Re: Export ascii-images using ditaa when targeting HTML?

From: "Eric Schulte" <schulte.eric@gmail.com>
To: Sebastian Rose <sebastian_rose@gmx.de>
Cc: emacs-orgmode@gnu.org
Subject: Re: Export ascii-images using ditaa when targeting HTML?
Date: Wed, 12 Nov 2008 12:47:38 -0800	[thread overview]
Message-ID: <87ej1geknp.fsf@gmail.com> (raw)
In-Reply-To: <87myg44rfk.fsf@kassiopeya.MSHEIMNETZ> (Sebastian Rose's message of "Wed, 12 Nov 2008 21:31:27 +0100")

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Sebastian Rose <sebastian_rose@gmx.de> writes:

> Hi Eric,
>
>
> sorry for being unclear. I use the -o option. The image is always
> created correctly. But it seems that the exporter
> (org-publish-attachment) refuses to overwrite existing files.
>

Hi Sebastian,

I see now.  It looks like org-publish-attachment uses the `copy-file'
function to copy files to the publish directory.  We just need to set an
option argument to copy-file to tell it how to deal with overwriting.

,----[from copy-file documentation]
| The optional third argument OK-IF-ALREADY-EXISTS specifies what to do
| if file NEWNAME already exists.  If OK-IF-ALREADY-EXISTS is nil, we
| signal a `file-already-exists' error without overwriting.  If
| OK-IF-ALREADY-EXISTS is a number, we request confirmation from the user
| about overwriting; this is what happens in interactive use with M-x.
| Any other value for OK-IF-ALREADY-EXISTS means to overwrite the
| existing file.
`----

This file is currently set to nil, we should probably set it to t so it
always overwrites files.  Does that sound like the best option?

The attached minimal patch set this option to t.

Best -- Eric


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diff --git a/lisp/org-publish.el b/lisp/org-publish.el
index aa8c495..bbd9180 100644
--- a/lisp/org-publish.el
+++ b/lisp/org-publish.el
@@ -537,7 +537,7 @@ See `org-publish-org-to' to the list of arguments."
   ;; make sure eshell/cp code is loaded
   (unless (file-directory-p pub-dir)
     (make-directory pub-dir t))
-  (copy-file filename pub-dir))
+  (copy-file filename pub-dir t))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;; Publishing files, sets of files, and indices

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