No i don't see any reasons why list_and_choose() shoud give a prompt
without candidates. Will resed patch.
Thank you.
2015-01-22 3:17 GMT+06:00 Junio C Hamano <gits...@pobox.com>:
> Junio C Hamano <gits...@pobox.com> writes:
>
>>> sub add_untracked_cmd {
>>> - my @add = list_and_choose({ PROMPT => 'Add untracked' },
>>> - list_untracked());
>>> - if (@add) {
>>> - system(qw(git update-index --add --), @add);
>>> - say_n_paths('added', @add);
>>> + if (system(qw(git ls-files --others --exclude-standard --))) {
>>
>> But this ls-files invocation that knows too much about how
>> list_untracked() computes things does not.
>>
>> Why not
>> ...
>> or something instead?
>
> Actually, is there any case where list_and_choose() should give a
> prompt to choose from zero candidates?
>
> In other words, I am wondering if this affects other callers of
> list_and_choose in any negative way.
>
> git-add--interactive.perl | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/git-add--interactive.perl b/git-add--interactive.perl
> index 94b988c..46ed9a7 100755
> --- a/git-add--interactive.perl
> +++ b/git-add--interactive.perl
> @@ -519,6 +519,10 @@ sub error_msg {
> sub list_and_choose {
> my ($opts, @stuff) = @_;
> my (@chosen, @return);
> +
> + if (!@stuff) {
> + return @return;
> + }
> my $i;
> my @prefixes = find_unique_prefixes(@stuff) unless $opts->{LIST_ONLY};
>
--
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