[MacPorts] #16373: svn git and hg fetch type should maintain a persistent working copy

[MacPorts]

#16373: svn git and hg fetch type should maintain a persistent working copy
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  Reporter:  ryandesign@…  |      Owner:  macports-tickets@…
      Type:  enhancement   |     Status:  new
  Priority:  Normal        |  Milestone:  MacPorts Future
 Component:  base          |    Version:  1.7.0
Resolution:                |   Keywords:  performance fetch
      Port:                |
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Comment (by ryandesign@…):

 Replying to [comment:21 cal@…]:
 > This needs to be implemented in
 browser:trunk/base/src/port1.0/portfetch.tcl; there are a couple of procs
 named portfetch::${vcs}fetch where this would have to be implemented.

 Currently, when using a non-distfile fetch.type, they fetch directly into
 workpath, and the extract phase does nothing; the extract phase would also
 have to be updated to do something.

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Ticket URL: <https://trac.macports.org/ticket/16373#comment:22>
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