Re: Tree-sitter introduction documentation

[Yuan Fu]

> On Dec 30, 2022, at 7:54 AM, Philip Kaludercic <philipk@posteo.net> wrote:
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
>>          (message "Cloning repository")
>>          ;; git clone xxx --depth 1 --quiet workdir
>>          (treesit--call-process-signal
>>           "git" nil t nil "clone" url "--depth" "1" "--quiet"
>>           workdir)
>> 
>> Why "--depth 1"?  This should be a defcustom, and the default should
>> be to clone the full repository, IMO.  Also, what about updating the
>> library when it is already installed, and the Git repository already
>> exists for it?  Or are we going to clone anew each time and them
>> remove the repository? that could make its cloning be slow in some
>> cases.
> 
> I have proposed just downloading a tarball.  GitHub provides these for
> each tag, and the tree-sitter developers appear to tag versions on a
> regular basis.  The file could then be downloaded via url.el instead of
> using Git.
> 
>  https://github.com/tree-sitter/tree-sitter-c/archive/refs/tags/v0.20.2.tar.gz

Not all language grammars would bother to make a release[1]. The fallback 
method better support as many cases as possible.

[1] https://github.com/elixir-lang/tree-sitter-elixir

Yuan