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On Thu, 11 Oct 2012, Wayne Werner wrote:

> So here's where things got weird. I could call
> `subprocess.check_output(['hg', 'root'])`, and things worked just fine. But
> when I added the env parameter, I got the untrusted issues. So if I did:
>
> import os, subprocess
>
> # Works just fine
> subprocess.check_output(['hg', 'root'])
>
> # Gives untrusted issues
> subprocess.check_output(['hg', 'root'], env=os.environ)

So... curiouser and curiouser - it looks like it's not *actually* execve's
fault after all. I just compiled the code from the man page, tweaked it to
run 'hg root', and passed it a new environment. No problems. Well, then I
manually called the posix one from Python and thing worked fine. *Then* I
actually tried the above code, and *it* worked fine.

However I *still* get problems with the post-review code. So it looks like
when I get back to work on Monday I'll be looking to see what the
difference in environment is there.

-Wayne