module Chef::Mixin::CreatePath

Public Instance Methods

create_path(file_path) click to toggle source

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.

# File lib/chef/mixin/create_path.rb, line 31
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 Instance Methods

create_dir(path) click to toggle source
# File lib/chef/mixin/create_path.rb, line 55
def create_dir(path)
  begin
    # When doing multithreaded downloads into the file cache, 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