Re: [PATCH v4] gc: call "prune --expire 2.weeks.ago" by default

>> Yuck; approxidate() returns ulong.  Can subtracting a ulong from another
>> ever go negative?
>> 
>> Besides, because there is no guarantee of the order of evaluation between
>> these two approxidate() calls, you may get +1 or -1 on the second boundary.
>> 
>> I think the reason why you did not catch it in your test is because your
>> tests are half complete; they test only what you wanted to catch
>> (misconfigured case) and do not test the other half (properly working
>> case).
>
> Yes, probably.  Of course, comparing a difference to 0 is absolutely 
> moronic.
>
> I should have written
>
> 				approxidate(value) >= approxidate("now"))
>
> in the first place.