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Posted to dev@subversion.apache.org by John Szakmeister <jo...@szakmeister.net> on 2006/10/26 00:38:32 UTC
Creating a self-compressed svndiff from a file...
Can anyone provide some pointers on the functions I need to call to get a self-compressed svndiff stream for a file? I'm trying to fix someone's repository, but I can't seem to get anything converted into an svndiff stream. I called svn_txdelta_to_svndiff2() to get the window handler and baton, then I called svn_txdelta_target_push() to get a writable stream. But when I write to it, nothing comes out. :-( Any tips would be extremely helpful!
Thanks!
-John
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Re: Creating a self-compressed svndiff from a file...
Posted by John Szakmeister <jo...@szakmeister.net>.
----- Malcolm Rowe <ma...@farside.org.uk> wrote:
> On Wed, Oct 25, 2006 at 08:38:32PM -0400, John Szakmeister wrote:
> > Can anyone provide some pointers on the functions I need to call to
> get a self-compressed svndiff stream for a file? I'm trying to fix
> someone's repository, but I can't seem to get anything converted into
> an svndiff stream. I called svn_txdelta_to_svndiff2() to get the
> window handler and baton, then I called svn_txdelta_target_push() to
> get a writable stream. But when I write to it, nothing comes out. :-(
> Any tips would be extremely helpful!
> >
>
> That should work fine, though you'll need to send
> SVN_DELTA_WINDOW_SIZE
> bytes (100k) of target data before you get any output (or close the
> target stream, of course). I assume you're passing
> svn_stream_empty()
> as the source stream for svn_txdelta_target_push()?
I would've thought the close would have flushed the stream (it didn't seem to). At any rate, Brane responded showing that the svndiff-test.c was awfully close to what I wanted, so I took a look at it and got everything working.
Thanks!
-John
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Re: Creating a self-compressed svndiff from a file...
Posted by Malcolm Rowe <ma...@farside.org.uk>.
On Wed, Oct 25, 2006 at 08:38:32PM -0400, John Szakmeister wrote:
> Can anyone provide some pointers on the functions I need to call to get a self-compressed svndiff stream for a file? I'm trying to fix someone's repository, but I can't seem to get anything converted into an svndiff stream. I called svn_txdelta_to_svndiff2() to get the window handler and baton, then I called svn_txdelta_target_push() to get a writable stream. But when I write to it, nothing comes out. :-( Any tips would be extremely helpful!
>
That should work fine, though you'll need to send SVN_DELTA_WINDOW_SIZE
bytes (100k) of target data before you get any output (or close the
target stream, of course). I assume you're passing svn_stream_empty()
as the source stream for svn_txdelta_target_push()?
Regards,
Malcolm