Re: [PATCH v5 1/2] rm: better error message on failure for multiple files

> When 'git rm' fails, it now displays a single message
> with the list of files involved, instead of displaying
> a list of messages with one file each.
>
> As an example, the old message:
> 	error: 'foo.txt' has changes staged in the index
> 	(use --cached to keep the file, or -f to force removal)
> 	error: 'bar.txt' has changes staged in the index
> 	(use --cached to keep the file, or -f to force removal)
>
> would now be displayed as:
> 	error: the following files have changes staged in the index:
> 	    foo.txt
> 	    bar.txt
> 	(use --cached to keep the file, or -f to force removal)
>
> Signed-off-by: Mathieu Lienard--Mayor <Mathieu.Lienard--Mayor@ensimag.imag.fr>
> Signed-off-by: Jorge Juan Garcia Garcia <Jorge-Juan.Garcia-Garcia@ensimag.imag.fr>
> Signed-off-by: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr>
> ---
>
> Changes since v4:
>  -removal of useless blanks after variable declarations
>  -use of string_list_clear