I have a field which is only required on certain incarnations of a
particular model....

Model is Versions,

field is => changes

The changes field I want to be required but not for the first version
that is created.

Can you apply a :required statement with conditions applied to a
field?

I have also tried to add a, before_validation_on_create statement to
my model, to populate the field with a default value for the
first_version but that does not seem to have worked

Any ideas, or suggestions?

Thanks

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