[MacPorts] #27577: Conflict upgrading dos2unix port to 5.1.1 if unix2dos port is also installed

[MacPorts]

#27577: Conflict upgrading dos2unix port to 5.1.1 if unix2dos port is also
installed
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 Reporter:  jmcmurry@…                  |       Owner:  macports-tickets@…                   
     Type:  defect                      |      Status:  new                                  
 Priority:  Low                         |   Milestone:                                       
Component:  ports                       |     Version:  1.9.2                                
 Keywords:                              |        Port:  dos2unix                             
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 Per the dos2unix homepage:  "Since version 5.0 (2010-02-16) is Unix2Dos
 included in the Dos2Unix package. The separate Unix2Dos package is now
 obsolete."

 This causes the upgrade of dos2unix from 4.1.2 to 5.1.1 to display file
 conflicts if the system has the old "unix2dos" port installed as well.
 Workaround is `port uninstall unix2dos` before updating dos2unix.

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Ticket URL: <https://trac.macports.org/ticket/27577>
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