On Fri, Jan 23, 2015 at 3:19 AM, Junio C Hamano <gits...@pobox.com> wrote:
> "Kirill A. Shutemov" <kirill.shute...@linux.intel.com> writes:
>
>> diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
>> index 8197ed29a9ec..a31f7e0430e1 100755
>> --- a/t/t3404-rebase-interactive.sh
>> +++ b/t/t3404-rebase-interactive.sh
>> @@ -1039,4 +1039,11 @@ test_expect_success 'short SHA-1 collide' '
>> )
>> '
>>
>> +test_expect_success 'respect core.abbrev' '
>> + git config core.abbrev 12 &&
>> + set_cat_todo_editor &&
>> + test_must_fail git rebase -i HEAD~4 >todo-list &&
>> + test 4 = $(grep -c "pick [0-9a-f]\{12,\}" todo-list)
>> +'
>
> Documentation/CodingGuidelines says
>
> - As to use of grep, stick to a subset of BRE (namely, no \{m,n\},
> [::], [==], or [..]) for portability.
>
> - We do not use \{m,n\};
>
> - We do not use -E;
>
> - We do not use ? or + (which are \{0,1\} and \{1,\}
> respectively in BRE) but that goes without saying as these
> are ERE elements not BRE (note that \? and \+ are not even part
> of BRE -- making them accessible from BRE is a GNU extension).
>
> but I see we have multiple hits from "git grep 'grep .*\\{'" (all in
> the t/ directory). I wonder
>
> - if everybody's system is now OK with \{m,n\} these days, or
>
> - there are people who are grateful that we stayed away from using
> \{m,n\} but they are not running the tests because their system
> is too exotic to pass other parts of the test suite.
Can we switch to using git-grep in the test suite and avoid these
platform issues? Or maybe switch to test-grep.c that is a wrapper of
compat regex to make sure the same feature set is used across
platforms.
--
Duy
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