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Re: Fwd: omitting history?

From: Andy Levy <andy.levy_at_gmail.com>
Date: 2006-01-16 15:33:38 CET

On 1/16/06, Duncan Murdoch <murdoch@stats.uwo.ca> wrote:
> On 1/16/2006 8:30 AM, Andy Levy wrote:
> > Forwarding to the list, accidentally replied only to Karl before.
> >
> > ---------- Forwarded message ----------
> > From: Andy Levy <andy.levy@gmail.com>
> > Date: Jan 16, 2006 8:30 AM
> > Subject: Re: omitting history?
> > To: Karl Berry <karl@freefriends.org>
> >
> >
> > On 1/15/06, Karl Berry <karl@freefriends.org> wrote:
> >> Is it possible to tell subversion *not* to store history for certain
> >> files? Or to "obliterate" changes for certain files after they have
> >> been made? Perforce can do this (p4 obliterate), for example.
> >>
> >> For our project (TeX Live), we have many megabytes of binaries we need
> >> in our tree, the diffs for which will unnecessarily consume a whole lot
> >> of resources.
> >
> > Have you tested this out yet? IIRC subversion does store diffs of
> > binary files, so you may not be consuming multiple megabytes for each
> > revision.
> I don't know what Karl's binaries are like, but we have the same
> problem, and there the binary diffs *are* large, because the files are
> all compressed. For example, adding a 70K zip of a 300K text file to
> the repository resulted in a 71K rev. Adding one line to that file,
> rezipping and committing resulted in a 68K rev. Compare this to
> committing the uncompressed file (107K used), then adding a line (2K).

Good point, and why I asked if he'd tested yet. Depending upon upon
the type of files, diffs may not be efficient.

> We're using this to handle web pages, and it means we need two different
> methods for distributing text content and frequently changing binary
> content.

Is your binary content generated from text files (source) that's also
in the repository? If so, why not store just the source and generate
the binaries when doing a release to the site? This would work best
with zipfiles and executables, obviously.

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Received on Mon Jan 16 17:20:55 2006

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