Bug: [patch] fix: ox-rss died when an entry had an empty date [ ( @ /home/arne/.guix-profile/share/emacs/site-lisp/)]

["Dr. Arne Babenhauserheide" <arne_bab@web.de>]

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------------------------------------------------------------------------

When creating an RSS feed, org-publish broke for me with

  signal(error ("Not an Org time string: "))
  error("Not an Org time string: %s" "")
  org-parse-time-string("")
  org-time-string-to-time("")
  (format-time-string "%a, %d %b %Y %H:%M:%S %z" (org-time-string-to-time pubdate0))
  (if pubdate0 (format-time-string "%a, %d %b %Y %H:%M:%S %z" (org-time-string-to-time pubdate0)))
  ;; …
  org-rss-headline((headline ... ...) #("<p>\nIch bin ei..." 4 395 ... 407 410 ... 492 530 ... 534 535 ... ...) (:export-options nil :back-end ... :translate-alist ... :exported-data #<hash-table eq 836/4001 0x20766a9> :input-buffer "rss-feed.org" :input-file "/home/arne/Sch..." :description "" ...))


Maybe relevant: I have date enabled in options.
#+OPTIONS: date:t

Best wishes,
Arne


From 17b6ba6f9adcd42e03ae2b606043719b2926641a Mon Sep 17 00:00:00 2001
From: Arne Babenhauserheide <arne_bab@web.de>
Subject: [PATCH] ox-rss: do not die on empty date

* contrib/lisp/ox-rss.el (org-rss-headline): check for empty string
---
 contrib/lisp/ox-rss.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/lisp/ox-rss.el b/contrib/lisp/ox-rss.el
index 299d22086..97a4bfc8f 100644
--- a/contrib/lisp/ox-rss.el
+++ b/contrib/lisp/ox-rss.el
@@ -245,7 +245,7 @@ communication channel."
 			(or (org-element-property :CATEGORY headline) "") info))
 	     (pubdate0 (org-element-property :PUBDATE headline))
 	     (pubdate (let ((system-time-locale "C"))
-			(if pubdate0
+			(if (and pubdate0 (not (string-empty-p pubdate0))
 			    (format-time-string
 			     "%a, %d %b %Y %H:%M:%S %z"
 			     (org-time-string-to-time pubdate0)))))
-- 
2.29.2



Emacs  : GNU Emacs 27.1 (build 1, x86_64-unknown-linux-gnu, GTK+ Version 3.24.23, cairo version 1.16.0)
Package: Org mode version  ( @ /home/arne/.guix-profile/share/emacs/site-lisp/)
-- 
Unpolitisch sein
heißt politisch sein
ohne es zu merken

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