[BUG] Knit code assertion error

[Robert Collins]

On Thu, 2006-04-20 at 09:43 -0500, John Arbash Meinel wrote:
> Robert Collins wrote:
> > On Wed, 2006-04-19 at 22:21 -0500, John Arbash Meinel wrote:
> >> Robert Collins wrote:
> >>> just grabbing lunch, will be back soon.
> >>>
> >>> I have encountered a variation on the short read, in _read_eof, so I'm
> >>> going to debug that and add a test for it. Hopefully they are closely
> >>> related.
> >>>
> >>> Rob
> >> I think I might have a clue as to the problem. It only happens at the
> >> time you *create* the working tree. On the new machine, it successfully
> >> creates a branch in a knit repository, but then doing:
> >>
> >> $ bzr checkout
> >> bzr: ERROR: exceptions.AssertionError:
> >>   at /home/jameinel/dev/bzr/bzr.dev/bzrlib/knit.py line 1270
> >>   in _parse_record
> >>
> >> Hopefully that will help you track down the problem.
> > 
> > This problem _should_ have been fixed in the commit for revision 1649 -
> > which fixed the line splitting to not split on \r.
> > 
> > I'll need a copy of the knit format repository (as generated by current
> > bzr.dev) to debug this - seeing the data coming out is critical.
> > 
> > Rob
> > 
> 
> Well, with a newer revision of bzr.dev:
>  1675 Canonical.com Patch Queue Manager 2006-04-20
>       (mbp) #36963, #3619, #39657, other cleanups
> 
> It now gives a different error at the time of checkout:
> $ bzr checkout
> bzr: ERROR: struct.error: unpack str size does not match format
>   at /home/jameinel/dev/bzr/bzr.dev/bzrlib/tuned_gzip.py line 143
>   in _read_eof
> 
> The tarball is quite a bit bigger (I assume because everything is
> gzipped, and thus bz2 can't do as well) but you can get it here:
> http://src.i-clic.uihc.uiowa.edu/bzr/mifar-repo-knit.tar.bz2
> 
> So to be clear, I can branch into a repository that does not contain
> working trees. And I can upgrade an existing branch. But when I go to
> create a working tree, it causes the above error. (If you want, I can
> attach the traceback).

This was fixed by pqm at pqm.ubuntu.com-20060420052645-766474fe9eefd59a
Really fix short-read support in tuned_gzip. The python zlib module
behaved differently than thought.

Cheers,
Rob

-- 
GPG key available at: <http://www.robertcollins.net/keys.txt>.
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