[MacPorts] #30328: Enable variants for specific ports in variants.conf

[MacPorts]

#30328: Enable variants for specific ports in variants.conf
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 Reporter:  ionic@…         |       Owner:  macports-tickets@…                   
     Type:  enhancement     |      Status:  new                                  
 Priority:  Low             |   Milestone:                                       
Component:  base            |     Version:                                       
 Keywords:                  |        Port:                                       
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Comment(by dluke@…):

 Replying to [comment:2 ionic@…]:
 > Several reasons:

 2 reasons?

 > It's easy to grep the file to see which ports use some specific variant
 or grep the file for a specific port.

 it's easy to grep the output of 'port installed' to see which ports use
 some specific variant or grep (or specify) the output for a specific port.

 > Also, using this you can change variants for several ports at once and
 just rebuild the affected packages by running port upgrade --enforce-
 variants for instance.

 This might be useful, but I've never wanted/needed it.

 Remember, that variants should be kept to a minimum anyway...

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Ticket URL: <https://trac.macports.org/ticket/30328#comment:3>
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