Re: Bug and possible fix / work-around using org-mobile with group tags

[Nicolas Goaziou <mail@nicolasgoaziou.fr>]

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Hello,

John Hutchinson <johnrhutchinson@att.net> writes:

>    - Running org-mobile-push with group tags defined in init.el file using :startgrouptag etc. results in an error, and (in my case) DropBox not being updated. Here's the log from the *Messages* buffer:   Creating agendas...
> Agenda written to Org file /cygdrive/c/Users/IBM_ADMIN/Dropbox/Apps/MobileOrg/agendas.org
> Creating agendas...done
> Saving all Org-mode buffers...
> (No files need saving)
> Saving all Org-mode buffers... done
> Copying files...
> Writing index file...
> org-mobile-create-index-file: Wrong type argument: sequencep, :startgrouptag
> Quit
>  [2 times]
>
>    - Commenting out the group tags attributes in init.el results in Org Mobile successfully generating and pushing to DropBox.
>    - Turning group tags off with org-toggle-tags-groups and running org-mobile-push causes the error.
>    - Using Org from org-plus-contrib-20160208, the problem seems to be the :startgroup and :endgroup on lines 460 and 461 of org-mobile.el; patching them to :startgrouptag and :endgrouptag respectively appears to correct the issue (though I've not done in-depth testing for any other unintended side effects this patch may have).
>    - Also, changing the group attributes in my init.el from :startgrouptag :endgrouptag to :startgroup and :endgroup respectively corrects the issue, although the Org manual indicates that the longer form is correct.    
>
>    - As an aside, I note there are several instances of plain :startgroup intermingled with :startgrouptag in the org sources:   org-plus-contrib-20160208 $ grep -n startgroup *.el
> org.el:3492:		 (const :startgroup)
> org.el:3495:		 (const :startgrouptag)
> org.el:3523:	   (const :tag "Start radio group" (:startgroup))
> org.el:5063:				   (append '((:startgroup))
> org.el:5233:		      (:startgroup "{")
> org.el:5235:		      (:startgrouptag "[")
> org.el:5252:	  (push '(:startgroup) org-tag-alist)
> org.el:5258:	  (push '(:startgrouptag) org-tag-alist)
> org.el:5322:      (if (or (memq (car e) '(:newline :grouptags :endgroup :startgroup))
> org.el:13093:	   ((equal e '(:startgroup))
> org.el:15232:	 ((eq (car e) :startgroup)
> org.el:15241:	 ((eq (car e) :startgrouptag)
> org-interactive-query.el:92:	 ((equal e '(:startgroup))
> org-interactive-query.el:268:     ;; if this is not a keyword (:startgroup, etc), ignore it
> org-mobile.el:460:			      ((eq (car x) :startgroup) "{")
> org-pcomplete.el:245:		  ((eq :startgroup (car x)) "{")
> ox-beamer.el:1128:	  (append '((:startgroup))
>
> Regards,=John
> P.S. First time writing to this list; apologies in advance for
> breaches of etiquette.

Thank you for the report.

This is probably related to the recent introduction of Tag hierarchy.
Would the following patch solve the problem?


Regards,

-- 
Nicolas Goaziou

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From 519d69a057b49b2f3996209145aef5b41fcfe091 Mon Sep 17 00:00:00 2001
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Date: Sun, 21 Feb 2016 16:28:15 +0100
Subject: [PATCH] org-mobile: Fix Wrong type argument: sequencep,
 :startgrouptag

* lisp/org-mobile.el (org-mobile-create-index-file): Handle group tags.

Reported-by: John Hutchinson <johnrhutchinson@att.net>
<http://permalink.gmane.org/gmane.emacs.orgmode/105033>
---
 lisp/org-mobile.el | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/lisp/org-mobile.el b/lisp/org-mobile.el
index e6709e4..84e90fd 100644
--- a/lisp/org-mobile.el
+++ b/lisp/org-mobile.el
@@ -455,13 +455,16 @@ agenda view showing the flagged items."
 		(mapconcat 'identity done-kwds " ") "\n"))
       (setq def-tags (mapcar
 		      (lambda (x)
-			(cond ((null x) nil)
-			      ((stringp x) x)
-			      ((eq (car x) :startgroup) "{")
-			      ((eq (car x) :endgroup) "}")
-			      ((eq (car x) :grouptags) nil)
-			      ((eq (car x) :newline) nil)
-			      ((listp x) (car x))))
+			(lambda (tag)
+			  (cl-case (car tag)
+			    ((nil) nil)
+			    (:startgroup "{")
+			    (:endgroup "}")
+			    (:startgrouptag "[")
+			    (:endgrouptag "]")
+			    (:grouptags ":")
+			    (:newline nil)
+			    (t (car tag)))))
 		      def-tags))
       (setq def-tags (delq nil def-tags))
       (setq tags (org-delete-all def-tags tags))
-- 
2.7.1