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# Author:: Adam Jacob (<adam@chef.io>)
# Copyright:: Copyright 2008-2018, 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 "python_helper"
require_relative "../../package"
require "singleton" unless defined?(Singleton)
#
# These are largely historical APIs, the YumCache object no longer exists and this is a
# fascade over the python helper class. It should be considered deprecated-lite and
# no new APIs should be added and should be added to the python_helper instead.
#
class Chef
class Provider
class Package
class Yum < Chef::Provider::Package
class YumCache
include Singleton
def refresh
python_helper.restart
end
def reload
python_helper.restart
end
def reload_installed
python_helper.restart
end
def reload_provides
python_helper.restart
end
def reset
python_helper.restart
end
def reset_installed
python_helper.restart
end
def available_version(name, arch = nil)
p = python_helper.package_query(:whatavailable, name, arch: arch)
"#{p.version}.#{p.arch}" unless p.version.nil?
end
def installed_version(name, arch = nil)
p = python_helper.package_query(:whatinstalled, name, arch: arch)
"#{p.version}.#{p.arch}" unless p.version.nil?
end
def package_available?(name, arch = nil)
p = python_helper.package_query(:whatavailable, name, arch: arch)
!p.version.nil?
end
# NOTE that it is the responsibility of the python_helper to get these APIs correct and
# we do not do any validation here that the e.g. version or arch matches the requested value
# (because the bigger issue there is a buggy+broken python_helper -- so don't try to fix those
# kinds of bugs here)
def version_available?(name, version, arch = nil)
p = python_helper.package_query(:whatavailable, name, version: version, arch: arch)
!p.version.nil?
end
# @api private
def python_helper
@python_helper ||= PythonHelper.instance
end
end # YumCache
end
end
end
end
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