[MacPorts] #21640: MacPorts patch generation script

[MacPorts]

#21640: MacPorts patch generation script
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 Reporter:  royliu@…            |       Owner:  macports-tickets@…                   
     Type:  submission          |      Status:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  1.8.0                                
 Keywords:                      |        Port:                                       
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 I've developed a script to diff two directories, one unmodified and one
 unmodified, and auto-generate MacPorts-compliant patches of the form
 patch-*.diff that belong in the "files/" directory of a Port. In addition
 to this, it will generate files found in the modified version that will
 need to be added to the directory structure of the unmodified
 distribution.

 Please find attached a sample run from diffing an unmodified and modified
 emacs-app distribution, as well as the script itself.

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Ticket URL: <http://trac.macports.org/ticket/21640>
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