Re: [PATCH] log: if --decorate is not given, default to --decorate=auto

>>  test_expect_success 'log.decorate configuration' '
>> -	git log --oneline >expect.none &&
>> +	git log --oneline --no-decorate >expect.none &&
>>  	git log --oneline --decorate >expect.short &&
>>  	git log --oneline --decorate=full >expect.full &&
>
> This ensures that an explicit --no-decorate from the command line
> does give "none" output, which we failed to do so far, and is a good
> change.  Don't we also need a _new_ test to ensure that "auto" kicks
> in without any explicit request?  Knowing the implementation that
> pager-in-use triggers the "auto" behaviour, perhaps testing the
> output from "git -p log" would be sufficient?

>  
> +static int auto_decoration_style()
> +{
> +	return (isatty(1) || pager_in_use()) ? DECORATE_SHORT_REFS : 0;
> +}