[MacPorts] #24178: When patchfiles-delete deletes all patches in patchfiles, org.macports.patch crashes.

[MacPorts]

#24178: When patchfiles-delete deletes all patches in patchfiles,
org.macports.patch crashes.
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  Reporter:  gellule.xg@…        |       Owner:  macports-tickets@…                   
      Type:  defect              |      Status:  closed                               
  Priority:  Normal              |   Milestone:  MacPorts 1.9.0                       
 Component:  base                |     Version:  1.8.2                                
Resolution:  fixed               |    Keywords:                                       
      Port:                      |  
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Comment(by ryandesign@…):

 Replying to [comment:2 raimue@…]:
 > If we want to do that for all options we would either have to make no
 difference between unset and empty

 Well, where do we differentiate between unset and empty, and why do we do
 so?

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Ticket URL: <http://trac.macports.org/ticket/24178#comment:3>
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