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Re: svn:externals and revisions

From: C. Michael Pilato <cmpilato_at_collab.net>
Date: 2005-06-28 19:20:39 CEST

John Peacock <jpeacock@rowman.com> writes:

> Ben Collins-Sussman wrote:
> > Hm, this might be a bug. What you're saying is that 'svn up -r X'
> > updates the working copy to revision X, but updates the externals to
> > HEAD?
>
> What other choice would you have Subversion make? Externals can point
> at a completely different repository, so there it is highly likely
> that the same rev number has no correlation there. This could be
> added as a FAQ item (cd into the externals directory and update to the
> appropriate backrev if desired).

Correct. In fact, a "best practice" for proper use of externals would
demand that all externals definitions specify a particular revision so
the a project can a) choose more intelligently when to "upgrade" to a
newer snapshot of the external thing, and b) so that the version
history of the main and external repositories can be more tightly
coupled, allowing for backdates which are guaranteed to produce
accurate results.

I'll make a note to add such a thing to the Subversion book.

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Received on Tue Jun 28 19:29:07 2005

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