validateFixVersion.groovy

FormField fixfield = getFieldById(getFieldChanged())
def versions = fixfield.getValue() as List<Version>

// Make sure all versions consist of 2 '.' separated numeric fields.

// sometimes versions list can have a null in it... don't ask
versions.remove(null)

def badVersionNames = versions.findAll {! it.name.matches(/^\d+\.\d+$/)}*.name
if (badVersionNames) {
    fixfield.setError("'Fix Version/s' must consist of 1 or more versions with 2 '.' separated numeric fields (ex: 14.1) " + badVersionNames + "}")
}
else {
    fixfield.clearError()
}