Re: [PATCH v4 3/3] submodule: simplify decision tree whether to or not to fetch

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On 10/16, Heiko Voigt wrote:
> To make extending this logic later easier.

This makes things so much clearer, thanks!

> 
> Signed-off-by: Heiko Voigt <hvoigt@xxxxxxxxxx>
> ---
>  submodule.c | 74 ++++++++++++++++++++++++++++++-------------------------------
>  1 file changed, 37 insertions(+), 37 deletions(-)
> 
> diff --git a/submodule.c b/submodule.c
> index 71d1773e2e..82d206eb65 100644
> --- a/submodule.c
> +++ b/submodule.c
> @@ -1187,6 +1187,31 @@ struct submodule_parallel_fetch {
>  };
>  #define SPF_INIT {0, ARGV_ARRAY_INIT, NULL, NULL, 0, 0, 0, 0}
>  
> +static int get_fetch_recurse_config(const struct submodule *submodule,
> +				    struct submodule_parallel_fetch *spf)
> +{
> +	if (spf->command_line_option != RECURSE_SUBMODULES_DEFAULT)
> +		return spf->command_line_option;
> +
> +	if (submodule) {
> +		char *key;
> +		const char *value;
> +
> +		int fetch_recurse = submodule->fetch_recurse;
> +		key = xstrfmt("submodule.%s.fetchRecurseSubmodules", submodule->name);
> +		if (!repo_config_get_string_const(the_repository, key, &value)) {
> +			fetch_recurse = parse_fetch_recurse_submodules_arg(key, value);
> +		}
> +		free(key);
> +
> +		if (fetch_recurse != RECURSE_SUBMODULES_NONE)
> +			/* local config overrules everything except commandline */
> +			return fetch_recurse;
> +	}
> +
> +	return spf->default_option;
> +}
> +
>  static int get_next_submodule(struct child_process *cp,
>  			      struct strbuf *err, void *data, void **task_cb)
>  {
> @@ -1214,46 +1239,21 @@ static int get_next_submodule(struct child_process *cp,
>  			}
>  		}
>  
> -		default_argv = "yes";
> -		if (spf->command_line_option == RECURSE_SUBMODULES_DEFAULT) {
> -			int fetch_recurse = RECURSE_SUBMODULES_NONE;
> -
> -			if (submodule) {
> -				char *key;
> -				const char *value;
> -
> -				fetch_recurse = submodule->fetch_recurse;
> -				key = xstrfmt("submodule.%s.fetchRecurseSubmodules", submodule->name);
> -				if (!repo_config_get_string_const(the_repository, key, &value)) {
> -					fetch_recurse = parse_fetch_recurse_submodules_arg(key, value);
> -				}
> -				free(key);
> -			}
> -
> -			if (fetch_recurse != RECURSE_SUBMODULES_NONE) {
> -				if (fetch_recurse == RECURSE_SUBMODULES_OFF)
> -					continue;
> -				if (fetch_recurse == RECURSE_SUBMODULES_ON_DEMAND) {
> -					if (!unsorted_string_list_lookup(&changed_submodule_names,
> -									 submodule->name))
> -						continue;
> -					default_argv = "on-demand";
> -				}
> -			} else {
> -				if (spf->default_option == RECURSE_SUBMODULES_OFF)
> -					continue;
> -				if (spf->default_option == RECURSE_SUBMODULES_ON_DEMAND) {
> -					if (!unsorted_string_list_lookup(&changed_submodule_names,
> -									  submodule->name))
> -						continue;
> -					default_argv = "on-demand";
> -				}
> -			}
> -		} else if (spf->command_line_option == RECURSE_SUBMODULES_ON_DEMAND) {
> -			if (!unsorted_string_list_lookup(&changed_submodule_names,
> +		switch (get_fetch_recurse_config(submodule, spf))
> +		{
> +		default:
> +		case RECURSE_SUBMODULES_DEFAULT:
> +		case RECURSE_SUBMODULES_ON_DEMAND:
> +			if (!submodule || !unsorted_string_list_lookup(&changed_submodule_names,
>  							 submodule->name))
>  				continue;
>  			default_argv = "on-demand";
> +			break;
> +		case RECURSE_SUBMODULES_ON:
> +			default_argv = "yes";
> +			break;
> +		case RECURSE_SUBMODULES_OFF:
> +			continue;
>  		}
>  
>  		strbuf_addf(&submodule_path, "%s/%s", spf->work_tree, ce->name);
> -- 
> 2.14.1.145.gb3622a4
> 

-- 
Brandon Williams



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