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#
# Author:: John Keiser (<jkeiser@opscode.com>)
# Copyright:: Copyright (c) 2012 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.
#
require 'chef/chef_fs/file_system/file_system_entry'
require 'chef/cookbook/chefignore'
require 'chef/cookbook/cookbook_version_loader'
require 'chef/node'
require 'chef/role'
require 'chef/environment'
require 'chef/data_bag_item'
require 'chef/client'
class Chef
module ChefFS
module FileSystem
# ChefRepositoryFileSystemEntry works just like FileSystemEntry,
# except it pretends files in /cookbooks/chefignore don't exist
# and it can inflate Chef objects
class ChefRepositoryFileSystemEntry < FileSystemEntry
def initialize(name, parent, file_path = nil)
super(name, parent, file_path)
# Load /cookbooks/chefignore
if name == "cookbooks" && path == "/cookbooks" # We check name first because it's a faster fail than path
@chefignore = Chef::Cookbook::Chefignore.new(self.file_path)
# If we are a cookbook or a cookbook subdirectory, empty directories
# underneath us are ignored (since they cannot be uploaded)
elsif parent && parent.name === "cookbooks" && parent.path == "/cookbooks"
@ignore_empty_directories = true
elsif parent && parent.ignore_empty_directories?
@ignore_empty_directories = true
end
end
attr_reader :chefignore
def ignore_empty_directories?
@ignore_empty_directories
end
def chef_object
begin
if parent.path == "/cookbooks"
loader = Chef::Cookbook::CookbookVersionLoader.new(file_path, parent.chefignore)
loader.load_cookbooks
return loader.cookbook_version
end
# Otherwise the information to inflate the object, is in the file (json_class).
return Chef::JSONCompat.from_json(read)
rescue
Chef::Log.error("Could not read #{path_for_printing} into a Chef object: #{$!}")
end
nil
end
def children
@children ||= Dir.entries(file_path).select { |entry| entry != '.' && entry != '..' && !ignored?(entry) }.
map { |entry| ChefRepositoryFileSystemEntry.new(entry, self) }
end
attr_reader :chefignore
private
def ignored?(child_name)
# empty directories inside a cookbook are ignored
if ignore_empty_directories?
child_path = PathUtils.join(file_path, child_name)
if File.directory?(child_path) && Dir.entries(child_path) == [ '.', '..' ]
return true
end
end
ignorer = self
begin
if ignorer.chefignore
# Grab the path from entry to child
path_to_child = child_name
child = self
while child != ignorer
path_to_child = PathUtils.join(child.name, path_to_child)
child = child.parent
end
# Check whether that relative path is ignored
return ignorer.chefignore.ignored?(path_to_child)
end
ignorer = ignorer.parent
end while ignorer
end
end
end
end
end
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