[MacPorts] #19433: "port upgrade all" should be diagnosed as an error

[MacPorts]

#19433: "port upgrade all" should be diagnosed as an error
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 Reporter:  Dave@…         |       Owner:  macports-tickets@…                   
     Type:  defect         |      Status:  new                                  
 Priority:  Normal         |   Milestone:  Port Bugs                            
Component:  ports          |     Version:  1.7.1                                
 Keywords:                 |        Port:                                       
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Comment(by raimue@…):

 We never instruct to use `port upgrade all`, so I don't see why you would
 do this at all. The error message that the requested port is not installed
 is clear enough, isn't it?

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Ticket URL: <http://trac.macports.org/ticket/19433#comment:1>
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