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Re: branch efficiency

From: Karl Fogel <kfogel_at_red-bean.com>
Date: 2007-11-08 00:48:28 CET

"Andrew Sasak" <sasakand@msu.edu> writes:
> I am wondering if the "cheap copies" are used when merging changes from a
> modified file on a branch to an unmodified file on the trunk (or vice versa).
> Since my question might not be clear consider the following scenario:
> (I acknowledge that this is an extreme example)
> A branch is created.
> Changes are made to a relatively small number of files (lets say 1 file) and
> committed to the branch.
> Time goes by with 100's of files changed/added on the trunk.
> Meanwhile the branch has been untouched.
> The branch creator wants to continue using the branch, but would like to merge
> all the changes from the trunk into the branch.
> Does this merge use "cheap copies" to create the new revisions of the files on
> the branch, or does branching prevent the usage of hardlinks?

[This looks like an accidental repost of a previously-sent mail?]

No, unfortunately Subversion does not have this optimization (it should).
It's a known issue: http://subversion.tigris.org/issues/show_bug.cgi?id=2286


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Received on Thu Nov 8 00:48:46 2007

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