[MacPorts] #14928: 'port install BAD' should return non-0 error code

[MacPorts]

#14928: 'port install BAD' should return non-0 error code
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 Reporter:  bulk@…         |       Owner:  macports-tickets@…                   
     Type:  enhancement    |      Status:  new                                  
 Priority:  Normal         |   Milestone:  MacPorts base enhancements           
Component:  base           |     Version:  1.7.0                                
 Keywords:                 |        Port:                                       
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Comment(by vinc17@…):

 And if other port names are provided on the command line, these ports
 should not be installed, because BAD could be some syntax error and port
 cannot know which variant the user intended to install.

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Ticket URL: <http://trac.macports.org/ticket/14928#comment:4>
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