Duy Nguyen <pclouds@xxxxxxxxx> writes:
> On Wed, Aug 24, 2016 at 11:35 PM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
>> Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx> writes:
>>
>>> It's not wonderful, but it's in line with how git-checkout stops caring
>>> about ambiguity after the first argument can be resolved as a ref
>>> (there's even a test for it, t2010.6).
>>
>> But that is justifiable because checkout can only ever take one
>> revision. What follows, if there are any, must be paths, and more
>> importantly, it would be perfectly reasonable if some of them were
>> missing in the working tree ("ow, I accidentally removed that file,
>> I need to resurrect it from the index"). Does the same justification
>> apply to this change?
>
> I think there is a misunderstanding. My "after" is in "after the first
> argument can be resolved, check if it exists in worktree too, if so
> it's ambiguous and bail". This is usually how we detect ambiguation.
> But git-checkout does not do the "check if it exists..." clause.
Hmph. The "case 4" in the function you touched says
* case 4: git checkout <something> <paths>
*
* The first argument must not be ambiguous.
* - If it's *only* a reference, treat it like case (1).
* - If it's only a path, treat it like case (2).
* - else: fail.
Did we break it recently?
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