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#
# Author:: John Keiser (<jkeiser@chef.io>)
# Copyright:: Copyright 2013-2016, Chef Software 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_relative "file_system_entry"
require_relative "cookbooks_dir"
require_relative "../exceptions"
class Chef
module ChefFS
module FileSystem
module Repository
# NB: unlike most other things in chef_fs/file_system/repository, this
# class represents both files and directories, so it needs to have the
# methods/if branches for each.
class ChefRepositoryFileSystemCookbookEntry
attr_reader :name
attr_reader :parent
attr_reader :path
attr_reader :ruby_only
attr_reader :recursive
attr_reader :file_path
alias_method :display_path, :path
alias_method :display_name, :name
alias_method :bare_name, :name
def initialize(name, parent, file_path = nil, ruby_only = false, recursive = false)
@parent = parent
@name = name
@path = Chef::ChefFS::PathUtils.join(parent.path, name)
@ruby_only = ruby_only
@recursive = recursive
@data_handler = nil
@file_path = file_path || "#{parent.file_path}/#{name}"
end
def children
entries = Dir.entries(file_path).sort
.map { |child_name| make_child_entry(child_name) }
.select { |child| child && can_have_child?(child.name, child.dir?) }
entries.select { |entry| !(entry.dir? && entry.children.size == 0 ) }
rescue Errno::ENOENT
raise Chef::ChefFS::FileSystem::NotFoundError.new(self, $!)
end
def can_have_child?(name, is_dir)
if is_dir
return recursive && name != "." && name != ".."
elsif ruby_only
return false if name[-3..-1] != ".rb"
end
# Check chefignore
ignorer = self
loop do
if ignorer.is_a?(ChefRepositoryFileSystemCookbookDir)
# Grab the path from entry to child
path_to_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 || !ignorer.chefignore.ignored?(path_to_child)
end
ignorer = ignorer.parent
break unless ignorer
end
true
end
def write_pretty_json
false
end
def path_for_printing
file_path
end
def create_child(child_name, file_contents = nil)
child = make_child_entry(child_name)
if child.exists?
raise Chef::ChefFS::FileSystem::AlreadyExistsError.new(:create_child, child)
end
if file_contents
child.write(file_contents)
else
begin
Dir.mkdir(child.file_path)
rescue Errno::EEXIST
raise Chef::ChefFS::FileSystem::AlreadyExistsError.new(:create_child, child)
end
end
child
end
def dir?
File.directory?(file_path)
end
def delete(recurse)
FileSystemCache.instance.delete!(file_path)
begin
if dir?
unless recurse
raise MustDeleteRecursivelyError.new(self, $!)
end
FileUtils.rm_r(file_path)
else
File.delete(file_path)
end
rescue Errno::ENOENT
raise Chef::ChefFS::FileSystem::NotFoundError.new(self, $!)
end
end
def exists?
File.exists?(file_path) && (parent.nil? || parent.can_have_child?(name, dir?))
end
def read
File.open(file_path, "rb", &:read)
rescue Errno::ENOENT
raise Chef::ChefFS::FileSystem::NotFoundError.new(self, $!)
end
def write(content)
File.open(file_path, "wb") do |file|
file.write(content)
end
end
def child(name)
if can_have_child?(name, true) || can_have_child?(name, false)
result = make_child_entry(name)
end
result || NonexistentFSObject.new(name, self)
end
def root
parent.root
end
def compare_to(other)
nil
end
protected
def make_child_entry(child_name)
ChefRepositoryFileSystemCookbookEntry.new(child_name, self, nil, ruby_only, recursive)
end
end
end
end
end
end
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