Re: [PATCH v5] submodule: port subcommand 'set-url' from shell to C

[Denton Liu <liu.denton@gmail.com>]

Hi Shourya,

It looks good to me except for one tiny nit:

On Fri, May 08, 2020 at 11:51:36AM +0530, Shourya Shukla wrote:
> Convert submodule subcommand 'set-url' to a builtin. Port 'set-url' to
> 'submodule--helper.c' and call the latter via 'git-submodule.sh'.
> 
> Signed-off-by: Shourya Shukla <shouryashukla.oo@gmail.com>
> ---
>  builtin/submodule--helper.c | 37 +++++++++++++++++++++++++++++++++++++
>  git-submodule.sh            | 22 +---------------------
>  2 files changed, 38 insertions(+), 21 deletions(-)
> 
> diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
> index 1a4b391c88..8bc7b4cfa6 100644
> --- a/builtin/submodule--helper.c
> +++ b/builtin/submodule--helper.c
> @@ -2246,6 +2246,42 @@ static int module_config(int argc, const char **argv, const char *prefix)
>  	usage_with_options(git_submodule_helper_usage, module_config_options);
>  }
>  
> +static int module_set_url(int argc, const char **argv, const char *prefix)
> +{
> +	int quiet = 0;
> +	const char *newurl;
> +	const char *path;
> +	char* config_name;

The asterisk should be stuck with the name, not the type, similar to how
you wrote it above.

> +
> +	struct option options[] = {
> +		OPT__QUIET(&quiet, N_("Suppress output for setting url of a submodule")),
> +		OPT_END()
> +	};
> +	const char *const usage[] = {
> +		N_("git submodule--helper set-url [--quiet] <path> <newurl>"),
> +		NULL
> +	};
> +
> +	argc = parse_options(argc, argv, prefix, options, usage, 0);
> +
> +	path = argv[0];
> +	newurl = argv[1];
> +
> +	if (argc != 2 || !path || !newurl) {
> +		usage_with_options(usage, options);
> +		return 1;
> +	}
> +
> +	config_name = xstrfmt("submodule.%s.url", path);
> +
> +	config_set_in_gitmodules_file_gently(config_name, newurl);
> +	sync_submodule(path, prefix, quiet ? OPT_QUIET : 0);
> +
> +	free(config_name);
> +
> +	return 0;
> +}
> +
>  #define SUPPORT_SUPER_PREFIX (1<<0)
>  
>  struct cmd_struct {