Re: [PATCH] receive-pack: purge temporary data if no command is ready to run

[Junio C Hamano <gitster@pobox.com>]

> +	/*
> +	 * If there is no command ready to run, should return directly to destroy
> +	 * temporary data in the quarantine area.
> +	 */
> +	for (cmd = commands; cmd && cmd->error_string; cmd = cmd->next);

Write the empty body of the loop like this:

	for (...)
		; /* nothing */

to make it stand out.

> +	if (!cmd)
> +		return;
> +

> -mk_empty () {
> +mk_empty() {
>  	repo_name="$1"
>  	rm -fr "$repo_name" &&
> -	mkdir "$repo_name" &&
> -	(
> -		cd "$repo_name" &&
> -		git init &&
> -		git config receive.denyCurrentBranch warn &&
> -		mv .git/hooks .git/hooks-disabled
> -	)
> +		mkdir "$repo_name" &&
> +		(
> +			cd "$repo_name" &&
> +				git init &&
> +				git config receive.denyCurrentBranch warn &&
> +				mv .git/hooks .git/hooks-disabled
> +		)
>  }

Documentation/CodingGuidelines.  As far as I can tell, the above
does not change anything the function does, and the only change in
the patch is to violate the style guide badly.  Why?