Re: project.el: git submodules?

[Dmitry Gutov <dgutov@yandex.ru>]

Hi Kevin!

On 15.05.2020 10:40, Kévin Le Gouguec wrote:

> I've tried commit 779bc886:
> 
> ✓ within "nested" projects (e.g. when $HOME is under version control,
>    and visiting the Emacs repo under ~/src/emacs), project-find-file uses
>    the innermost project (~/src/emacs) as root,
> 
> ✓ at the root of a Git worktree (e.g. when ~/src/emacs-26.3 is a
>    worktree of ~/src/emacs, and visiting ~/src/emacs-26.3),
>    project-find-file uses the worktree (~/src/emacs-26.3) as root,
> 
>      ❌ in a subfolder of a Git worktree (e.g. in ~/src/emacs-26.3/src),
>        project-find-file signals:
> 
>> project-try-vc: Opening input file: No such file or directory, /home/$USER/src/emacs-26.3/src/.git
> 
> ✓ at the root of a Git submodule (e.g. when ~/projects/foo/bar is a
>    submodule of ~/projects/foo, and visiting ~/projects/foo/bar),
>    project-find-file uses the parent module (~/projects/foo) as root,
> 
>      ❌ in a subfolder of a Git submodule (e.g. in
>        ~/projects/foo/bar/baz), project-find-file signals:
> 
>> project-try-vc: Opening input file: No such file or directory, /home/$USER/projects/foo/bar/baz/.git

Thank you for exhaustive testing. The failing cases should be fixed now.

> I hope I got that right.  Thank you for working on this; I'd love for
> project-find-file to finally work in worktrees :)

I was not aware they didn't. :-( Apparently I've been using the old, 
"fake" version of worktrees.