Re: [GSoC][PATCH v7 06/10] dir-iterator: add flags parameter to dir_iterator_begin

> @@ -44,6 +45,25 @@
>   * dir_iterator_advance() again.
>   */
>  
> +/*
> + * Flags for dir_iterator_begin:
> + *
> + * - DIR_ITERATOR_PEDANTIC: override dir-iterator's default behavior
> + *   in case of an error at dir_iterator_advance(), which is to keep
> + *   looking for a next valid entry. With this flag, resources are freed
> + *   and ITER_ERROR is returned immediately. In both cases, a meaningful
> + *   warning is emitted. Note: ENOENT errors are always ignored so that
> + *   the API users may remove files during iteration.
> + *
> + * - DIR_ITERATOR_FOLLOW_SYMLINKS: make dir-iterator follow symlinks.
> + *   i.e., linked directories' contents will be iterated over and
> + *   iter->base.st will contain information on the referred files,
> + *   not the symlinks themselves, which is the default behavior.
> + *   Recursive symlinks are skipped with a warning and broken symlinks
> + *   are ignored.
> + */
> +#define DIR_ITERATOR_PEDANTIC (1 << 0)
> +#define DIR_ITERATOR_FOLLOW_SYMLINKS (1 << 1)
> +
>  struct dir_iterator {
>  	/* The current path: */
>  	struct strbuf path;
> @@ -58,29 +78,38 @@ struct dir_iterator {