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entry: refactor how we remove items for delayed checkouts

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When finalizing a delayed checkout, we sort out several strings from the
passed-in string list by first assigning the empty string to those
filters and then calling `string_list_remove_empty_items()`. Assigning
the empty string will cause compiler warnings though as the string is
a `char *` once we enable `-Wwrite-strings`.

Refactor the code to use a `NULL` pointer with `filter_string_list()`
instead to avoid this warning.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt 2024-06-07 08:38:20 +02:00 committed by Junio C Hamano
parent 394affd46d
commit b31607a3e0
1 changed files with 10 additions and 4 deletions
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14
entry.c
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@ -167,6 +167,11 @@ static int remove_available_paths(struct string_list_item *item, void *cb_data)
return !available;
}
static int string_is_not_null(struct string_list_item *item, void *data UNUSED)
{
return !!item->string;
}
int finish_delayed_checkout(struct checkout *state, int show_progress)
{
int errs = 0;
@ -189,7 +194,7 @@ int finish_delayed_checkout(struct checkout *state, int show_progress)
if (!async_query_available_blobs(filter->string, &available_paths)) {
/* Filter reported an error */
errs = 1;
filter->string = "";
filter->string = NULL;
continue;
}
if (available_paths.nr <= 0) {
@ -199,7 +204,7 @@ int finish_delayed_checkout(struct checkout *state, int show_progress)
* filter from the list (see
* "string_list_remove_empty_items" call below).
*/
filter->string = "";
filter->string = NULL;
continue;
}
@ -225,7 +230,7 @@ int finish_delayed_checkout(struct checkout *state, int show_progress)
* Do not ask the filter for available blobs,
* again, as the filter is likely buggy.
*/
filter->string = "";
filter->string = NULL;
continue;
}
ce = index_file_exists(state->istate, path->string,
@ -239,7 +244,8 @@ int finish_delayed_checkout(struct checkout *state, int show_progress)
errs = 1;
}
}
string_list_remove_empty_items(&dco->filters, 0);
filter_string_list(&dco->filters, 0, string_is_not_null, NULL);
}
stop_progress(&progress);
string_list_clear(&dco->filters, 0);