Re: [PATCH] revision: add --except option

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Am 8/31/2013 21:27, schrieb Felipe Contreras:
> On Fri, Aug 30, 2013 at 2:56 AM, Johannes Sixt <j.sixt@xxxxxxxxxxxxx> wrote:
>> Am 8/30/2013 8:32, schrieb Junio C Hamano:
>>> If you have a history where
>>>
>>>  - branches "master" and "maint" point at commit A;
>>>  - branch "next" points at commit B that is a descendant of A; and
>>>  - there are tags X and Y pointing at commits that are ahead of B
>>>    or behind A
>>>
>>> i.e.
>>>
>>>       ----X----A----B----Y
>>>
>>> what are the desired semantics for these?
>>
>> I think the simplest were that --except trumps everything and means
>> "whatever else I say, do as if I did not mention the following".
> 
> Actually, my patch is almost there, I attach the necessary changed
> below to make everything work. I've added debug prints to show what
> it's actually doing:
> 
>>>  (1) --branches --except maint
>>
>> => master next
> 
> => master next
> 
>>>  (2) --all --not --branches --except maint
>>
>> => X Y --not master next
> 
> => ^master ^next X Y HEAD
> 
>>>  (3) ^master next --except maint
>>
>> => ^master next
> 
> => ^master next
> 
>> (4) Y next --except master next --not --branches
>>
>> this => Y --not maint
>> or this => Y --not maint master next
> 
> => Y
> 
> Remember that maint (or rather ^maint) is after --except.

Sure, but why is it not in the result? maint is not even mentioned under
--except. Confused...

Ah, are you treating the union of master, next, and --branches as --except
and ignore --not?

-- Hannes
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