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# frozen_string_literal: true
require_relative '../../puppet/util/package'
# Compares two version numbers.
#
# Prototype:
#
# $result = versioncmp(a, b)
#
# Where a and b are arbitrary version strings.
#
# Optional parameter ignore_trailing_zeroes is used to ignore unnecessary
# trailing version numbers like .0 or .0.00
#
# This function returns:
#
# * `1` if version a is greater than version b
# * `0` if the versions are equal
# * `-1` if version a is less than version b
#
# @example Using versioncmp
#
# if versioncmp('2.6-1', '2.4.5') > 0 {
# notice('2.6-1 is > than 2.4.5')
# }
#
# This function uses the same version comparison algorithm used by Puppet's
# `package` type.
#
Puppet::Functions.create_function(:versioncmp) do
dispatch :versioncmp do
param 'String', :a
param 'String', :b
optional_param 'Boolean', :ignore_trailing_zeroes
end
def versioncmp(a, b, ignore_trailing_zeroes = false)
Puppet::Util::Package.versioncmp(a, b, ignore_trailing_zeroes)
end
end
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