Re: [PATCH 1/4] dir.c: fix match_pathname()

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On Tue, Feb 16, 2016 at 6:29 AM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> Nguyễn Thái Ngọc Duy  <pclouds@xxxxxxxxx> writes:
>
>> Given the pattern "1/2/3/4" and the path "1/2/3/4/f", the pattern
>> prefix is "1/2/3/4". We will compare and remove the prefix from both
>> pattern and path and come to this code
>>
>>       /*
>>        * If the whole pattern did not have a wildcard,
>>        * then our prefix match is all we need; we
>>        * do not need to call fnmatch at all.
>>        */
>>       if (!patternlen && !namelen)
>>               return 1;
>>
>> where patternlen is zero (full pattern consumed) and the remaining
>> path in "name" is "/f". We fail to realize it's matched in this case
>> and fall back to fnmatch(), which also fails to catch it. Fix it.
>
> OK.  And by checking *name against '/', we won't mistakenly say that
> "1/2/3/4f" matches the pattern.  Nicely explained.
>
> Can a pattern end with a '/'?

No. At this point, we must have stripped that trailing slash and
turned it to flag EXC_FLAG_MUSTBEDIR.
-- 
Duy
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