[debbugs-tracker] bug#15252: closed (dir-locals: superdir (or parentdir) support)

[GNU bug Tracking System]

Your message dated Fri, 15 Nov 2013 10:25:31 +0530
with message-id <address@hidden>
and subject line Re: bug#15252: dir-locals: superdir (or parentdir) support
has caused the debbugs.gnu.org bug report #15252,
regarding dir-locals: superdir (or parentdir) support
to be marked as done.

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-- 
15252: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15252
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> --- Begin Message ---
>
>
>
> Subject: 
>
> dir-locals: superdir (or parentdir) support
>
>
>
>
> Date: 
>
> Tue, 03 Sep 2013 09:09:15 +0530
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)
>
>
>
>
> Introductory word:
>
> I am having a private library that implements a unified search
> interface.  It will use `cscope' as search engine while visiting *.[ch]
> files and `rgrep' as search engine while visiting *.el files.  
>
> The search as it stands will be on the whole of search tree.
>
> It is "specified" in as .dir-locals.el as below.
>
>
> ~/src/emacs/trunk/.dir-locals.el:
>
>     ((c-mode
>       (search-dir . "~/src/emacs/trunk/")
>       (search-engine . cscope))
>      (emacs-lisp-mode
>       (search-dir . "~/src/emacs/trunk/lisp")
>       (search-engine . rgrep)))
>
> ----------------------------------------------------------------
>
> Problem:
>
>
> If I am visiting an Org file (say trunk/lisp/org/org.el), the recursive
> search *on whole lisp tree* happens just fine.
>
> But if I am visiting a Gnus file (say trunk/lisp/org/org.el), the
> recursive search fails.
>
>
> ----------------------------------------------------------------
>
> Diagnosis:
>
>
> The reason is this because Gnus has it's own .dir-locals.el for lisp
> files.
>
> ~/src/emacs/trunk/lisp/gnus/.dir-locals.el:
>
>     ((emacs-lisp-mode . ((show-trailing-whitespace . t))))
>
>
> ----------------------------------------------------------------
>
> What I need:
>
> So to realize my use case, I want that the "emacs-lisp-mode" settings
> from Gnus tree be merged with that specified from trunk.
>
> ----------------------------------------------------------------
>
> One possible way to achieve it:
>
>
> Introduce a `superdir' or a `parentdir' keyword, to traverse till the
> root.
>
> ~/src/emacs/trunk/lisp/gnus/.dir-locals.el:
>
>     ((emacs-lisp-mode . ((show-trailing-whitespace . t)
>                          (superdir . t) ; <=====================
>                          )))
>
>
> Compare `superdir' to the already existing `subdir'.  From 
>
> (info "(emacs) Directory Variables")
>
>     ((c-mode . ((c-file-style . "BSD")
>                 (subdirs . nil) ; <=====================
>                 )))
>
> ----------------------------------------------------------------
>
> Closing note:
>
> Particularly useful for "submodules" which are part of a "sumo" project.
>
>
>
>
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#15252: dir-locals: superdir (or parentdir) support
>
>
>
>
> Date: 
>
> Fri, 15 Nov 2013 10:25:31 +0530
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)
>
>
>
>
> OP here.  Closed.
>
>
> --- End Message ---