module Puppet::Parser::Functions newfunction(:is_absolute_path, :type => :rvalue, :arity => 1, :doc => <<-'ENDHEREDOC') do |args| Returns boolean true if the string represents an absolute path in the filesystem. This function works for windows and unix style paths. The following values will return true: $my_path = 'C:/Program Files (x86)/Puppet Labs/Puppet' is_absolute_path($my_path) $my_path2 = '/var/lib/puppet' is_absolute_path($my_path2) $my_path3 = ['C:/Program Files (x86)/Puppet Labs/Puppet'] is_absolute_path($my_path3) $my_path4 = ['/var/lib/puppet'] is_absolute_path($my_path4) The following values will return false: is_absolute_path(true) is_absolute_path('../var/lib/puppet') is_absolute_path('var/lib/puppet') $undefined = undef is_absolute_path($undefined) ENDHEREDOC function_deprecation([:puppet_3_type_check, 'This method is deprecated, please use the stdlib validate_legacy function, with Stdlib::Compat::Absolute_path. There is further documentation for validate_legacy function in the README.']) require 'puppet/util' path = args[0] # This logic was borrowed from # [lib/puppet/file_serving/base.rb](https://github.com/puppetlabs/puppet/blob/master/lib/puppet/file_serving/base.rb) # Puppet 2.7 and beyond will have Puppet::Util.absolute_path? Fall back to a back-ported implementation otherwise. if Puppet::Util.respond_to?(:absolute_path?) then value = (Puppet::Util.absolute_path?(path, :posix) or Puppet::Util.absolute_path?(path, :windows)) else # This code back-ported from 2.7.x's lib/puppet/util.rb Puppet::Util.absolute_path? # Determine in a platform-specific way whether a path is absolute. This # defaults to the local platform if none is specified. # Escape once for the string literal, and once for the regex. slash = '[\\\\/]' name = '[^\\\\/]+' regexes = { :windows => %r!^(([A-Z]:#{slash})|(#{slash}#{slash}#{name}#{slash}#{name})|(#{slash}#{slash}\?#{slash}#{name}))!i, :posix => %r!^/! } value = (!!(path =~ regexes[:posix])) || (!!(path =~ regexes[:windows])) end value end end