Subject: Re: [PATCH] fetch: return when parsing submodule.recurse

From: Junio C Hamano <[email-masked]>
Date: Fri, 05 Apr 2024 09:53:43 -0700

"Derrick Stolee via GitGitGadget" <[email-masked]> writes:

> From: Derrick Stolee <[email-masked]>
>
> When parsing config keys, the normal pattern is to return 0 after
> completing the logic for a specific config key, since no other key will
> match. One instance, for "submodule.recurse", was missing this case in
> builtin/fetch.c.
>
> This is a very minor change, and will have minimal impact to
> performance.

True, and the performance impact should be positive, if it is
observable.

Well spotted.  Thanks.

> This particular block was edited recently in 56e8bb4fb4
> (fetch: use `fetch_config` to store "fetch.recurseSubmodules" value,
> 2023-05-17), which led to some hesitation that perhaps this omission was
> on purpose.
>
> However, no later cases within git_fetch_config() will match the key if
> equal to "submodule.recurse" and neither will any key matches within the
> catch-all git_default_config().
>
> Signed-off-by: Derrick Stolee <[email-masked]>
> ---
>     fetch: return when parsing submodule.recurse
>     
>     This is a super-nit that I noticed when looking into this config setting
>     and couldn't help but try to fix.
>
> Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-1709%2Fderrickstolee%2Ffetch-config-parse-v1
> Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-1709/derrickstolee/fetch-config-parse-v1
> Pull-Request: https://github.com/gitgitgadget/git/pull/1709
>
>  builtin/fetch.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/builtin/fetch.c b/builtin/fetch.c
> index 46a793411a4..5857d860dbf 100644
> --- a/builtin/fetch.c
> +++ b/builtin/fetch.c
> @@ -138,6 +138,7 @@ static int git_fetch_config(const char *k, const char *v,
>  		int r = git_config_bool(k, v) ?
>  			RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF;
>  		fetch_config->recurse_submodules = r;
> +		return 0;
>  	}
>  
>  	if (!strcmp(k, "submodule.fetchjobs")) {
>
> base-commit: 7774cfed6261ce2900c84e55906da708c711d601