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Re: [Orgmode] Disable agenda file autoload?

From: Carsten Dominik
Subject: Re: [Orgmode] Disable agenda file autoload?
Date: Thu, 28 May 2009 11:31:33 +0200

You can try this:

Find the org.el file, and in it the definition of the function

(defun org-get-agenda-file-buffer

As the first ting after the documentation string, enter (debug), like this:

(defun org-get-agenda-file-buffer (file)
  "Get a buffer visiting FILE.  If the buffer needs to be created, add
it to the list of buffers which might be released later."
  (let ((buf (org-find-base-buffer-visiting file)))
    (if buf
        buf ; just return it
      ;; Make a new buffer and remember it
      (setq buf (find-file-noselect file))
      (if buf (push buf org-agenda-new-buffers))

Make sure there is no compiled version of org.el on the path.

Then run your first instance of Emacs. During startup, I would expect that Org Emacs will stop with a backtrace buffer. Show me that buffer, it will tell us which command loads agenda files....

- Carsten

On May 28, 2009, at 8:38 AM, Russell Adams wrote:

I just tried an example, here's what happens.

- Start first emacs session for Org, call agenda to build my agenda
- Change anything in any buffer that is in the agenda list
- Open another emacs
  - Because I don't have org set to require, it only loads on demand,
    no issues yet
- Open another .org file that is not on the agenda list, which
  triggers the load of org-mode
- I get a popup warning me that another emacs session has the agenda
  file locked

Notice I wasn't trying to build the agenda on opening the other file.

I'm inclined to believe that Org is autoloading all the agenda files
during initialization. If it didn't load the agenda files until the
agenda was called interactively, that'd fix the problem.

I may cause this again with another issue, I have a timed job that
rebuilds the agenda at midnight because I leave my sessions open for
days at a time. If that calls at the midnight boundary, it should
cause this problem. I may still have to use a separate config, or a
hook for agenda that I set the load list just prior to invoking

Carsten, if you'd like I can send you my .emacs file direct to verify
that isn't causing the problem.


On Thu, May 28, 2009 at 07:43:32AM +0200, Carsten Dominik wrote:

On May 28, 2009, at 7:34 AM, Russell Adams wrote:

I tend to run multiple emacs sessions and I've noticed that if I load Org (no I do not require it on each load), that I get lock contention
on agenda files.

Only one of these emacs instances is used for Org, I keep an Org
session up separate from my coding...

Is there a way that I can configure Org to not load the agenda files
until the first time the agenda is called?

Perhaps just by delaying setting the agenda file list until the agenda
is called by hook?

My only other option would be to use a separate config for the Org
window vs the others.

I welcome suggestions.

I believe the agenda files are only loaded for agenda
and related commands, i.e. commands that also need to access
the agenda files.  It is definitely not so that loading the Org
package will load the agenda files.  Or am I wrong here???
Maybe you are running org-agenda-to-appt or something like this?

- Carsten

Russell Adams                            address@hidden

PGP Key ID:     0x1160DCB3           http://www.adamsinfoserv.com/

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