Re: [PATCH v2 1/1] cat-file: add mailmap subcommand to --batch-command

> On Sun, Mar 29, 2026 at 01:58:08PM +0530, Siddharth Asthana wrote:
>> diff --git a/builtin/cat-file.c b/builtin/cat-file.c
>> index b6f12f41d6..a53926d2bb 100644
>> --- a/builtin/cat-file.c
>> +++ b/builtin/cat-file.c
>> @@ -692,6 +693,24 @@ static void parse_cmd_info(struct batch_options *opt,
>>  	batch_one_object(line, output, opt, data);
>>  }
>>  
>> +static void parse_cmd_mailmap(struct batch_options *opt UNUSED,
>> +			      const char *line,
>> +			      struct strbuf *output UNUSED,
>> +			      struct expand_data *data UNUSED)
>> +{
>> +	if (!strcmp(line, "yes")) {
>> +		if (!mailmap_loaded) {
>> +			read_mailmap(the_repository, &mailmap);
>> +			mailmap_loaded = 1;
>> +		}
>> +		use_mailmap = 1;
>> +	} else if (!strcmp(line, "no")) {
>> +		use_mailmap = 0;
>> +	} else {
>> +		die(_("mailmap: unknown argument '%s', expected 'yes' or 'no'"), line);
>> +	}
>> +}
>
> Not commenting on the overall chanegchange, but I guess we should use
> `git_parse_maybe_bool()` here?