Re: How to replace a single corrupt, packed object?

[Nicolas Pitre <nico@cam.org>]

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On Mon, 15 Sep 2008, Johannes Schindelin wrote:

> On Sun, 10 Aug 2008, Nicolas Pitre wrote:
> 
> > On Fri, 8 Aug 2008, Johannes Schindelin wrote:
> > 
> > > my auto gc kicked in, and shows this:
> > > 
> > > fatal: corrupt packed object for 2c1e128aa51e3a64bd61556c0cd488628b423ccf
> > > error: failed to run repack
> > > 
> > > Fortunately, I have the uncorrupted object somewhere else.  So I copy the 
> > > single object as a loose one, and all is fine.  Right?
> > > 
> > > Wrong.
> > 
> > Well, to be sure things are then right or wrong, just do a 
> > 
> > 	git show 2c1e128aa51e3a64bd61556c0cd488628b423ccf
> > 
> > If you can't see the object before, and are able to see it once it has 
> > been copied over, then things are "right".
> > 
> > > Repack still picks up the corrupt object instead of the good one.  
> > > What's the best way out?
> > 
> > How do you repack?  The only way to get rid of a corrupted object in 
> > that case is to 'git repack -a -f'.
> 
> Turns out I am a complete, utter moron.  And I am sure René will quote me 
> on that.
> 
> Git would probably have taken the copied-over object, and now took the 
> copied-over pack (finally!).
> 
> My mistake was to keep the .keep file.  And the corrupt object was -- you 
> guessed it -- in the corresponding .pack file.

OK.  Then I'll dig my patch out and write a test for it before 
submitting it to Junio.


Nicolas