[PATCH] log: fix log -f slow path to actually follow history

[Durham Goode]

On 12/5/14 3:19 PM, Durham Goode wrote:
>
> On 12/5/14, 2:56 PM, "Pierre-Yves David" <pierre-yves.david at ens-lyon.org>
> wrote:
>
>>
>> On 12/05/2014 02:54 PM, Durham Goode wrote:
>>> # HG changeset patch
>>> # User Durham Goode <durham at fb.com>
>>> # Date 1417818452 28800
>>> #      Fri Dec 05 14:27:32 2014 -0800
>>> # Node ID 96d916622019f448bd012884ee4fd78fe8dc63ba
>>> # Parent  406dfc63a1ad71213dccc1a45de99a3c5d5ac460
>>> log: fix log -f slow path to actually follow history
>>>
>>> log -f was using ':.' instead of '::.' so it wasn't actually following
>>> history.
>>> This fixes it and adds a test. It's been broken for years, so I guess
>>> it wasn't
>>> that big of a deal...
>> good catch.
>>
>> Does this open us to linkrev related bug when using it on a file?
> Good question.  I updated the test to check for that, and it doesn¹t seem
> to affect file log traversals when the linkrev commit is not an ancestor.
> I¹ll resend with the new test.
>
>
Actually, I lied.  It does affect it :(  My test was just wrong. Sigh.  
K I'll figure out a fix and resend.