branch: externals/org
commit bc52c4d9ab886c722b6fa0ca7f02823bf916aec4
Author: Ihor Radchenko <yanta...@gmail.com>
Commit: Ihor Radchenko <yanta...@gmail.com>
Fix compatibility for older Emacs versions
* lisp/org-compat.el (org-length>, org-file-name-concat): Add backward
compatibility for `length>' and `org-file-name-concat'.
---
lisp/org-compat.el | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/lisp/org-compat.el b/lisp/org-compat.el
index 6ac0b62..0950ff7 100644
--- a/lisp/org-compat.el
+++ b/lisp/org-compat.el
@@ -74,6 +74,33 @@
;;; Emacs < 28.1 compatibility
+(if (fboundp 'length>)
+ (defalias 'org-length> #'length>)
+ (defun org-length> (sequence length)
+ "Return non-nil if SEQUENCE is longer than LENGTH."
+ (> (length sequence) length)))
+
+(if (fboundp 'file-name-concat)
+ (defalias 'org-file-name-concat #'file-name-concat)
+ (defun org-file-name-concat (directory &rest components)
+ "Append COMPONENTS to DIRECTORY and return the resulting string.
+
+Elements in COMPONENTS must be a string or nil.
+DIRECTORY or the non-final elements in COMPONENTS may or may not end
+with a slash -- if they don't end with a slash, a slash will be
+inserted before contatenating."
+ (save-match-data
+ (mapconcat
+ #'identity
+ (delq nil
+ (mapcar
+ (lambda (str)
+ (when (and str (not (string-empty-p str))
+ (string-match "\\(.+\\)/?" str))
+ (match-string 1 str)))
+ (cons directory components)))
+ "/"))))
+
(if (fboundp 'directory-empty-p)
(defalias 'org-directory-empty-p #'directory-empty-p)
(defun org-directory-empty-p (dir)
