "file_path must be a string or an array!"
end
if file_path.kind_of?(String)
file_path = File.expand_path(file_path).split(File::SEPARATOR)
file_path.shift if file_path[0] == ''
# Check if path starts with a separator or drive letter (Windows)
unless file_path[0].match("^#{File::SEPARATOR}|^[a-zA-Z]:")
file_path[0] = "#{File::SEPARATOR}#{file_path[0]}"
end
end
file_path.each_index do |i|
create_path = File.join(file_path[0, i + 1])
create_dir(create_path) unless File.directory?(create_path)
end
File.expand_path(File.join(file_path))
end
private
def create_dir(path)
begin
# In multithreaded environments, the following interleaving raises
# an error here:
#
# thread1 thread2
# File.directory?(create_path) <- false
# File.directory?(create_path) <- false
# Dir.mkdir(create_path)
# Dir.mkdir(create_path) <- raises Errno::EEXIST
Chef::Log.debug("Creating directory #{path}")
Dir.mkdir(path)
rescue Errno::EEXIST
end
end
end
end
end
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