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Disallow S-exp in capture templates 

* lisp/org-capture.el (org-capture-expand-file): Disallow S-exp.
(org-capture-templates):
* doc/org.texi (Template elements): Update documentation.

A function is equivalent to using S-exp, without tainting code with an
yet another call to `eval'.
This commit is contained in:
Nicolas Goaziou 2016-11-04 17:41:27 +01:00
parent c81f9fff3b
commit f5645675a3
3 changed files with 22 additions and 10 deletions
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4
doc/org.texi
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@ -7159,8 +7159,8 @@ files, targets usually define a node. Entries will become children of this
node. Other types will be added to the table or list in the body of this
node. Most target specifications contain a file name. If that file name is
the empty string, it defaults to @code{org-default-notes-file}. A file can
also be given as a variable, function, or Emacs Lisp form. When an absolute
path is not specified for a target, it is taken as relative to
also be given as a variable or as a function called with no argument. When
an absolute path is not specified for a target, it is taken as relative to
@code{org-directory}.
Valid values are:

15
etc/ORG-NEWS
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@ -8,6 +8,21 @@ See the end of the file for license conditions.
Please send Org bug reports to mailto:emacs-orgmode@gnu.org.
* Version 9.1
** Incompatible changes
*** ~org-capture-templates~ no longer accepts S-expressions as file names
Since functions are allowed there, a straightforward way to migrate
is to turn, e.g.,
: (file (sexp))
into
: (file (lambda () (sexp)))
* Version 9.0
** Incompatible changes

13
lisp/org-capture.el
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@ -124,8 +124,8 @@ target Specification of where the captured item should be placed.
Most target specifications contain a file name. If that file
name is the empty string, it defaults to `org-default-notes-file'.
A file can also be given as a variable, function, or Emacs Lisp
form. When an absolute path is not specified for a
A file can also be given as a variable or as a function called
with no argument. When an absolute path is not specified for a
target, it is taken as relative to `org-directory'.
Valid values are:
@ -1008,16 +1008,13 @@ Store them in the capture property list."
(defun org-capture-expand-file (file)
"Expand functions and symbols for FILE.
When FILE is a function, call it. When it is a form, evaluate
it. When it is a variable, retrieve the value. When it is
a string, return it. However, if it is the empty string, return
`org-default-notes-file' instead."
When FILE is a function, call it. When it is a variable,
retrieve its value. When it is the empty string, return
`org-default-notes-file'. In any other case, return FILE as-is."
(cond
((equal file "") org-default-notes-file)
((org-string-nw-p file) file)
((functionp file) (funcall file))
((and (symbolp file) (boundp file)) (symbol-value file))
((consp file) (eval file))
(t file)))
(defun org-capture-target-buffer (file)