[MERGE] run_bzr_suprocess avoids preexec_fn

[Alexander Belchenko]

John Arbash Meinel пишет:
> Alexander Belchenko wrote:
>> John Arbash Meinel пишет:
>>> Alexander: does this get those tests to not fail for you?
>> Unfortunately your bundle incomplete. I cannot simply merge it into
>> bzr.dev. After applying your bundle as patch I anyway got the same error
>> about preexec_fn and tests fails.
> 
> The bundle is incomplete because it was based on my earlier
> run_subprocess fixes (to handle when the env var is None). However,
> these have now been merged into bzr.dev, and you can try again.
> 
> I'm assuming the patch didn't apply at all, because I completely removed
> preexec_fn. Probably the patch got rejected because I was changing the
> same area relative to bzr.dev.

After successfully applying your bundle to bzr.dev revno.1986 I got the 
same error with preexec_fn.

--
Alexander