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#--
# Author:: Daniel DeLeo (<dan@opscode.com>)
# Copyright:: Copyright (c) 2011 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.
#
class Chef
class Cookbook
class Chefignore
COMMENTS_AND_WHITESPACE = /^\s*(?:#.*)?$/
attr_reader :ignores
def initialize(ignore_file_or_repo)
# Check the 'ignore_file_or_repo' path first and then look in the parent directory
# to handle both the chef repo cookbook layout and a standalone cookbook
@ignore_file = find_ignore_file(ignore_file_or_repo)
@ignore_file = find_ignore_file(File.dirname(ignore_file_or_repo)) unless readable_file_or_symlink?(@ignore_file)
@ignores = parse_ignore_file
end
def remove_ignores_from(file_list)
Array(file_list).inject([]) do |unignored, file|
ignored?(file) ? unignored : unignored << file
end
end
def ignored?(file_name)
@ignores.any? {|glob| File.fnmatch?(glob, file_name)}
end
private
def parse_ignore_file
ignore_globs = []
if 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 at #@ignore_file no files will be ignored")
end
ignore_globs
end
def find_ignore_file(path)
if File.basename(path) =~ /chefignore/
path
else
File.join(path, "chefignore")
end
end
def readable_file_or_symlink?(path)
File.exist?(@ignore_file) && File.readable?(@ignore_file) &&
(File.file?(@ignore_file) || File.symlink?(@ignore_file))
end
end
end
end
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