changed index parents?

[Jelmer Vernooij]

On Tue, Sep 18, 2007 at 03:41:52PM +1000, Robert Collins wrote:
> So Aaron's not at fault here....

> On Tue, 2007-09-18 at 14:28 +1000, Robert Collins wrote:
> > On Tue, 2007-09-18 at 10:40 +1000, Robert Collins wrote:
> > > Hi Aaron, I just saw a bunch of changed index parents in bzr.dev - I'm
> > > guessing that you had run your improved reconcile on your repository, so
> > > merging your reconfigure patch changed bzr.dev.

> > > Could you confirm this, so I don't have to keep looking for a bug in
> > > packs :).

> > Further to this the new parents are *wrong*.

> > details:
> > for NEWS, 
> > robertc at robertcollins.net-20070720032020-xiftpb5gqeebo861
> > has two parents at the revision level:
> > parent: pqm at pqm.ubuntu.com-20070720015347-eaeqmggngaemmbde
> > parent: pqm at pqm.ubuntu.com-20070705224207-7pslqt12ofh4vnzx

> > now, NEWS was altered by my commit, so it got its own revid.
> > At the file graph level it can have either one parent (if the merging
> > revisions had collapsed) or two (if they hadn't).

> > My laptop where the commit was made has: ['robertc at robertcollins.net-20070720005841-xnu6um6vx0n41h0k']

> > bzr.dev has: ['robertc at robertcollins.net-20070720005841-xnu6um6vx0n41h0k', 'pqm at pqm.ubuntu.com-20070705224207-7pslqt12ofh4vnzx']

> > Now, pqm at pqm.ubuntu.com-20070705224207-7pslqt12ofh4vnzx changed NEWS, as did 'robertc at robertcollins.net-20070720005841-xnu6um6vx0n41h0k'

> > but...
> > ....nzx is in the ancestry of ...h0k

> > And doing heads() of the two correctly returns ...h0k.

> > So I'm not sure whats going on here, but as of *now* bzr.dev has incorrect, corrupt per-file graph data.

> I was able to pull bzr.dev yesterday morningish so I am suspecting one
> of the merges from the following people caused the problem:

> Martin
> Jelmer
> Keir Merle
> D.M Watkins
> Ian C

> Its *possibly* caused by running the reconcile logic Aaron was working
> on, or possibly by something else.

> If you are on this list of names please do the following in your
> repository that bzr's merge was pulled from:

> grep qeebo861 .bzr/repository/knits/ed/%4e%45%57%
> 53-20050323055033-4e00b5db738777ff.kndx

> Please paste the output into a mail to me/the list.

> An uncorrupted repo will have 3 numbers at the end of the line, and only
> one line.

> A repo that has had its indices recreated incorrectly will show one line
> with 4 numbers (offset, length, parent1, parent2).

Mine looks fine:

jelmer at us2:/data/bzr/jelmer/bzr$ grep qeebo861
.bzr/repository/knits/ed/%4e%45%57%*
.bzr/repository/knits/ed/%4e%45%57%53-20050323055033-4e00b5db738777ff.kndx:robertc at robertcollins.net-20070720032020-xiftpb5gqeebo861
line-delta 2053608 375 1609 :

Hope this helps.

Cheers,

Jelmer

-- 
Jelmer Vernooij <jelmer at samba.org> - http://jelmer.vernstok.nl/