Ubuntu used a patch for this, but it's just a work-around for now and multiple upstream's developers told me that is not the right approach to use. -- debbug#555134 ...
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ID Status Resolution Sev Product Comp Assignee Reporter Summary
4397 CLOS DUPL enh Sisyphus rpm-buil placeholder ildar make find-requires also process package scripts (e.g. post-install)

File a new bug in the "rpm-build" component of the "Sisyphus" product