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# frozen_string_literal: true
#
# dirname.rb
#
module Puppet::Parser::Functions
newfunction(:dirname, type: :rvalue, doc: <<-DOC
@summary
Returns the dirname of a path.
@return [String] the given path's dirname
DOC
) do |arguments|
raise(Puppet::ParseError, 'dirname(): No arguments given') if arguments.empty?
raise(Puppet::ParseError, "dirname(): Too many arguments given (#{arguments.size})") if arguments.size > 1
raise(Puppet::ParseError, 'dirname(): Requires string as argument') unless arguments[0].is_a?(String)
# undef is converted to an empty string ''
raise(Puppet::ParseError, 'dirname(): Requires a non-empty string as argument') if arguments[0].empty?
return File.dirname(arguments[0])
end
end
# vim: set ts=2 sw=2 et :
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