5c90259 pkgset: Allow empty list of modules

Authored and Committed by lsedlar 6 years ago
    pkgset: Allow empty list of modules
    
    This should indicate that it's a modular variant, but there is no
    modular content yet. We don't want to treat that as Everything.
    
    The end result will be an empty repository.
    
    Fixes: https://pagure.io/pungi/issue/871
    Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>
    
        
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