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# Author:: Daniel DeLeo (<dan@chef.io>)
# Copyright:: Copyright 2011-2016, 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.
#
class Chef
class Cookbook
class Chefignore
COMMENTS_AND_WHITESPACE = /^\s*(?:#.*)?$/.freeze
attr_reader :ignores
def initialize(ignore_file_or_repo)
# Check the 'ignore_file_or_repo' path first and then look in the parent directories till root
# to handle both the chef repo cookbook layout and a standalone cookbook
@ignore_file = find_ignore_file(ignore_file_or_repo)
@ignores = parse_ignore_file
end
# @param [Array] file_list the list of cookbook files
# @return [Array] list of cookbook files with chefignore files removed
def remove_ignores_from(file_list)
Array(file_list).inject([]) do |unignored, file|
ignored?(file) ? unignored : unignored << file
end
end
# @param [String] file_name the file name to check ignored status for
# @return [Boolean] is the file ignored or not
def ignored?(file_name)
@ignores.any? { |glob| File.fnmatch?(glob, file_name) }
end
private
def parse_ignore_file
ignore_globs = []
if @ignore_file && readable_file_or_symlink?(@ignore_file)
File.foreach(@ignore_file) do |line|
ignore_globs << line.strip unless line =~ COMMENTS_AND_WHITESPACE
end
else
Chef::Log.debug("No chefignore file found. No files will be ignored!")
end
ignore_globs
end
# Lookup of chefignore file till the root dir of the provided path.
# If file refer then lookup the parent dir till the root.
# eg. path: /var/.chef/cookbook_name
# Lookup at '/var/.chef/cookbook_name/chefignore', '/var/.chef/chefignore' '/var/chefignore' and '/chefignore' until exist
def find_ignore_file(path)
Pathname.new(path).ascend do |dir|
next unless dir.directory?
file = dir.join("chefignore")
return file.expand_path.to_s if file.exist?
end
nil
end
def readable_file_or_symlink?(path)
File.exist?(path) && File.readable?(path) &&
(File.file?(path) || File.symlink?(path))
end
end
end
end
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