Karl Hallsby via Guix-patches via <guix-patches@gnu.org> writes:

> * gnu/packages/tree-sitter.scm (tree-sitter-erlang): New variable.
>
> Change-Id: Ib1449549249816736bf30a1d419a23fd7a45570e
> ---
>  gnu/packages/tree-sitter.scm | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/gnu/packages/tree-sitter.scm b/gnu/packages/tree-sitter.scm
> index 42f311223e..dfe79496f9 100644
> --- a/gnu/packages/tree-sitter.scm
> +++ b/gnu/packages/tree-sitter.scm
> @@ -426,6 +426,18 @@ (define-public tree-sitter-dockerfile
>     "0.1.2"
>     #:repository-url "https://github.com/camdencheek/tree-sitter-dockerfile"))
>  
> +(define-public tree-sitter-erlang
> +  ;; This is an untagged release, for 0.4.0
> +  ;; Newer versions use tree-sitter 0.22.1
> +  (let ((commit "57e69513efd831f9cc8207d65d96bad917ca4aa4")
> +        (revision "0"))
> +  (tree-sitter-grammar
> +   "erlang" "Erlang"
> +   "1h0c9qc6i0kz5a0yq68xp623f84g4mc8hcp00khdbf7y7z7b9izc"
> +   (git-version "0.0.0" revision commit)

should "0.4.0"

> +   #:repository-url "https://github.com/WhatsApp/tree-sitter-erlang"
> +   #:commit commit)))
> +
>  (define-public tree-sitter-elm
>    (tree-sitter-grammar
>     "elm" "Elm"