Re: [PATCH 06/13] add: skip paths that are outside sparse-checkout cone

> On 8/27/2021 5:13 PM, Matheus Tavares wrote:
>> On Tue, Aug 24, 2021 at 6:54 PM Derrick Stolee via GitGitGadget <gitgitgadget@gmail.com> wrote:
>>>
>>> Subject: [PATCH 06/13] add: skip paths that are outside sparse-checkout cone
>>
>> Perhaps this could be "skip _tracked_ paths that ..." (to help
>> differentiate the end goal of this patch from the previous one).
>>
>>> diff --git a/pathspec.c b/pathspec.c
>>> index 44306fdaca2..0e6e60fdc5a 100644
>>> --- a/pathspec.c
>>> +++ b/pathspec.c
>>> @@ -39,7 +39,8 @@ void add_pathspec_matches_against_index(const struct pathspec *pathspec,
>>>                 return;
>>>         for (i = 0; i < istate->cache_nr; i++) {
>>>                 const struct cache_entry *ce = istate->cache[i];
>>> -               if (sw_action == PS_IGNORE_SKIP_WORKTREE && ce_skip_worktree(ce))
>>> +               if (sw_action == PS_IGNORE_SKIP_WORKTREE &&
>>> +                   (ce_skip_worktree(ce) || !path_in_sparse_checkout(ce->name, istate)))
>>
>> Hmm, even though we skip the sparse paths here, cmd_add() will call
>> add_files_to_cache() at the end and still update these paths in the
>> index. I think there are two ways to fix this. We could either change
>> run_diff_files() to skip these paths (but I don't know how other callers
>> of this functions want to handle this, so maybe this needs to hide
>> behind an option flag):
> 
> You are absolutely right to point this out. I had missed this interaction.
> But, this is also already broken. The patch below adds a check to show that
> 'git add' does not add the sparse_entry, but it does (even when applied
> before any patch in this series). That is: all the modified tests fail
> after this change. I'll work to fix this issue before the next version of
> this series.