On Thu, Jun 7, 2018 at 9:41 AM, Elijah Newren <new...@gmail.com> wrote:
> Subject line: unpack-trees rather than unpack-tress.
>
>
>
> On Wed, Jun 6, 2018 at 9:49 AM, Nguyễn Thái Ngọc Duy <pclo...@gmail.com> 
> wrote:
>> Prior to fba92be8f7, this code implicitly (and incorrectly) assumes
>> the_index when running the exclude machinery. fba92be8f7 helps show
>> this problem clearer because unpack-trees operation is supposed to
>> work on whatever index the caller specifies... not specifically
>> the_index.
>>
>> Update the code to use "istate" argument that's originally from
>> mark_new_skip_worktree(). From the call sites, both in unpack_trees(),
>> you can see that this function works on two separate indexes:
>> o->src_index and o->result. The second mark_new_skip_worktree() so far
>> has incorecctly applied exclude rules on o->src_index instead of
>> o->result. It's unclear what is the consequences of this, but it's
>> definitely wrong.
>>
>> [1] fba92be8f7 (dir: convert is_excluded_from_list to take an index -
>>     2017-05-05)
>>
>> Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
>
> A somewhat curious finding: when I was rebuilding and re-testing all
> 23 patches, I got a failure on this patch in test 31 of
> t7063-status-untracked-cache.sh. I did not get any test failures with
> any of the other patches.  However, after re-running that test or the
> whole suite half a dozen times with just up to this patch applied, I
> was not able to trigger the failure again.  Is there a rare race in
> that testcase?

Untracked cache tests are very time-sensitive. I'll try to run and
re-run them a couple times to understand more. Thanks for pointing it
out.
-- 
Duy

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