diff options
Diffstat (limited to 'lib/chef/chef_fs/file_system/chef_repository_file_system_entry.rb')
| -rw-r--r-- | lib/chef/chef_fs/file_system/chef_repository_file_system_entry.rb | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/lib/chef/chef_fs/file_system/chef_repository_file_system_entry.rb b/lib/chef/chef_fs/file_system/chef_repository_file_system_entry.rb new file mode 100644 index 0000000000..87d904e830 --- /dev/null +++ b/lib/chef/chef_fs/file_system/chef_repository_file_system_entry.rb @@ -0,0 +1,109 @@ +# +# 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 |