[PATCH] Add an explicit call to dirstate.write to debugsetparents.

[Alexis S. L. Carvalho]

Thus spake Nathan Binkert:
> I know this is a way old patch, but I'd like to point out that in the head 
> at least, this is necessary if you follow debugsetparents with commit. 
> commit might call repo.status() which will overwrite the value that was 
> there since it's likely that __del__ will not have happened by then.

I've pushed a fix to crew-stable (and crew) to write the dirstate while
holding the correct lock.  Thanks for bringing this up.

> Now, I'll admit that this will only happen if you import 
> mercurial.commands and are trying to call one after the other in a python 
> script.  (I'm trying to make tailor support parents properly.)

It's a bit strange to use commands.debugsetparents - you could just call
dirstate.setparents directly... (while holding the wlock).  But if it
works...

Alexis