Re: [Monotone-devel] [ANNOUNCE] monotone 0.22

[Conrad Steenberg]

Hi Matthew

Seems like this was caused by an out-of-date .mt-attrs file:
I moved around a few files which had corresponding entries in .mt-attrs,
and committed my changes. The .mt-attrs file was NOT updated. 

When the .mt-attrs file was subsequently updated manually, and
committed, the error message went away.

So at the very least the error message is not very informative, and the
behaviour of magically created files requiring manual updates is rather
unexpected :-)

Cheers

Conrad


On Wed, 2005-08-10 at 14:05 +1200, Matthew Gregan wrote:
> At 2005-08-09T17:17:56-0700, Conrad Steenberg wrote:
> > monotone: attribute map path is .mt-attrs
> > monotone: unix/process.cc:61: usage constraint 'N(fd != -1)' violated
> > terminate called after throwing an instance of 'informative_failure'
> 
> It looks like make_executable is being called on a file that either
> doesn't exist, or that you don't have permission to open.
> 
> The error handling in make_executable has been changed in 0.22 as part
> of a fix for a race condition.  Previously, the error was being
> propagated back to the caller; now we throw an exception.
> 
> Two things to try:
> - look at the contents of .mt-attrs and compare to the files that exist
>   in your working copy or...
> - strace monotone to find out which file it's failing to open.
> 
> We shouldn't be able to end up in a situation where the .mt-attrs file
> has records in it for files that don't exist in that revision...
> perhaps there is not enough sanity checking being done on the .mt-attrs
> file.
> 
> Cheers,
> -mjg
-- 
Conrad Steenberg <address@hidden>
California Institute of technology

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