Re: [PATCH] ob-tangle: Add flag to optionally remove files before writing

[Ihor Radchenko <yantar92@posteo.net>]

Olivier Lischer <olivier.lischer@liolin.ch> writes:

>> Thanks for the patch, but may you please explain why introducing such
>> variable is useful?
>
> Sure.
>
> I configure all my .dotfiles in an Org mode file and tangle the
> configuration in the right places. The tangled files are all
> read-only to prevent accidentally editing of the "right" configuration
> file. With the current tangling mechanism, this results in a "Permission
> denied" error because the function writes to a read-only file. In a
> earlier version this use case was possible because the file was
> recreated before writing to it.

Thanks for the explanation!

I suggest changing your patch, setting the default value of
`org-babel-tangle-remove-file-before-write' to 'auto.
This will keep the current behaviour but fall back to delete + write new
file when the tangle target is read-only.
That will avoid feature regression.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
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