[MacPorts] #30704: git-core: support Perl-compatible regexes

[MacPorts]

#30704: git-core: support Perl-compatible regexes
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 Reporter:  carsomyr@…          |       Owner:  maccheck@…        
     Type:  enhancement         |      Status:  new               
 Priority:  Normal              |   Milestone:                    
Component:  ports               |     Version:  2.0.99            
 Keywords:  haspatch            |        Port:  git-core          
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Comment(by carsomyr@…):

 Good point!  I've reattached patch-Portfile.diff.  libpcre support is now
 a variant.  Please rebuild and see if "git grep -P" works (if libpcre
 support isn't there, then git will just complain and do nothing).

 Replying to [comment:2 cal@…]:
 > I wonder whether we should make this a variant, or add it by default.

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Ticket URL: <https://trac.macports.org/ticket/30704#comment:3>
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