bug#62704: 30.0.50; treesit-install-language-grammar should accept an arg to indicate the installation path.

[Yuan Fu]

Nasy <nasyxx@gmail.com> writes:

> Hi,
>
> In treesit.el, the ~treesit-install-language-grammar~ function installs
> the grammar to the default path of
> ~treesit--install-language-grammar-1~, which is inconvenient for users
> who want to install the grammar to a custom path.  Adding an optional
> argument =PATH= to this function and changing the line below would be
> better.
>
>     (condition-case err
>         (apply #'treesit--install-language-grammar-1
>                ;; The nil is OUT-DIR.
> -               (cons nil recipe))
> +               (cons PATH recipe))
>       (error

Fair enough. I added a prompt at the end that asks for the target
directory. Please give it a try (I didn’t test it :-)

Yuan