Re: [PATCH v2] format-patch: make output filename configurable

> On Mon, Nov 09, 2020 at 11:23:48AM -0800, Junio C Hamano wrote:
>
>> @@ -1822,6 +1825,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
>>  	init_display_notes(&notes_opt);
>>  	git_config(git_format_config, NULL);
>>  	repo_init_revisions(the_repository, &rev, prefix);
>> +	rev.subject_prefix = fmt_patch_subject_prefix;
>>  	rev.show_notes = show_notes;
>>  	memcpy(&rev.notes_opt, &notes_opt, sizeof(notes_opt));
>>  	rev.commit_format = CMIT_FMT_EMAIL;
>> @@ -1831,7 +1835,6 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
>>  	rev.diff = 1;
>>  	rev.max_parents = 1;
>>  	rev.diffopt.flags.recursive = 1;
>> -	rev.subject_prefix = fmt_patch_subject_prefix;
>>  	memset(&s_r_opt, 0, sizeof(s_r_opt));
>>  	s_r_opt.def = "HEAD";
>>  	s_r_opt.revarg_opt = REVARG_COMMITTISH;
>
> It's not clear to me what these hunks are doing. I'm trying really hard
> to find some subtle reason that we need to init this field sooner, but I
> can't. It really looks like it might be leftover noise.