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Re: [PATCH v2] read-cache: write all indexes with the same permissions




Christian Couder <christian.couder@xxxxxxxxx> writes:

>> > +test_expect_success POSIXPERM 'same mode for index & split index' '
>> > +     git init same-mode &&
>> > +     (
>> > +             cd same-mode &&
>> > +             test_commit A &&
>> > +             test_modebits .git/index >index_mode &&
>> > +             test_must_fail git config core.sharedRepository &&
>> > +             git -c core.splitIndex=true status &&
>> > +             shared=$(ls .git/sharedindex.*) &&
>>
>> I think the command substitution and 'ls' are unnecessary, and
>>
>>   shared=.git/sharedindex.*
>>
>> would work as well.
>
> If there is no shared index file with the above we would get:
>
> shared=.git/sharedindex.*
> $ echo $shared
> .git/sharedindex.*
>
> which seems bug prone to me.

It is not bug *PRONE*, but is already wrong, as the way this
variable is used is

        +		case "$shared" in
        +		*" "*)
        +			# we have more than one???
        +			false ;;
        +		*)
        +			test_modebits "$shared" >split_index_mode &&
        +			test_cmp index_mode split_index_mode ;;
        +		esac

i.e. we'd think there is a singleton ".git/shared/index.*" and we
can feed it to test_modebits.

So what you wrote originally is corrrect.