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Re: Scripting an svn:externals change

From: BRM <bm_witness_at_yahoo.com>
Date: Thu, 2 Sep 2010 12:19:17 -0700 (PDT)

----- Original Message ----

> On Sep 2, 2010, at 11:27, BRM wrote:
> > I recently had my subversion server die - the box, not subversion itself -
>and
>
> > have been working through the recovery process.
> > Part of that is going through and modifying a number of projects for the
>change
>
> > in the URL - namely changing from a non-standard port for apache to a
>standard
>
> > port.
> > We have started using svn:externals in some projects, but did not use the
> > relative path values - instead, specifying the whole URL; so I need to
>update
>
> > the URLs in the svn:externals.
> >
> > I know I can get the values using 'svn pget svn:externals'; but the SVN
>redbook
>
> > recommends against using pset/propset to set the values.
> > So, how do I set the values from a script? "svn help pset" seems to show a
>"-F"
>
> > parameter for reading the values from a file. This seems like it would take
>care
>
> > of the concern mentioned issue - that the externals are multi-line.
> > If that is the case, then shouldn't the note say to use that parameter with
>pset
>
> > or use pedit instead of flatly saying use pedit?
> > Or is there another reason why I shouldn't use pset?
>
> If you can afford to have the repository offline, make a dumpfile, twiddle it,
>load it
> into a new repository, and have everybody check out new working copies, you
>may
> want to consider doing that. The twiddling step would be done with the
>svndumptool
> script. The advantage would be that you could correct the externals
>definitions in all
> past revisions of the repository too, not just the HEAD, so that anybody
>needing to
> check out a past revision would still have working externals in the
>repository's new
> location. And do use relative externals this time so you won't have to do this
>kind
> of surgery ever again, noting that the relative externals syntax is only
>compatible
> with Subversion 1.5 and higher.

That's a good thought. I might try doing that tonight. I'm aware of they syntax
compat issue, and have no problem
saying that we have to use 1.5 or higher; it's just a matter of getting the
update through.

Ben
Received on 2010-09-02 21:20:14 CEST

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