Re: [PATCH v2 1/2] sparse checkout: show error messages when worktree shaping fails

> diff --git a/unpack-trees.c b/unpack-trees.c
> index cc616c3..fcf40a0 100644
> --- a/unpack-trees.c
> +++ b/unpack-trees.c
> @@ -1089,6 +1089,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
>   		 */
>   		mark_new_skip_worktree(o->el,&o->result, CE_ADDED, CE_SKIP_WORKTREE | CE_NEW_SKIP_WORKTREE);
>
> +		ret = 0;
>   		for (i = 0; i<  o->result.cache_nr; i++) {
>   			struct cache_entry *ce = o->result.cache[i];
>
> @@ -1101,17 +1102,23 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
>   			 * correct CE_NEW_SKIP_WORKTREE
>   			 */
>   			if (ce->ce_flags&  CE_ADDED&&
> -			    verify_absent(ce, ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN, o))
> -					return -1;
> +			    verify_absent(ce, ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN, o)) {
> +				if (!o->show_all_errors)
> +					goto return_failed;
> +				ret = -1;
> +			}
>
>   			if (apply_sparse_checkout(ce, o)) {
> +				if (!o->show_all_errors)
> +					goto return_failed;
>   				ret = -1;
> -				goto done;
>   			}
>   			if (!ce_skip_worktree(ce))
>   				empty_worktree = 0;
>
>   		}
> +		if (ret<  0)
> +			goto return_failed;
>   		if (o->result.cache_nr&&  empty_worktree) {
>   			/* dubious---why should this fail??? */
>   			ret = unpack_failed(o, "Sparse checkout leaves no entry on working directory");