Re: [PATCH 1/2] push: make non-fast-forward help message configurable

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

Jeff King <peff@peff.net> writes:

> diff --git a/advice.c b/advice.c
> new file mode 100644
> index 0000000..b5216a2
> --- /dev/null
> +++ b/advice.c
> @@ -0,0 +1,25 @@
> +#include "cache.h"
> +
> +int advice_push_nonfastforward = 1;
> +
> +static struct {
> +	const char *name;
> +	int *preference;
> +} advice_config[] = {
> +	{ "pushnonfastforward", &advice_push_nonfastforward },
> +};

Can we have the value inside this struct, instead of having a pointer
to another variable, and get rid of that variable altogether?

> diff --git a/builtin-push.c b/builtin-push.c
> index 787011f..6eda372 100644
> --- a/builtin-push.c
> +++ b/builtin-push.c
> @@ -157,7 +157,7 @@ static int do_push(const char *repo, int flags)
>  			continue;
>  
>  		error("failed to push some refs to '%s'", url[i]);
> -		if (nonfastforward) {
> +		if (nonfastforward && advice_push_nonfastforward) {

If we did so, this part needs to become

	if (nonfastforward && check_advice("pushnonfastforward")) {

which would be less efficient, but by definition advices are on the slow
path, right?

And check_advice() implementation can find programming errors by barfing
when the given string token does not exist in the table.