Re: Putting timestamp in CHANGELOG.org of modus-themes

[Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>]

irenezerafa via Users list for the GNU Emacs text editor wrote:

> Am using modus-themes for emacs, and at the end of
> modus-themes.el, there is the following code
>
> (provide 'modus-themes)
>
> ;; Local Variables:
> ;; time-stamp-pattern: "Last-Modified: <%Y-%02m-%02d %02H:%02M:%02S %5z>"
> ;; End:
>
> ;;; modus-themes.el ends here
>
> To insert the timestamp, I put (add-hook 'before-save-hook
> #'time-stamp) in the emacs init file,
>
> But I also need a way to synchronise the timestamp from modus-themes.el into the
> CHANGELOG.org. What can I do for the time stamp to be inserted.
>
> I would like to have after the line
>
> #+OPTIONS: ':nil toc:nil num:nil author:nil email:nil
>
> the following
>
> Copyright (C) 2019-2021 Free Software Foundation, Inc.
> Author: Protesilaos Stavrou <info@protesilaos.com
> URL: https://gitlab.com/protesilaos/modus-themes
> Version: 1.6.0
> Last-Modified: <2021-11-05 10:36:21 +0200
> Package-Requires: ((emacs "27.1"))
> Keywords: faces, theme, accessibility

Open the file in a buffer from Lisp, search for that line,
format your data, insert it into the buffer, save/write the
buffer to the file. Try to do each step interactively, when
all of it works put it together into one function and have the
hook call it.

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