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emacs: retangle org config when any generated file is stale

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This commit is contained in:
Ivan Malison
2026-02-10 22:42:50 -08:00
committed by Kat Huang
parent 1c461048d9
commit 7757fc1719
2 changed files with 24 additions and 6 deletions
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25
dotfiles/emacs.d/README.org
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@@ -2950,11 +2950,26 @@ My org-mode configuration now lives in its own file org-config.org.
#+BEGIN_SRC emacs-lisp
(let* ((org-config (expand-file-name "org-config.org" user-emacs-directory))
(org-config-el (expand-file-name "org-config.el" user-emacs-directory)))
(when (file-newer-than-file-p org-config org-config-el)
;; Tangle all outputs so org-config-bind.el/org-config-config.el are fresh.
(org-babel-tangle-file org-config)
(when (file-exists-p org-config-el)
(set-file-times org-config-el)))
(let* ((outputs (mapcar (lambda (f) (expand-file-name f user-emacs-directory))
'("org-config.el"
"org-config-preface.el"
"org-config-custom.el"
"org-config-bind.el"
"org-config-config.el")))
(needs-tangle nil))
;; Tangle if any output is missing or stale. This is more robust than only
;; checking org-config.el, since tangling can update some outputs without
;; touching org-config.el's contents.
(dolist (f outputs)
(when (or (not (file-exists-p f))
(file-newer-than-file-p org-config f))
(setq needs-tangle t)))
(when needs-tangle
(org-babel-tangle-file org-config)
;; Prevent re-tangling on every startup when files are unchanged.
(dolist (f outputs)
(when (file-exists-p f)
(set-file-times f)))))
(load-file org-config-el))
#+END_SRC
*** TeX

5
dotfiles/emacs.d/org-config.org
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@@ -1,3 +1,5 @@
#+PROPERTY: header-args:emacs-lisp :tangle org-config-config.el
* include-file-as-forms
We're going to use this to write separate parts of our config to different sections that will then be provided to our use package statment
#+begin_src emacs-lisp :tangle org-config.el
@@ -775,7 +777,8 @@ SCHEDULED: %^t
'org-babel-load-languages '((mermaid . t))))
#+end_src
** frame-mode handling
Note that this does not go into org-config-config.el. This is on purpose
This block is part of the runtime config. It is tangled via the default
`header-args:emacs-lisp` for this file (see the `#+PROPERTY` near the top).
#+begin_src emacs-lisp
(use-package org
:ensure nil