[MacPorts] #62980: port reclaim: allow disabling ccache cleanup by default, via config

[MacPorts]

#62980: port reclaim: allow disabling ccache cleanup by default, via config
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 Reporter:  mascguy      |      Owner:  (none)
     Type:  enhancement  |     Status:  new
 Priority:  Normal       |  Milestone:  MacPorts Future
Component:  base         |    Version:  2.7.0
 Keywords:  reclaim      |       Port:
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 While the new ccache cleanup functionality in 2.7.x is great, users should
 have the ability to configure whether it runs by default. And that
 configuration setting should affect both the default answer for
 interactive reclaim mode, as well as whether it's enabled during non-
 interactive runs (via `port -N reclaim).

 This is particularly important for MacPorts developers, as we generally
 prefer to NOT wipe the ccache area during reclaim. And it's a royal pain
 to have to run via interactive mode each time.

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Ticket URL: <https://trac.macports.org/ticket/62980>
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