[MacPorts] #16506: "port extract" in current directory extracts nothing

[MacPorts]

#16506: "port extract" in current directory extracts nothing
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  Reporter:  vinc17 at macports.org  |       Owner:  macports-tickets at lists.macosforge.org
      Type:  defect               |      Status:  closed                               
  Priority:  Normal               |   Milestone:  MacPorts base bugs                   
 Component:  base                 |     Version:  1.6.0                                
Resolution:  invalid              |    Keywords:                                       
      Port:                       |  
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Comment(by raimue at macports.org):

 The -f flag does not override the state, but if the modified timestamp on
 the Portfile is newer than on the state file, port will delete the state
 file and start from beginning. So `touch Portfile` would have resolved
 this without manually deleting the state file.

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Ticket URL: <http://trac.macports.org/ticket/16506#comment:6>
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