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From: "Kévin Le Gouguec" <kevin.legouguec@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Setting org-todo-keywords through directory-local variables
Date: Wed, 20 May 2020 23:12:47 +0200	[thread overview]
Message-ID: <87mu62gvjk.fsf@gmail.com> (raw)


I'd like to set org-todo-keywords and org-todo-keyword-faces through
directory-local variables, to get rid of duplicate #+SEQ_TODO lines in
my Org files[1].

Right now I see two obstacles for this to work:

(1) org-set-regexps-and-options, which sets up a bunch of TODO-related
    machinery, insists on using (default-value 'org-todo-keywords),

(2) this function is called in the major mode function, which IIUC means
    that directory-local values have not been applied yet.

The first obstacle looks like it can be easily removed[2]; the second
obstacle looks more substantial.  It is trivially side-stepped by
sticking (hack-local-variables) at the top of org-mode; to my untrained
eye, it looks like TRT would rather be for Org to add
org-set-regexps-and-options to hack-local-variables-hook.

This sounds like a risky change though: I imagine that a lot of what
happens in the major mode function depends on what
org-set-regexps-and-options sets up, and would therefore need to be
moved to this hook as well.  Figuring which parts should be moved seems
like a non-trivial task that might introduce some regressions…

Can anyone confirm that this would (in principle) be the way forward, or
tell me if I am missing something[3]?

Thank you for your time.

[1] For example:

#+begin_src elisp
  . ((org-todo-keywords
      . ((sequence "REPORT" "REPORTED" "WAITING" "FIXED")
         (sequence "CANCELED")))
      . (("REPORT" . org-todo)
         ("REPORTED" . warning)
         ("WAITING" . warning)
         ("FIXED" . org-done)
         ("CANCELED" . shadow))))))

I'd like that so much that I went through the trouble of writing
safe-local-variable predicates for these variables:

#+begin_src elisp
(put 'org-todo-keywords
     (lambda (x)
        (lambda (seq)
          (and (memq (car seq) '(sequence type))
               (cl-every (lambda (i) (stringp i)) (cdr seq))))

(put 'org-todo-keyword-faces
     (lambda (x)
        (lambda (pair)
          (pcase pair
            (`(,keyword . ,face)
             (and (stringp keyword)
                  (or (facep face) (listp face))))))

[2] I tried to go through org.el's history, but I could not find a
rationale for using default-value.

[3] Alternatively, maybe the answer is as simple as "Org documents
should be self-sufficient; keywords should be explicitly set in
#+SEQ_TODO lines"; that wouldn't sound right though, since
org-todo-keywords is customizable.

             reply	other threads:[~2020-05-20 21:15 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-20 21:12 Kévin Le Gouguec [this message]
2020-05-21 23:12 ` Kévin Le Gouguec
2020-05-22 15:11   ` Nicolas Goaziou
2020-05-23 12:58     ` Kévin Le Gouguec
2020-06-24 17:54       ` Kévin Le Gouguec
2020-09-05 15:39         ` Bastien
2020-05-22  8:42 ` Nicolas Goaziou

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