[MacPorts] #14172: unison upgrade removed unison-2.13 - synchronization with some machines fails

[MacPorts]

#14172: unison upgrade removed unison-2.13 - synchronization with some machines
fails
---------------------------------+------------------------------------------
 Reporter:  vinc17 at macports.org  |       Owner:  eridius at macports.org
     Type:  defect               |      Status:  new                 
 Priority:  Normal               |   Milestone:                      
Component:  ports                |     Version:  1.6.0               
 Keywords:                       |  
---------------------------------+------------------------------------------
 The upgrade to Unison 2.27.57 removed the unison-2.13 binary, with the
 consequence that synchronization is no longer possible with machines using
 Unison 2.13. These two versions are incompatible:
 {{{
 Fatal error: Received unexpected header from the server:
  expected "Unison 2.13\n" but received "Unison 2.27\n\000\000\000\000",
 which differs at "Unison 2.2".
 This can happen because you have different versions of Unison
 installed on the client and server machines, or because
 your connection is failing and somebody is printing an error
 message, or because your remote login shell is printing
 something itself before starting Unison.
 }}}
 I think a unison-2.13 port should be added, based on the old Portfile, but
 only the unison-2.13 binary should be installed, not the symbolic link
 ${prefix}/bin/unison.

-- 
Ticket URL: <http://trac.macosforge.org/projects/macports/ticket/14172>
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