Re: [PATCH 2/2] add-patch: do not print hunks repeatedly

[Junio C Hamano <gitster@pobox.com>]

Rubén Justo <rjusto@gmail.com> writes:

> ... or an invalid option, i.e: "U"
> ...
>     (1/4) Stage this hunk [y,n,q,a,d,j,J,g,/,e,p,?]? U
> ...
>     ? - print help
>     @@ -1394,7 +1394,7 @@ N_("j - leave this hunk undecided, see next undecided hunk\n"
>      static int patch_update_file(struct add_p_state *s,
>      			     struct file_diff *file_diff)
>      {
>     -	size_t hunk_index = 0;
>     +	size_t hunk_index = 0, prev_hunk_index = -1;
>      	ssize_t i, undecided_previous, undecided_next;
>      	struct hunk *hunk;
>      	char ch;
>     (1/4) Stage this hunk [y,n,q,a,d,j,J,g,/,e,p,?]?
>
> Printing the chunk again followed by the question can be confusing as
> the user has to pay special attention to notice that the same chunk is
> being reconsidered.
>
> It can also be problematic if the chunk is longer than one screen height
> because the result of the previous iteration is lost off the screen (the
> help guide in the previous example).

Indeed.  The more important part of the message from the command in
these cases tells that the previous input was invalid and why.

Stopping after that without showing the hunk again does make sense.