40e534f Don't allow a dash in the value that will be used for an RPM disttag

Authored and Committed by mprahl 5 years ago
    Don't allow a dash in the value that will be used for an RPM disttag
    
    When importing a base module, we must ensure the value that will be
    used in the RPM disttags doesn't contain a dash since a dash isn't
    allowed in the release field of the NVR.