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#
# Author:: Ezra Zygmuntowicz (<ezra@engineyard.com>)
# Copyright:: Copyright 2008-2016, 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 "chef/provider/package"
require "chef/mixin/command"
require "chef/resource/package"
require "chef/util/path_helper"
class Chef
class Provider
class Package
class Portage < Chef::Provider::Package
provides :package, platform: "gentoo"
provides :portage_package
PACKAGE_NAME_PATTERN = %r{(?:([^/]+)/)?([^/]+)}
def load_current_resource
@current_resource = Chef::Resource::Package.new(@new_resource.name)
@current_resource.package_name(@new_resource.package_name)
category, pkg = %r{^#{PACKAGE_NAME_PATTERN}$}.match(@new_resource.package_name)[1,2]
globsafe_category = category ? Chef::Util::PathHelper.escape_glob(category) : nil
globsafe_pkg = Chef::Util::PathHelper.escape_glob(pkg)
possibilities = Dir["/var/db/pkg/#{globsafe_category || "*"}/#{globsafe_pkg}-*"].map {|d| d.sub(%r{/var/db/pkg/}, "") }
versions = possibilities.map do |entry|
if(entry =~ %r{[^/]+/#{Regexp.escape(pkg)}\-(\d[\.\d]*((_(alpha|beta|pre|rc|p)\d*)*)?(-r\d+)?)})
[$&, $1]
end
end.compact
if versions.size > 1
atoms = versions.map {|v| v.first }.sort
categories = atoms.map {|v| v.split("/")[0] }.uniq
if !category && categories.size > 1
raise Chef::Exceptions::Package, "Multiple packages found for #{@new_resource.package_name}: #{atoms.join(" ")}. Specify a category."
end
elsif versions.size == 1
@current_resource.version(versions.first.last)
Chef::Log.debug("#{@new_resource} current version #{$1}")
end
@current_resource
end
def parse_emerge(package, txt)
availables = {}
found_package_name = nil
txt.each_line do |line|
if line =~ /\*\s+#{PACKAGE_NAME_PATTERN}/
found_package_name = $&.gsub(/\*/, "").strip
if package =~ /\// #the category is specified
if found_package_name == package
availables[found_package_name] = nil
end
else #the category is not specified
if found_package_name.split("/").last == package
availables[found_package_name] = nil
end
end
end
if line =~ /Latest version available: (.*)/ && availables.has_key?(found_package_name)
availables[found_package_name] = $1.strip
end
end
if availables.size > 1
# shouldn't happen if a category is specified so just use `package`
raise Chef::Exceptions::Package, "Multiple emerge results found for #{package}: #{availables.keys.join(" ")}. Specify a category."
end
availables.values.first
end
def candidate_version
return @candidate_version if @candidate_version
status = shell_out("emerge --color n --nospinner --search #{@new_resource.package_name.split('/').last}")
available, installed = parse_emerge(@new_resource.package_name, status.stdout)
@candidate_version = available
unless status.exitstatus == 0
raise Chef::Exceptions::Package, "emerge --search failed - #{status.inspect}!"
end
@candidate_version
end
def install_package(name, version)
pkg = "=#{name}-#{version}"
if(version =~ /^\~(.+)/)
# If we start with a tilde
pkg = "~#{name}-#{$1}"
end
shell_out!( "emerge -g --color n --nospinner --quiet#{expand_options(@new_resource.options)} #{pkg}" )
end
def upgrade_package(name, version)
install_package(name, version)
end
def remove_package(name, version)
if(version)
pkg = "=#{@new_resource.package_name}-#{version}"
else
pkg = "#{@new_resource.package_name}"
end
shell_out!( "emerge --unmerge --color n --nospinner --quiet#{expand_options(@new_resource.options)} #{pkg}" )
end
def purge_package(name, version)
remove_package(name, version)
end
end
end
end
end
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