[bug#70720] [PATCH 3/3] gnu: Add tree-sitter-erlang.

[Karl Hallsby]

* gnu/packages/tree-sitter.scm (tree-sitter-erlang): New variable.

Change-Id: I99cdde6418e04d4898f0f6509d2e7d849e2a4f22
---
 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 3863558883..c6e84bc85b 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
+  ;; Versions newer than 0.4.0 use tree-sitter 0.22.1
+  (let ((version "0.4.0") ; In Cargo.toml, but untagged
+        (commit "57e69513efd831f9cc8207d65d96bad917ca4aa4")
+        (revision "0"))
+  (tree-sitter-grammar
+   "erlang" "Erlang"
+   "1h0c9qc6i0kz5a0yq68xp623f84g4mc8hcp00khdbf7y7z7b9izc"
+   (git-version version revision commit)
+   #:repository-url "https://github.com/WhatsApp/tree-sitter-erlang";
+   #:commit commit)))
+
 (define-public tree-sitter-elm
   (tree-sitter-grammar
    "elm" "Elm"
-- 
2.41.0