Re: [PATCH v2 1/2] checkout: pass program-readable token to unified "main"

> On Thu, Jan 29, 2026 at 11:06:15AM -0800, Junio C Hamano wrote:
>> diff --git a/builtin/checkout.c b/builtin/checkout.c
>> index f9453473fe..4f189fde48 100644
>> --- a/builtin/checkout.c
>> +++ b/builtin/checkout.c
> [snip]
>> +	switch (which_command) {
>> +	case CHECKOUT_CHECKOUT:
>> +		usagestr = checkout_usage;
>> +		break;
>> +	case CHECKOUT_SWITCH:
>> +		usagestr = switch_branch_usage;
>> +		break;
>> +	case CHECKOUT_RESTORE:
>> +		usagestr = restore_usage;
>> +		break;
>> +	default:
>> +		BUG("No such checkout variant %d", which_command);
>> +	}
>
> Tiniest nit, really not worth addressing on its own: BUG messages
> typically start with a lower-case letter.
>
> Other than that I like that we have less global constants with this
> change.