Re: [PATCH 3/6] dir: fix confusion based on variable tense

>
> On Wed, Jan 29, 2020 at 10:03:40PM +0000, Elijah Newren via GitGitGadget wrote:
> > From: Elijah Newren <newren@gmail.com>
> >
> > Despite having contributed several fixes in this area, I have for months
> > (years?) assumed that the "exclude" variable was a directive; this
> > caused me to think of it as a different mode we operate in and left me
> > confused as I tried to build up a mental model around why we'd need such
> > a directive.  I mostly tried to ignore it while focusing on the pieces I
> > was trying to understand.
> >
> > Then I finally traced this variable all back to a call to is_excluded(),
> > meaning it was actually functioning as an adjective.  In particular, it
> > was a checked property ("Does this path match a rule in .gitignore?"),
> > rather than a mode passed in from the caller.  Change the variable name
> > to match the part of speech used by the function called to define it,
> > which will hopefully make these bits of code slightly clearer to the
> > next reader.
>
> Slightly related questions: Does 'excluded' always mean ignored?  Or
> is it possible for a file to be excluded but for some other reason
> than being ignored?
>
> I'm never really sure, and of course it doesn't help that we have both
> '.gitignore' and '.git/info/exclude' files and conditions like:
>
> > +             if (excluded &&
> > +                 (dir->flags & DIR_SHOW_IGNORED_TOO) &&
> > +                 (dir->flags & DIR_SHOW_IGNORED_TOO_MODE_MATCHING)) {
>