ff5dd5d75a
Puppet passes numbers as String to functions, but it makes more sense to compare them as Numeric. But sometimes Puppet passes them as the wrong type, see: https://projects.puppetlabs.com/issues/19812
21 lines
630 B
Ruby
21 lines
630 B
Ruby
module Puppet::Parser::Functions
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newfunction(:max, :type => :rvalue, :doc => <<-EOS
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Returns the highest value of all arguments.
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Requires at least one argument.
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EOS
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) do |args|
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raise(Puppet::ParseError, "max(): Wrong number of arguments " +
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"need at least one") if args.size == 0
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# Sometimes we get numbers as numerics and sometimes as strings.
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# We try to compare them as numbers when possible
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return args.max do |a,b|
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if a.to_s =~ /\A-?\d+(.\d+)?\z/ and b.to_s =~ /\A-?\d+(.\d+)?\z/ then
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a.to_f <=> b.to_f
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else
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a.to_s <=> b.to_s
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end
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end
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end
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end
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