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Fix: Define own get-tags function for compatibility

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In Org <9.2, both org-get-tags and org-get-tags-at are functions, and
we must not clobber org-get-tags.  In Org 9.2+, org-get-tags replaces
org-get-tags-at, but org-get-tags-at remains defined as an obsolete
alias.

Thanks to Chris Rayner (@riscy).
This commit is contained in:
Adam Porter 2019-07-18 01:20:25 -05:00
parent 25f964dfcb
commit c31f873625
1 changed files with 8 additions and 4 deletions
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12
org-ql.el
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@ -43,9 +43,13 @@
;;;; Compatibility
(when (version< org-version "9.2")
(defalias 'org-get-tags #'org-get-tags-at)
(defalias 'org-timestamp-to-time #'org-timestamp--to-internal-time))
(if (version< org-version "9.2")
(progn
(defalias 'org-timestamp-to-time #'org-timestamp--to-internal-time)
(defun org-ql--get-tags (&optional pos local)
(org-get-tags-at pos local)))
(defun org-ql--get-tags (&optional pos local)
(org-get-tags pos local)))
;;;; Variables
@ -477,7 +481,7 @@ With KEYWORDS, return non-nil if its keyword is one of KEYWORDS (a list of strin
"Return non-nil if current heading has one or more of TAGS (a list of strings)."
;; TODO: Try to use `org-make-tags-matcher' to improve performance. It would be nice to not have
;; to run `org-get-tags' for every heading, especially with inheritance.
(when-let ((tags-at (org-get-tags (point) (not org-use-tag-inheritance))))
(when-let ((tags-at (org-ql--get-tags (point) (not org-use-tag-inheritance))))
(cl-typecase tags
(null t)
(otherwise (seq-intersection tags tags-at)))))