Re: [bug] assertion in 2.8.4 triggering on old-ish worktree

[Dennis Kaarsemaker <dennis@kaarsemaker.net>]

On do, 2016-06-16 at 17:02 +1200, Chris Packham wrote:
> On Thu, Jun 16, 2016 at 4:59 PM, Chris Packham <judge.packham@gmail.c
> om> wrote:
> > 
> > Hi All,
> > 
> > I have the git-sh-prompt configured in my .bashrc today I visited
> > an
> > old worktree that I haven't really touched in a few years (sorry
> > can't
> > remember the git version I was using back then). I received the
> > following output when changing to the directory
> > 
> > git: pathspec.c:317: prefix_pathspec: Assertion `item-
> > >nowildcard_len
> > <= item->len && item->prefix <= item->len' failed.
> > 
> > I assume it's one of the git invocations in git-sh-prompt that's
> > hitting the assertion. Any thoughts on what might be triggering it?
> > Any debug I can gather?
> A bit more info. The directory in question is a uninitialised
> submodule. It doesn't trigger in the root of the parent project.

That very much smells like a class of bugs we've seen before, with git
getting confused around submodules. See also for example

https://www.mail-archive.com/git@vger.kernel.org/msg68447.html

I don't think an accepted fix exists yet.

D.