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require 'puppet/util/package'
Puppet::Parser::Functions::newfunction( :versioncmp, :type => :rvalue, :doc =>
"Compares two version numbers.
Prototype:
\$result = versioncmp(a, b)
Where a and b are arbitrary version strings.
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:
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.
") do |args|
unless args.length == 2
raise Puppet::ParseError, "versioncmp should have 2 arguments"
end
return Puppet::Util::Package.versioncmp(args[0], args[1])
end
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