Re: [PATCH 4/9] read_early_config(): optionally return the worktree's top-level directory

> On 06/08, Johannes Schindelin wrote:
> > 
> > On Thu, 8 Jun 2017, Brandon Williams wrote:
> > 
> > > On 06/08, Johannes Schindelin wrote:
> > > 
> > > > Back to the worktree_dir variable.
> > > > 
> > > > I think part of the confusion here is that it may be left alone even
> > > > when there is a worktree. For example, if we are already in the
> > > > top-level directory. Or if the worktree somehow points to a different
> > > > directory than the one containing the .git/ directory.
> > > > 
> > > > Therefore, I renamed this variable to `cdup_dir` to reflect the fact
> > > > that it is only touched if Git determines that it is in a subdirectory
> > > > of the directory containing the .git/ directory.
> > > 
> > > Ok, maybe I'm just not following but just from reading the variable name
> > > I can't really understand what 'cdup_dir' means.
> > 
> > My idea would be that this is in line with the
> > 
> > 	git rev-parse --show-cdup
> > 
> > incantation.
> 
> Ah ok, 'cdup' just doesn't really mean much to me.  Is it supposed to
> stand for something?