Re: [PATCH v2] status: long status advice adapted to recent capabilities

> Let me suggest an alternative commit message.  We want to lead with a
> "command" -- as in: "make Git do this" or "teach Git to do this".  Then
> explain why.  Maybe something like:
>
> [...]

> > @@ -1870,13 +1884,25 @@ static void wt_longstatus_print(struct wt_status *s)
> >   		wt_longstatus_print_other(s, &s->untracked, _("Untracked files"), "add");
> >   		if (s->show_ignored_mode)
> >   			wt_longstatus_print_other(s, &s->ignored, _("Ignored files"), "add -f");
> > -		if (advice_enabled(ADVICE_STATUS_U_OPTION) && 2000 < s->untracked_in_ms) {
> > -			status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
> > -			status_printf_ln(s, GIT_COLOR_NORMAL,
> > -					 _("It took %.2f seconds to enumerate untracked files. 'status -uno'\n"
> > -					   "may speed it up, but you have to be careful not to forget to add\n"
> > -					   "new files yourself (see 'git help status')."),
> > -					 s->untracked_in_ms / 1000.0);
> > +		if (uf_was_slow(s->untracked_in_ms)) {
> > +			if (advice_enabled(ADVICE_STATUS_U_OPTION)) {
> > +				status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
> > +				if (s->repo->settings.core_untracked_cache == UNTRACKED_CACHE_WRITE) {
> > +					status_printf_ln(s, GIT_COLOR_NORMAL,
> > +							_("It took %.2f seconds to enumerate untracked files,\n"
> > +							"but this is currently being cached, with fsmonitor %s."),
> > +							s->untracked_in_ms / 1000.0,
> > +							(fsm_mode > FSMONITOR_MODE_DISABLED) ? "ON" : "OFF");
> > +				} else {
> > +					status_printf_ln(s, GIT_COLOR_NORMAL,
> > +							_("It took %.2f seconds to enumerate untracked files."),
> > +							s->untracked_in_ms / 1000.0);
> > +				}
> > +				status_printf_ln(s, GIT_COLOR_NORMAL,
> > +						_("See https://git-scm.com/docs/git-status#_untracked_files_and_status_speed\n"
> > +						"for configuration options that may improve that time."));
> > +				status_printf_ln(s, GIT_COLOR_NORMAL, "%s", "");
> > +			}
>
> I'm not sure I like the various mixture of messages here.  Maybe
> it would be better with a single simple message:
>
>     _("It took %.2f seconds to enumerate untracked files.\n"
>       "See 'git help status' for information on how to improve this.")
>
> This keeps all of the information in the documentation rather
> than having part of it here in the code.
>
> Also, we should refer to the documentation via `git help` rather
> than as a link to the website.