bug#71538: 29.3; project-find-file stopped working for files in git submodules

[Dmitry Gutov <dmitry@gutov.dev>]

Hi!

On 13/06/2024 17:55, Pär Bohrarper wrote:
> Since 
> https://github.com/emacs-mirror/emacs/commit/370b216f08699bdd85b910868642df441c06306c <https://github.com/emacs-mirror/emacs/commit/370b216f08699bdd85b910868642df441c06306c>
> project-find-file will produce a list where files located in a git
> submodule is listed relative to the submodule instead of relative to the
> project root. The problem happens when recursing into submodules if
> project--vc-merge-submodules-p is true.

Thanks for the report.

I managed to fix it locally by
> concating the module name to the file in the recursive call:
> 
>      (let ((sub-files-maybe-relative
>     (project--vc-list-files
>      (concat default-directory module)
>      backend
>      extra-ignores)))
>        (if project-files-relative-names
>    ;; If project--vc-list-files returns relative names, then concat the 
> submodule name
>    (mapcar (lambda (file) (concat (file-name-as-directory module) file)) 
> sub-files-maybe-relative)
>                           sub-files-maybe-relative))
> 
> I don't know if this is the correct approach though.

It's okay, I've pushed your patch to master with minor alterations in 
commit 2dae603c414. Thank you.

Do you install the newer versions of 'project' from ELPA or build Emacs 
from source?