def candidate_version
return @candidate_version if @candidate_version
repos = ["extra","core","community"]
if(::File.exists?("/etc/pacman.conf"))
pacman = ::File.read("/etc/pacman.conf")
repos = pacman.scan(/\[(.+)\]/).flatten
end
package_repos = repos.map {|r| Regexp.escape(r) }.join('|')
status = popen4("pacman -Ss #{@new_resource.package_name}") do |pid, stdin, stdout, stderr|
stdout.each do |line|
case line
when /^(#{package_repos})\/#{Regexp.escape(@new_resource.package_name)} (.+)$/
@candidate_version = $2.split(" ").first
end
end
end
unless status.exitstatus == 0 || status.exitstatus == 1
raise Chef::Exceptions::Package, "pacman failed - #{status.inspect}!"
end
unless @candidate_version
raise Chef::Exceptions::Package, "pacman does not have a version of package #{@new_resource.package_name}"
end
@candidate_version
end