[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 mojca@…):

 The problem is that I'm now trying to push some projects into making
 GitHub clones just for the sake of being able to avoid constant re-
 fetching of the sources from a random git repository. I would be really
 really grateful if MacPorts would get the ability to store the old
 repository and/or to mirror snapshots in the form of .tar.[gz|bz2|xz]
 files.

 I suspect that solution would need to be implemented for each system
 separately anyway (different commands for svn, git and hg). I wanted to
 push the issue to start with git which is probably most widely used.

 I would like to add a new port and I'm trying to figure out whether I
 should:
   * make an unofficial mirror on GitHub (in my user account)
   * deal with the pain of re-fetching from the original repository
   * or make sure that the issue gets fixed in MacPorts
 I would prefer the last one.

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Ticket URL: <https://trac.macports.org/ticket/16373#comment:12>
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