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RE: How to fix corrupt revision in repo?

From: David Hopkins <DHopkins_at_serck-controls.com.au>
Date: Fri, 16 Sep 2011 08:30:14 +0800

Thanks Daniel. Responses inline.

>> David Hopkins wrote on Thu, Sep 15, 2011 at 10:30:46 +0800: I'm not
>> why the verification command for revision 192 would throw an error
>> description for revision 162. Revision 192 affected a completely
>> different part of the repository to revision 162, so there is no
>> relationship between them.
> Possibly due to rep-sharing? Does db/revs/0/192 contain the number
> in ASCII decimal delimited by whitespace? You can check that with the
> following command: grep -a "^text:" db/revs/0/192

Yes it does.

Here's the context in the rev file:
id: y-31.0-32.r192/673830
type: file
pred: y-31.0.r31/264323
count: 1
text: 162 670867 6111 52486 5117fb0964ca1a78dd97447d23452e73
609f4745460d6e14860daff0803ee7024c54898c 191-5r/_m
cpath: [redacted]
copyroot: 32 [redacted]

Looking at the other nearby entries, they have "text: 192 [...]"
instead of "text: 162 [...]". Is that likely to be the problem?

> Does 'svnadmin dump -r 162 >NUL' work ?

Yes it does.

> To answer your question: yes, most definitely a copy of the r192
> r162) rev file would allow to pinpoint the problem, however you might
> not want to share those files on a public list as they may contain
> sensitive data (versioned file contents).

I'll find out if I can release the broken revisions in their entirety.

The corrupted revision doesn't actually contain anything particularly
important (almost all the modified files in it have since been replaced
by newer versions anyway). Can I fix the repository by dumping every
revision except 192, and then reloading the good revisions into a new
repo? Or will cause problems for the revisions after 192 since one of
the revisions no longer exists?


David Hopkins
Serck Controls

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Received on 2011-09-16 02:30:56 CEST

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