Re: [PATCH v4 16/16] refs.c: reindent get_submodule_ref_store()

[Michael Haggerty <mhagger@alum.mit.edu>]

On 08/23/2017 02:37 PM, Nguyễn Thái Ngọc Duy wrote:
> With the new "if (!submodule) return NULL;" code added in the previous
> commit, we don't need to check if submodule is not NULL anymore.
> 
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
> ---
>  refs.c | 12 +++++-------
>  1 file changed, 5 insertions(+), 7 deletions(-)
> 
> diff --git a/refs.c b/refs.c
> index a0c5078901..206af61d62 100644
> --- a/refs.c
> +++ b/refs.c
> @@ -1590,13 +1590,11 @@ struct ref_store *get_submodule_ref_store(const char *submodule)
>  	if (!submodule)
>  		return NULL;
>  
> -	if (submodule) {
> -		len = strlen(submodule);
> -		while (len && is_dir_sep(submodule[len - 1]))
> -			len--;
> -		if (!len)
> -			return NULL;
> -	}
> +	len = strlen(submodule);
> +	while (len && is_dir_sep(submodule[len - 1]))
> +		len--;
> +	if (!len)
> +		return NULL;
>  
>  	if (submodule[len])
>  		/* We need to strip off one or more trailing slashes */
> 

Now I'm confused. Is it still allowed to call
`get_submodule_ref_store(NULL)`? If not, then the previous commit should
probably do

	if (!submdule)
		BUG(...);

Either way, it seems like it would be natural to combine this commit
with the previous one.

Michael