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Re: svn diff problem

From: Garrett Rooney <rooneg_at_electricjellyfish.net>
Date: 2002-05-07 04:08:24 CEST

On Mon, May 06, 2002 at 08:57:05PM -0500, Ben Collins-Sussman wrote:
> Garrett Rooney <rooneg@electricjellyfish.net> writes:
> > i've seen this behavior mentioned on the list before, and i never got
> > a satisfactory answer to it.
> >
> > running 'svn diff -r 1878:1879 packages/freebsd/subversion' in the top
> > level of a checked out svn tree produces a diff that includes a diff
> > of the html that mod_dav_svn spits out for the directory
> > packages/freebsd/subversion. this can't possibly be what we want the
> > user to see in this situation...
> >
> > if you leave off the 'packages/freebsd/subversion' argument, the
> > output is as i would expect.
> I'm not sure what the issue is here.
> In the first example, you're running
> svn diff -r X:Y foo/bar/baz
> ...which means, "do a diff between foo/bar/baz and itself at two
> different revisions". Thus I expect all paths to be relative to baz.
> After all, the server is comparing two versions of baz, and driving an
> editor to describe the differences. Thus 'baz' is the root of the
> tree-delta.
> In the second case, you're running
> svn diff -r X:Y
> ...which means, "do a diff between '.' and itself and at two different
> revisions." If '.' happens to be the top of your tree, then you're
> going to see *all* diffs within /trunk. (Of course, in your
> particular example, all changes in commit Y happened to be within baz
> anyway)
> So I turn the question around, what do you expect to see?

i'd expect to see pretty much what i'm seeing now, except for this

+ <h2>/trunk/packages/freebsd/subversion</h2>
+ <ul>
+ <li>..</li>
+ <li>Makefile/</li>
+ <li>distinfo/</li>
+ <li>files/</li>
+ <li>pkg-comment/</li>
+ <li>pkg-descr/</li>
+ <li>pkg-plist/</li>
+ </ul>
+ <hr noshade><em>Powered by Subversion</em>

where is this html sneaking in from? i'm not positive, but i suspect
that the same diff over ra_local wouldn't produce it.

to put it another way, if i run 'svn diff -r 1878:1879 packages/freebsd'
i expect to see the same output i would get from 'svn diff -r 1878:1879',
since revision 1879 only touched files inside packages/freebsd anyway.

> - Ben, who is getting tired of discussing diff's interface. Sigh.
> (At least it's not an 'svn status' discussion!)



garrett rooney                    Remember, any design flaw you're 
rooneg@electricjellyfish.net      sufficiently snide about becomes  
http://electricjellyfish.net/     a feature.       -- Dan Sugalski
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Received on Tue May 7 04:09:18 2002

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